Move mn88472 DVB-T/T2/C demod driver out of staging to media.

Signed-off-by: Antti Palosaari <cr...@iki.fi>
---
 drivers/media/dvb-frontends/Kconfig          |   8 +
 drivers/media/dvb-frontends/Makefile         |   1 +
 drivers/media/dvb-frontends/mn88472.c        | 607 +++++++++++++++++++++++++++
 drivers/media/dvb-frontends/mn88472_priv.h   |  38 ++
 drivers/staging/media/mn88472/Kconfig        |   7 -
 drivers/staging/media/mn88472/Makefile       |   5 -
 drivers/staging/media/mn88472/TODO           |  21 -
 drivers/staging/media/mn88472/mn88472.c      | 607 ---------------------------
 drivers/staging/media/mn88472/mn88472_priv.h |  38 --
 9 files changed, 654 insertions(+), 678 deletions(-)
 create mode 100644 drivers/media/dvb-frontends/mn88472.c
 create mode 100644 drivers/media/dvb-frontends/mn88472_priv.h
 delete mode 100644 drivers/staging/media/mn88472/Kconfig
 delete mode 100644 drivers/staging/media/mn88472/Makefile
 delete mode 100644 drivers/staging/media/mn88472/TODO
 delete mode 100644 drivers/staging/media/mn88472/mn88472.c
 delete mode 100644 drivers/staging/media/mn88472/mn88472_priv.h

diff --git a/drivers/media/dvb-frontends/Kconfig 
b/drivers/media/dvb-frontends/Kconfig
index a82f77c..293e7bb 100644
--- a/drivers/media/dvb-frontends/Kconfig
+++ b/drivers/media/dvb-frontends/Kconfig
@@ -73,6 +73,14 @@ config DVB_SI2165
 
          Say Y when you want to support this frontend.
 
+config DVB_MN88472
+       tristate "Panasonic MN88472"
+       depends on DVB_CORE && I2C
+       select REGMAP_I2C
+       default m if !MEDIA_SUBDRV_AUTOSELECT
+       help
+         Say Y when you want to support this frontend.
+
 config DVB_MN88473
        tristate "Panasonic MN88473"
        depends on DVB_CORE && I2C
diff --git a/drivers/media/dvb-frontends/Makefile 
b/drivers/media/dvb-frontends/Makefile
index eb7191f..68f6065 100644
--- a/drivers/media/dvb-frontends/Makefile
+++ b/drivers/media/dvb-frontends/Makefile
@@ -95,6 +95,7 @@ obj-$(CONFIG_DVB_STV0900) += stv0900.o
 obj-$(CONFIG_DVB_STV090x) += stv090x.o
 obj-$(CONFIG_DVB_STV6110x) += stv6110x.o
 obj-$(CONFIG_DVB_M88DS3103) += m88ds3103.o
+obj-$(CONFIG_DVB_MN88472) += mn88472.o
 obj-$(CONFIG_DVB_MN88473) += mn88473.o
 obj-$(CONFIG_DVB_ISL6423) += isl6423.o
 obj-$(CONFIG_DVB_EC100) += ec100.o
diff --git a/drivers/media/dvb-frontends/mn88472.c 
b/drivers/media/dvb-frontends/mn88472.c
new file mode 100644
index 0000000..b04a71f
--- /dev/null
+++ b/drivers/media/dvb-frontends/mn88472.c
@@ -0,0 +1,607 @@
+/*
+ * Panasonic MN88472 DVB-T/T2/C demodulator driver
+ *
+ * Copyright (C) 2013 Antti Palosaari <cr...@iki.fi>
+ *
+ *    This program is free software; you can redistribute it and/or modify
+ *    it under the terms of the GNU General Public License as published by
+ *    the Free Software Foundation; either version 2 of the License, or
+ *    (at your option) any later version.
+ *
+ *    This program is distributed in the hope that it will be useful,
+ *    but WITHOUT ANY WARRANTY; without even the implied warranty of
+ *    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ *    GNU General Public License for more details.
+ */
+
+#include "mn88472_priv.h"
+
+static int mn88472_get_tune_settings(struct dvb_frontend *fe,
+                                    struct dvb_frontend_tune_settings *s)
+{
+       s->min_delay_ms = 1000;
+       return 0;
+}
+
+static int mn88472_read_status(struct dvb_frontend *fe, enum fe_status *status)
+{
+       struct i2c_client *client = fe->demodulator_priv;
+       struct mn88472_dev *dev = i2c_get_clientdata(client);
+       struct dtv_frontend_properties *c = &fe->dtv_property_cache;
+       int ret;
+       unsigned int utmp;
+
+       if (!dev->active) {
+               ret = -EAGAIN;
+               goto err;
+       }
+
+       switch (c->delivery_system) {
+       case SYS_DVBT:
+               ret = regmap_read(dev->regmap[0], 0x7f, &utmp);
+               if (ret)
+                       goto err;
+               if ((utmp & 0x0f) >= 0x09)
+                       *status = FE_HAS_SIGNAL | FE_HAS_CARRIER |
+                                 FE_HAS_VITERBI | FE_HAS_SYNC | FE_HAS_LOCK;
+               else
+                       *status = 0;
+               break;
+       case SYS_DVBT2:
+               ret = regmap_read(dev->regmap[2], 0x92, &utmp);
+               if (ret)
+                       goto err;
+               if ((utmp & 0x0f) >= 0x0d)
+                       *status = FE_HAS_SIGNAL | FE_HAS_CARRIER |
+                                 FE_HAS_VITERBI | FE_HAS_SYNC | FE_HAS_LOCK;
+               else if ((utmp & 0x0f) >= 0x0a)
+                       *status = FE_HAS_SIGNAL | FE_HAS_CARRIER |
+                                 FE_HAS_VITERBI;
+               else if ((utmp & 0x0f) >= 0x07)
+                       *status = FE_HAS_SIGNAL | FE_HAS_CARRIER;
+               else
+                       *status = 0;
+               break;
+       case SYS_DVBC_ANNEX_A:
+               ret = regmap_read(dev->regmap[1], 0x84, &utmp);
+               if (ret)
+                       goto err;
+               if ((utmp & 0x0f) >= 0x08)
+                       *status = FE_HAS_SIGNAL | FE_HAS_CARRIER |
+                                 FE_HAS_VITERBI | FE_HAS_SYNC | FE_HAS_LOCK;
+               else
+                       *status = 0;
+               break;
+       default:
+               ret = -EINVAL;
+               goto err;
+       }
+
+       return 0;
+err:
+       dev_dbg(&client->dev, "failed=%d\n", ret);
+       return ret;
+}
+
+static int mn88472_set_frontend(struct dvb_frontend *fe)
+{
+       struct i2c_client *client = fe->demodulator_priv;
+       struct mn88472_dev *dev = i2c_get_clientdata(client);
+       struct dtv_frontend_properties *c = &fe->dtv_property_cache;
+       int ret, i;
+       unsigned int utmp;
+       u32 if_frequency;
+       u8 buf[3], delivery_system_val, bandwidth_val, *bandwidth_vals_ptr;
+       u8 reg_bank0_b4_val, reg_bank0_cd_val, reg_bank0_d4_val;
+       u8 reg_bank0_d6_val;
+
+       dev_dbg(&client->dev,
+               "delivery_system=%u modulation=%u frequency=%u bandwidth_hz=%u 
symbol_rate=%u inversion=%d stream_id=%d\n",
+               c->delivery_system, c->modulation, c->frequency,
+               c->bandwidth_hz, c->symbol_rate, c->inversion, c->stream_id);
+
+       if (!dev->active) {
+               ret = -EAGAIN;
+               goto err;
+       }
+
+       switch (c->delivery_system) {
+       case SYS_DVBT:
+               delivery_system_val = 0x02;
+               reg_bank0_b4_val = 0x00;
+               reg_bank0_cd_val = 0x1f;
+               reg_bank0_d4_val = 0x0a;
+               reg_bank0_d6_val = 0x48;
+               break;
+       case SYS_DVBT2:
+               delivery_system_val = 0x03;
+               reg_bank0_b4_val = 0xf6;
+               reg_bank0_cd_val = 0x01;
+               reg_bank0_d4_val = 0x09;
+               reg_bank0_d6_val = 0x46;
+               break;
+       case SYS_DVBC_ANNEX_A:
+               delivery_system_val = 0x04;
+               reg_bank0_b4_val = 0x00;
+               reg_bank0_cd_val = 0x17;
+               reg_bank0_d4_val = 0x09;
+               reg_bank0_d6_val = 0x48;
+               break;
+       default:
+               ret = -EINVAL;
+               goto err;
+       }
+
+       switch (c->delivery_system) {
+       case SYS_DVBT:
+       case SYS_DVBT2:
+               switch (c->bandwidth_hz) {
+               case 5000000:
+                       bandwidth_vals_ptr = "\xe5\x99\x9a\x1b\xa9\x1b\xa9";
+                       bandwidth_val = 0x03;
+                       break;
+               case 6000000:
+                       bandwidth_vals_ptr = "\xbf\x55\x55\x15\x6b\x15\x6b";
+                       bandwidth_val = 0x02;
+                       break;
+               case 7000000:
+                       bandwidth_vals_ptr = "\xa4\x00\x00\x0f\x2c\x0f\x2c";
+                       bandwidth_val = 0x01;
+                       break;
+               case 8000000:
+                       bandwidth_vals_ptr = "\x8f\x80\x00\x08\xee\x08\xee";
+                       bandwidth_val = 0x00;
+                       break;
+               default:
+                       ret = -EINVAL;
+                       goto err;
+               }
+               break;
+       case SYS_DVBC_ANNEX_A:
+               bandwidth_vals_ptr = NULL;
+               bandwidth_val = 0x00;
+               break;
+       default:
+               break;
+       }
+
+       /* Program tuner */
+       if (fe->ops.tuner_ops.set_params) {
+               ret = fe->ops.tuner_ops.set_params(fe);
+               if (ret)
+                       goto err;
+       }
+
+       if (fe->ops.tuner_ops.get_if_frequency) {
+               ret = fe->ops.tuner_ops.get_if_frequency(fe, &if_frequency);
+               if (ret)
+                       goto err;
+
+               dev_dbg(&client->dev, "get_if_frequency=%d\n", if_frequency);
+       } else {
+               ret = -EINVAL;
+               goto err;
+       }
+
+       ret = regmap_write(dev->regmap[2], 0x00, 0x66);
+       if (ret)
+               goto err;
+       ret = regmap_write(dev->regmap[2], 0x01, 0x00);
+       if (ret)
+               goto err;
+       ret = regmap_write(dev->regmap[2], 0x02, 0x01);
+       if (ret)
+               goto err;
+       ret = regmap_write(dev->regmap[2], 0x03, delivery_system_val);
+       if (ret)
+               goto err;
+       ret = regmap_write(dev->regmap[2], 0x04, bandwidth_val);
+       if (ret)
+               goto err;
+
+       /* IF */
+       utmp = DIV_ROUND_CLOSEST_ULL((u64)if_frequency * 0x1000000, dev->clk);
+       buf[0] = (utmp >> 16) & 0xff;
+       buf[1] = (utmp >>  8) & 0xff;
+       buf[2] = (utmp >>  0) & 0xff;
+       for (i = 0; i < 3; i++) {
+               ret = regmap_write(dev->regmap[2], 0x10 + i, buf[i]);
+               if (ret)
+                       goto err;
+       }
+
+       /* Bandwidth */
+       if (bandwidth_vals_ptr) {
+               for (i = 0; i < 7; i++) {
+                       ret = regmap_write(dev->regmap[2], 0x13 + i,
+                                          bandwidth_vals_ptr[i]);
+                       if (ret)
+                               goto err;
+               }
+       }
+
+       ret = regmap_write(dev->regmap[0], 0xb4, reg_bank0_b4_val);
+       if (ret)
+               goto err;
+       ret = regmap_write(dev->regmap[0], 0xcd, reg_bank0_cd_val);
+       if (ret)
+               goto err;
+       ret = regmap_write(dev->regmap[0], 0xd4, reg_bank0_d4_val);
+       if (ret)
+               goto err;
+       ret = regmap_write(dev->regmap[0], 0xd6, reg_bank0_d6_val);
+       if (ret)
+               goto err;
+
+       switch (c->delivery_system) {
+       case SYS_DVBT:
+               ret = regmap_write(dev->regmap[0], 0x07, 0x26);
+               if (ret)
+                       goto err;
+               ret = regmap_write(dev->regmap[0], 0x00, 0xba);
+               if (ret)
+                       goto err;
+               ret = regmap_write(dev->regmap[0], 0x01, 0x13);
+               if (ret)
+                       goto err;
+               break;
+       case SYS_DVBT2:
+               ret = regmap_write(dev->regmap[2], 0x2b, 0x13);
+               if (ret)
+                       goto err;
+               ret = regmap_write(dev->regmap[2], 0x4f, 0x05);
+               if (ret)
+                       goto err;
+               ret = regmap_write(dev->regmap[1], 0xf6, 0x05);
+               if (ret)
+                       goto err;
+               ret = regmap_write(dev->regmap[2], 0x32, c->stream_id);
+               if (ret)
+                       goto err;
+               break;
+       case SYS_DVBC_ANNEX_A:
+               break;
+       default:
+               break;
+       }
+
+       /* Reset FSM */
+       ret = regmap_write(dev->regmap[2], 0xf8, 0x9f);
+       if (ret)
+               goto err;
+
+       return 0;
+err:
+       dev_dbg(&client->dev, "failed=%d\n", ret);
+       return ret;
+}
+
+static int mn88472_init(struct dvb_frontend *fe)
+{
+       struct i2c_client *client = fe->demodulator_priv;
+       struct mn88472_dev *dev = i2c_get_clientdata(client);
+       int ret, len, rem;
+       unsigned int utmp;
+       const struct firmware *firmware;
+       const char *name = MN88472_FIRMWARE;
+
+       dev_dbg(&client->dev, "\n");
+
+       /* Power up */
+       ret = regmap_write(dev->regmap[2], 0x05, 0x00);
+       if (ret)
+               goto err;
+       ret = regmap_write(dev->regmap[2], 0x0b, 0x00);
+       if (ret)
+               goto err;
+       ret = regmap_write(dev->regmap[2], 0x0c, 0x00);
+       if (ret)
+               goto err;
+
+       /* Check if firmware is already running */
+       ret = regmap_read(dev->regmap[0], 0xf5, &utmp);
+       if (ret)
+               goto err;
+       if (!(utmp & 0x01))
+               goto warm;
+
+       ret = request_firmware(&firmware, name, &client->dev);
+       if (ret) {
+               dev_err(&client->dev, "firmare file '%s' not found\n", name);
+               goto err;
+       }
+
+       dev_info(&client->dev, "downloading firmware from file '%s'\n", name);
+
+       ret = regmap_write(dev->regmap[0], 0xf5, 0x03);
+       if (ret)
+               goto err_release_firmware;
+
+       for (rem = firmware->size; rem > 0; rem -= (dev->i2c_write_max - 1)) {
+               len = min(dev->i2c_write_max - 1, rem);
+               ret = regmap_bulk_write(dev->regmap[0], 0xf6,
+                                       &firmware->data[firmware->size - rem],
+                                       len);
+               if (ret) {
+                       dev_err(&client->dev, "firmware download failed %d\n",
+                               ret);
+                       goto err_release_firmware;
+               }
+       }
+
+       /* Parity check of firmware */
+       ret = regmap_read(dev->regmap[0], 0xf8, &utmp);
+       if (ret)
+               goto err_release_firmware;
+       if (utmp & 0x10) {
+               ret = -EINVAL;
+               dev_err(&client->dev, "firmware did not run\n");
+               goto err_release_firmware;
+       }
+
+       ret = regmap_write(dev->regmap[0], 0xf5, 0x00);
+       if (ret)
+               goto err_release_firmware;
+
+       release_firmware(firmware);
+warm:
+       /* TS config */
+       switch (dev->ts_mode) {
+       case SERIAL_TS_MODE:
+               ret = regmap_write(dev->regmap[2], 0x08, 0x1d);
+               break;
+       case PARALLEL_TS_MODE:
+               ret = regmap_write(dev->regmap[2], 0x08, 0x00);
+               break;
+       default:
+               ret = -EINVAL;
+               goto err;
+       }
+
+       switch (dev->ts_clk) {
+       case VARIABLE_TS_CLOCK:
+               ret = regmap_write(dev->regmap[0], 0xd9, 0xe3);
+               break;
+       case FIXED_TS_CLOCK:
+               ret = regmap_write(dev->regmap[0], 0xd9, 0xe1);
+               break;
+       default:
+               ret = -EINVAL;
+               goto err;
+       }
+
+       dev->active = true;
+
+       return 0;
+err_release_firmware:
+       release_firmware(firmware);
+err:
+       dev_dbg(&client->dev, "failed=%d\n", ret);
+       return ret;
+}
+
+static int mn88472_sleep(struct dvb_frontend *fe)
+{
+       struct i2c_client *client = fe->demodulator_priv;
+       struct mn88472_dev *dev = i2c_get_clientdata(client);
+       int ret;
+
+       dev_dbg(&client->dev, "\n");
+
+       /* Power down */
+       ret = regmap_write(dev->regmap[2], 0x0c, 0x30);
+       if (ret)
+               goto err;
+       ret = regmap_write(dev->regmap[2], 0x0b, 0x30);
+       if (ret)
+               goto err;
+       ret = regmap_write(dev->regmap[2], 0x05, 0x3e);
+       if (ret)
+               goto err;
+
+       return 0;
+err:
+       dev_dbg(&client->dev, "failed=%d\n", ret);
+       return ret;
+}
+
+static struct dvb_frontend_ops mn88472_ops = {
+       .delsys = {SYS_DVBT, SYS_DVBT2, SYS_DVBC_ANNEX_A},
+       .info = {
+               .name = "Panasonic MN88472",
+               .symbol_rate_min = 1000000,
+               .symbol_rate_max = 7200000,
+               .caps = FE_CAN_FEC_1_2                 |
+                       FE_CAN_FEC_2_3                 |
+                       FE_CAN_FEC_3_4                 |
+                       FE_CAN_FEC_5_6                 |
+                       FE_CAN_FEC_7_8                 |
+                       FE_CAN_FEC_AUTO                |
+                       FE_CAN_QPSK                    |
+                       FE_CAN_QAM_16                  |
+                       FE_CAN_QAM_32                  |
+                       FE_CAN_QAM_64                  |
+                       FE_CAN_QAM_128                 |
+                       FE_CAN_QAM_256                 |
+                       FE_CAN_QAM_AUTO                |
+                       FE_CAN_TRANSMISSION_MODE_AUTO  |
+                       FE_CAN_GUARD_INTERVAL_AUTO     |
+                       FE_CAN_HIERARCHY_AUTO          |
+                       FE_CAN_MUTE_TS                 |
+                       FE_CAN_2G_MODULATION           |
+                       FE_CAN_MULTISTREAM
+       },
+
+       .get_tune_settings = mn88472_get_tune_settings,
+
+       .init = mn88472_init,
+       .sleep = mn88472_sleep,
+
+       .set_frontend = mn88472_set_frontend,
+
+       .read_status = mn88472_read_status,
+};
+
+static struct dvb_frontend *mn88472_get_dvb_frontend(struct i2c_client *client)
+{
+       struct mn88472_dev *dev = i2c_get_clientdata(client);
+
+       dev_dbg(&client->dev, "\n");
+
+       return &dev->fe;
+}
+
+static int mn88472_probe(struct i2c_client *client,
+                        const struct i2c_device_id *id)
+{
+       struct mn88472_config *pdata = client->dev.platform_data;
+       struct mn88472_dev *dev;
+       int ret;
+       unsigned int utmp;
+       static const struct regmap_config regmap_config = {
+               .reg_bits = 8,
+               .val_bits = 8,
+       };
+
+       dev_dbg(&client->dev, "\n");
+
+       dev = kzalloc(sizeof(*dev), GFP_KERNEL);
+       if (!dev) {
+               ret = -ENOMEM;
+               goto err;
+       }
+
+       dev->i2c_write_max = pdata->i2c_wr_max ? pdata->i2c_wr_max : ~0;
+       dev->clk = pdata->xtal;
+       dev->ts_mode = pdata->ts_mode;
+       dev->ts_clk = pdata->ts_clock;
+       dev->client[0] = client;
+       dev->regmap[0] = regmap_init_i2c(dev->client[0], &regmap_config);
+       if (IS_ERR(dev->regmap[0])) {
+               ret = PTR_ERR(dev->regmap[0]);
+               goto err_kfree;
+       }
+
+       /* Check demod answers with correct chip id */
+       ret = regmap_read(dev->regmap[0], 0xff, &utmp);
+       if (ret)
+               goto err_regmap_0_regmap_exit;
+
+       dev_dbg(&client->dev, "chip id=%02x\n", utmp);
+
+       if (utmp != 0x02) {
+               ret = -ENODEV;
+               goto err_regmap_0_regmap_exit;
+       }
+
+       /*
+        * Chip has three I2C addresses for different register banks. Used
+        * addresses are 0x18, 0x1a and 0x1c. We register two dummy clients,
+        * 0x1a and 0x1c, in order to get own I2C client for each register bank.
+        *
+        * Also, register bank 2 do not support sequential I/O. Only single
+        * register write or read is allowed to that bank.
+        */
+       dev->client[1] = i2c_new_dummy(client->adapter, 0x1a);
+       if (!dev->client[1]) {
+               ret = -ENODEV;
+               dev_err(&client->dev, "I2C registration failed\n");
+               if (ret)
+                       goto err_regmap_0_regmap_exit;
+       }
+       dev->regmap[1] = regmap_init_i2c(dev->client[1], &regmap_config);
+       if (IS_ERR(dev->regmap[1])) {
+               ret = PTR_ERR(dev->regmap[1]);
+               goto err_client_1_i2c_unregister_device;
+       }
+       i2c_set_clientdata(dev->client[1], dev);
+
+       dev->client[2] = i2c_new_dummy(client->adapter, 0x1c);
+       if (!dev->client[2]) {
+               ret = -ENODEV;
+               dev_err(&client->dev, "2nd I2C registration failed\n");
+               if (ret)
+                       goto err_regmap_1_regmap_exit;
+       }
+       dev->regmap[2] = regmap_init_i2c(dev->client[2], &regmap_config);
+       if (IS_ERR(dev->regmap[2])) {
+               ret = PTR_ERR(dev->regmap[2]);
+               goto err_client_2_i2c_unregister_device;
+       }
+       i2c_set_clientdata(dev->client[2], dev);
+
+       /* Sleep because chip is active by default */
+       ret = regmap_write(dev->regmap[2], 0x05, 0x3e);
+       if (ret)
+               goto err_regmap_2_regmap_exit;
+
+       /* Create dvb frontend */
+       memcpy(&dev->fe.ops, &mn88472_ops, sizeof(struct dvb_frontend_ops));
+       dev->fe.demodulator_priv = client;
+       *pdata->fe = &dev->fe;
+       i2c_set_clientdata(client, dev);
+
+       /* Setup callbacks */
+       pdata->get_dvb_frontend = mn88472_get_dvb_frontend;
+
+       dev_info(&client->dev, "Panasonic MN88472 successfully identified\n");
+
+       return 0;
+err_regmap_2_regmap_exit:
+       regmap_exit(dev->regmap[2]);
+err_client_2_i2c_unregister_device:
+       i2c_unregister_device(dev->client[2]);
+err_regmap_1_regmap_exit:
+       regmap_exit(dev->regmap[1]);
+err_client_1_i2c_unregister_device:
+       i2c_unregister_device(dev->client[1]);
+err_regmap_0_regmap_exit:
+       regmap_exit(dev->regmap[0]);
+err_kfree:
+       kfree(dev);
+err:
+       dev_dbg(&client->dev, "failed=%d\n", ret);
+       return ret;
+}
+
+static int mn88472_remove(struct i2c_client *client)
+{
+       struct mn88472_dev *dev = i2c_get_clientdata(client);
+
+       dev_dbg(&client->dev, "\n");
+
+       regmap_exit(dev->regmap[2]);
+       i2c_unregister_device(dev->client[2]);
+
+       regmap_exit(dev->regmap[1]);
+       i2c_unregister_device(dev->client[1]);
+
+       regmap_exit(dev->regmap[0]);
+
+       kfree(dev);
+
+       return 0;
+}
+
+static const struct i2c_device_id mn88472_id_table[] = {
+       {"mn88472", 0},
+       {}
+};
+MODULE_DEVICE_TABLE(i2c, mn88472_id_table);
+
+static struct i2c_driver mn88472_driver = {
+       .driver = {
+               .name = "mn88472",
+               .suppress_bind_attrs = true,
+       },
+       .probe    = mn88472_probe,
+       .remove   = mn88472_remove,
+       .id_table = mn88472_id_table,
+};
+
+module_i2c_driver(mn88472_driver);
+
+MODULE_AUTHOR("Antti Palosaari <cr...@iki.fi>");
+MODULE_DESCRIPTION("Panasonic MN88472 DVB-T/T2/C demodulator driver");
+MODULE_LICENSE("GPL");
+MODULE_FIRMWARE(MN88472_FIRMWARE);
diff --git a/drivers/media/dvb-frontends/mn88472_priv.h 
b/drivers/media/dvb-frontends/mn88472_priv.h
new file mode 100644
index 0000000..cdf2597
--- /dev/null
+++ b/drivers/media/dvb-frontends/mn88472_priv.h
@@ -0,0 +1,38 @@
+/*
+ * Panasonic MN88472 DVB-T/T2/C demodulator driver
+ *
+ * Copyright (C) 2013 Antti Palosaari <cr...@iki.fi>
+ *
+ *    This program is free software; you can redistribute it and/or modify
+ *    it under the terms of the GNU General Public License as published by
+ *    the Free Software Foundation; either version 2 of the License, or
+ *    (at your option) any later version.
+ *
+ *    This program is distributed in the hope that it will be useful,
+ *    but WITHOUT ANY WARRANTY; without even the implied warranty of
+ *    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ *    GNU General Public License for more details.
+ */
+
+#ifndef MN88472_PRIV_H
+#define MN88472_PRIV_H
+
+#include "dvb_frontend.h"
+#include "mn88472.h"
+#include <linux/firmware.h>
+#include <linux/regmap.h>
+
+#define MN88472_FIRMWARE "dvb-demod-mn88472-02.fw"
+
+struct mn88472_dev {
+       struct i2c_client *client[3];
+       struct regmap *regmap[3];
+       struct dvb_frontend fe;
+       u16 i2c_write_max;
+       unsigned int clk;
+       unsigned int active:1;
+       unsigned int ts_mode:1;
+       unsigned int ts_clk:1;
+};
+
+#endif
diff --git a/drivers/staging/media/mn88472/Kconfig 
b/drivers/staging/media/mn88472/Kconfig
deleted file mode 100644
index a85c90a..0000000
--- a/drivers/staging/media/mn88472/Kconfig
+++ /dev/null
@@ -1,7 +0,0 @@
-config DVB_MN88472
-       tristate "Panasonic MN88472"
-       depends on DVB_CORE && I2C
-       select REGMAP_I2C
-       default m if !MEDIA_SUBDRV_AUTOSELECT
-       help
-         Say Y when you want to support this frontend.
diff --git a/drivers/staging/media/mn88472/Makefile 
b/drivers/staging/media/mn88472/Makefile
deleted file mode 100644
index 5987b7e..0000000
--- a/drivers/staging/media/mn88472/Makefile
+++ /dev/null
@@ -1,5 +0,0 @@
-obj-$(CONFIG_DVB_MN88472) += mn88472.o
-
-ccflags-y += -Idrivers/media/dvb-core/
-ccflags-y += -Idrivers/media/dvb-frontends/
-ccflags-y += -Idrivers/media/tuners/
diff --git a/drivers/staging/media/mn88472/TODO 
b/drivers/staging/media/mn88472/TODO
deleted file mode 100644
index b90a14b..0000000
--- a/drivers/staging/media/mn88472/TODO
+++ /dev/null
@@ -1,21 +0,0 @@
-Driver general quality is not good enough for mainline. Also, other
-device drivers (USB-bridge, tuner) needed for Astrometa receiver in
-question could need some changes. However, if that driver is mainlined
-due to some other device than Astrometa, unrelated TODOs could be
-skipped. In that case rtl28xxu driver needs module parameter to prevent
-driver loading.
-
-Required TODOs:
-* missing lock flags
-* I2C errors
-* tuner sensitivity
-
-*Do not* send any patch fixing checkpatch.pl issues. Currently it passes
-checkpatch.pl tests. I don't want waste my time to review this kind of
-trivial stuff. *Do not* add missing register I/O error checks. Those are
-missing for the reason it is much easier to compare I2C data sniffs when
-there is less lines. Those error checks are about the last thing to be added.
-
-Patches should be submitted to:
-linux-media@vger.kernel.org and Antti Palosaari <cr...@iki.fi>
-
diff --git a/drivers/staging/media/mn88472/mn88472.c 
b/drivers/staging/media/mn88472/mn88472.c
deleted file mode 100644
index b04a71f..0000000
--- a/drivers/staging/media/mn88472/mn88472.c
+++ /dev/null
@@ -1,607 +0,0 @@
-/*
- * Panasonic MN88472 DVB-T/T2/C demodulator driver
- *
- * Copyright (C) 2013 Antti Palosaari <cr...@iki.fi>
- *
- *    This program is free software; you can redistribute it and/or modify
- *    it under the terms of the GNU General Public License as published by
- *    the Free Software Foundation; either version 2 of the License, or
- *    (at your option) any later version.
- *
- *    This program is distributed in the hope that it will be useful,
- *    but WITHOUT ANY WARRANTY; without even the implied warranty of
- *    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
- *    GNU General Public License for more details.
- */
-
-#include "mn88472_priv.h"
-
-static int mn88472_get_tune_settings(struct dvb_frontend *fe,
-                                    struct dvb_frontend_tune_settings *s)
-{
-       s->min_delay_ms = 1000;
-       return 0;
-}
-
-static int mn88472_read_status(struct dvb_frontend *fe, enum fe_status *status)
-{
-       struct i2c_client *client = fe->demodulator_priv;
-       struct mn88472_dev *dev = i2c_get_clientdata(client);
-       struct dtv_frontend_properties *c = &fe->dtv_property_cache;
-       int ret;
-       unsigned int utmp;
-
-       if (!dev->active) {
-               ret = -EAGAIN;
-               goto err;
-       }
-
-       switch (c->delivery_system) {
-       case SYS_DVBT:
-               ret = regmap_read(dev->regmap[0], 0x7f, &utmp);
-               if (ret)
-                       goto err;
-               if ((utmp & 0x0f) >= 0x09)
-                       *status = FE_HAS_SIGNAL | FE_HAS_CARRIER |
-                                 FE_HAS_VITERBI | FE_HAS_SYNC | FE_HAS_LOCK;
-               else
-                       *status = 0;
-               break;
-       case SYS_DVBT2:
-               ret = regmap_read(dev->regmap[2], 0x92, &utmp);
-               if (ret)
-                       goto err;
-               if ((utmp & 0x0f) >= 0x0d)
-                       *status = FE_HAS_SIGNAL | FE_HAS_CARRIER |
-                                 FE_HAS_VITERBI | FE_HAS_SYNC | FE_HAS_LOCK;
-               else if ((utmp & 0x0f) >= 0x0a)
-                       *status = FE_HAS_SIGNAL | FE_HAS_CARRIER |
-                                 FE_HAS_VITERBI;
-               else if ((utmp & 0x0f) >= 0x07)
-                       *status = FE_HAS_SIGNAL | FE_HAS_CARRIER;
-               else
-                       *status = 0;
-               break;
-       case SYS_DVBC_ANNEX_A:
-               ret = regmap_read(dev->regmap[1], 0x84, &utmp);
-               if (ret)
-                       goto err;
-               if ((utmp & 0x0f) >= 0x08)
-                       *status = FE_HAS_SIGNAL | FE_HAS_CARRIER |
-                                 FE_HAS_VITERBI | FE_HAS_SYNC | FE_HAS_LOCK;
-               else
-                       *status = 0;
-               break;
-       default:
-               ret = -EINVAL;
-               goto err;
-       }
-
-       return 0;
-err:
-       dev_dbg(&client->dev, "failed=%d\n", ret);
-       return ret;
-}
-
-static int mn88472_set_frontend(struct dvb_frontend *fe)
-{
-       struct i2c_client *client = fe->demodulator_priv;
-       struct mn88472_dev *dev = i2c_get_clientdata(client);
-       struct dtv_frontend_properties *c = &fe->dtv_property_cache;
-       int ret, i;
-       unsigned int utmp;
-       u32 if_frequency;
-       u8 buf[3], delivery_system_val, bandwidth_val, *bandwidth_vals_ptr;
-       u8 reg_bank0_b4_val, reg_bank0_cd_val, reg_bank0_d4_val;
-       u8 reg_bank0_d6_val;
-
-       dev_dbg(&client->dev,
-               "delivery_system=%u modulation=%u frequency=%u bandwidth_hz=%u 
symbol_rate=%u inversion=%d stream_id=%d\n",
-               c->delivery_system, c->modulation, c->frequency,
-               c->bandwidth_hz, c->symbol_rate, c->inversion, c->stream_id);
-
-       if (!dev->active) {
-               ret = -EAGAIN;
-               goto err;
-       }
-
-       switch (c->delivery_system) {
-       case SYS_DVBT:
-               delivery_system_val = 0x02;
-               reg_bank0_b4_val = 0x00;
-               reg_bank0_cd_val = 0x1f;
-               reg_bank0_d4_val = 0x0a;
-               reg_bank0_d6_val = 0x48;
-               break;
-       case SYS_DVBT2:
-               delivery_system_val = 0x03;
-               reg_bank0_b4_val = 0xf6;
-               reg_bank0_cd_val = 0x01;
-               reg_bank0_d4_val = 0x09;
-               reg_bank0_d6_val = 0x46;
-               break;
-       case SYS_DVBC_ANNEX_A:
-               delivery_system_val = 0x04;
-               reg_bank0_b4_val = 0x00;
-               reg_bank0_cd_val = 0x17;
-               reg_bank0_d4_val = 0x09;
-               reg_bank0_d6_val = 0x48;
-               break;
-       default:
-               ret = -EINVAL;
-               goto err;
-       }
-
-       switch (c->delivery_system) {
-       case SYS_DVBT:
-       case SYS_DVBT2:
-               switch (c->bandwidth_hz) {
-               case 5000000:
-                       bandwidth_vals_ptr = "\xe5\x99\x9a\x1b\xa9\x1b\xa9";
-                       bandwidth_val = 0x03;
-                       break;
-               case 6000000:
-                       bandwidth_vals_ptr = "\xbf\x55\x55\x15\x6b\x15\x6b";
-                       bandwidth_val = 0x02;
-                       break;
-               case 7000000:
-                       bandwidth_vals_ptr = "\xa4\x00\x00\x0f\x2c\x0f\x2c";
-                       bandwidth_val = 0x01;
-                       break;
-               case 8000000:
-                       bandwidth_vals_ptr = "\x8f\x80\x00\x08\xee\x08\xee";
-                       bandwidth_val = 0x00;
-                       break;
-               default:
-                       ret = -EINVAL;
-                       goto err;
-               }
-               break;
-       case SYS_DVBC_ANNEX_A:
-               bandwidth_vals_ptr = NULL;
-               bandwidth_val = 0x00;
-               break;
-       default:
-               break;
-       }
-
-       /* Program tuner */
-       if (fe->ops.tuner_ops.set_params) {
-               ret = fe->ops.tuner_ops.set_params(fe);
-               if (ret)
-                       goto err;
-       }
-
-       if (fe->ops.tuner_ops.get_if_frequency) {
-               ret = fe->ops.tuner_ops.get_if_frequency(fe, &if_frequency);
-               if (ret)
-                       goto err;
-
-               dev_dbg(&client->dev, "get_if_frequency=%d\n", if_frequency);
-       } else {
-               ret = -EINVAL;
-               goto err;
-       }
-
-       ret = regmap_write(dev->regmap[2], 0x00, 0x66);
-       if (ret)
-               goto err;
-       ret = regmap_write(dev->regmap[2], 0x01, 0x00);
-       if (ret)
-               goto err;
-       ret = regmap_write(dev->regmap[2], 0x02, 0x01);
-       if (ret)
-               goto err;
-       ret = regmap_write(dev->regmap[2], 0x03, delivery_system_val);
-       if (ret)
-               goto err;
-       ret = regmap_write(dev->regmap[2], 0x04, bandwidth_val);
-       if (ret)
-               goto err;
-
-       /* IF */
-       utmp = DIV_ROUND_CLOSEST_ULL((u64)if_frequency * 0x1000000, dev->clk);
-       buf[0] = (utmp >> 16) & 0xff;
-       buf[1] = (utmp >>  8) & 0xff;
-       buf[2] = (utmp >>  0) & 0xff;
-       for (i = 0; i < 3; i++) {
-               ret = regmap_write(dev->regmap[2], 0x10 + i, buf[i]);
-               if (ret)
-                       goto err;
-       }
-
-       /* Bandwidth */
-       if (bandwidth_vals_ptr) {
-               for (i = 0; i < 7; i++) {
-                       ret = regmap_write(dev->regmap[2], 0x13 + i,
-                                          bandwidth_vals_ptr[i]);
-                       if (ret)
-                               goto err;
-               }
-       }
-
-       ret = regmap_write(dev->regmap[0], 0xb4, reg_bank0_b4_val);
-       if (ret)
-               goto err;
-       ret = regmap_write(dev->regmap[0], 0xcd, reg_bank0_cd_val);
-       if (ret)
-               goto err;
-       ret = regmap_write(dev->regmap[0], 0xd4, reg_bank0_d4_val);
-       if (ret)
-               goto err;
-       ret = regmap_write(dev->regmap[0], 0xd6, reg_bank0_d6_val);
-       if (ret)
-               goto err;
-
-       switch (c->delivery_system) {
-       case SYS_DVBT:
-               ret = regmap_write(dev->regmap[0], 0x07, 0x26);
-               if (ret)
-                       goto err;
-               ret = regmap_write(dev->regmap[0], 0x00, 0xba);
-               if (ret)
-                       goto err;
-               ret = regmap_write(dev->regmap[0], 0x01, 0x13);
-               if (ret)
-                       goto err;
-               break;
-       case SYS_DVBT2:
-               ret = regmap_write(dev->regmap[2], 0x2b, 0x13);
-               if (ret)
-                       goto err;
-               ret = regmap_write(dev->regmap[2], 0x4f, 0x05);
-               if (ret)
-                       goto err;
-               ret = regmap_write(dev->regmap[1], 0xf6, 0x05);
-               if (ret)
-                       goto err;
-               ret = regmap_write(dev->regmap[2], 0x32, c->stream_id);
-               if (ret)
-                       goto err;
-               break;
-       case SYS_DVBC_ANNEX_A:
-               break;
-       default:
-               break;
-       }
-
-       /* Reset FSM */
-       ret = regmap_write(dev->regmap[2], 0xf8, 0x9f);
-       if (ret)
-               goto err;
-
-       return 0;
-err:
-       dev_dbg(&client->dev, "failed=%d\n", ret);
-       return ret;
-}
-
-static int mn88472_init(struct dvb_frontend *fe)
-{
-       struct i2c_client *client = fe->demodulator_priv;
-       struct mn88472_dev *dev = i2c_get_clientdata(client);
-       int ret, len, rem;
-       unsigned int utmp;
-       const struct firmware *firmware;
-       const char *name = MN88472_FIRMWARE;
-
-       dev_dbg(&client->dev, "\n");
-
-       /* Power up */
-       ret = regmap_write(dev->regmap[2], 0x05, 0x00);
-       if (ret)
-               goto err;
-       ret = regmap_write(dev->regmap[2], 0x0b, 0x00);
-       if (ret)
-               goto err;
-       ret = regmap_write(dev->regmap[2], 0x0c, 0x00);
-       if (ret)
-               goto err;
-
-       /* Check if firmware is already running */
-       ret = regmap_read(dev->regmap[0], 0xf5, &utmp);
-       if (ret)
-               goto err;
-       if (!(utmp & 0x01))
-               goto warm;
-
-       ret = request_firmware(&firmware, name, &client->dev);
-       if (ret) {
-               dev_err(&client->dev, "firmare file '%s' not found\n", name);
-               goto err;
-       }
-
-       dev_info(&client->dev, "downloading firmware from file '%s'\n", name);
-
-       ret = regmap_write(dev->regmap[0], 0xf5, 0x03);
-       if (ret)
-               goto err_release_firmware;
-
-       for (rem = firmware->size; rem > 0; rem -= (dev->i2c_write_max - 1)) {
-               len = min(dev->i2c_write_max - 1, rem);
-               ret = regmap_bulk_write(dev->regmap[0], 0xf6,
-                                       &firmware->data[firmware->size - rem],
-                                       len);
-               if (ret) {
-                       dev_err(&client->dev, "firmware download failed %d\n",
-                               ret);
-                       goto err_release_firmware;
-               }
-       }
-
-       /* Parity check of firmware */
-       ret = regmap_read(dev->regmap[0], 0xf8, &utmp);
-       if (ret)
-               goto err_release_firmware;
-       if (utmp & 0x10) {
-               ret = -EINVAL;
-               dev_err(&client->dev, "firmware did not run\n");
-               goto err_release_firmware;
-       }
-
-       ret = regmap_write(dev->regmap[0], 0xf5, 0x00);
-       if (ret)
-               goto err_release_firmware;
-
-       release_firmware(firmware);
-warm:
-       /* TS config */
-       switch (dev->ts_mode) {
-       case SERIAL_TS_MODE:
-               ret = regmap_write(dev->regmap[2], 0x08, 0x1d);
-               break;
-       case PARALLEL_TS_MODE:
-               ret = regmap_write(dev->regmap[2], 0x08, 0x00);
-               break;
-       default:
-               ret = -EINVAL;
-               goto err;
-       }
-
-       switch (dev->ts_clk) {
-       case VARIABLE_TS_CLOCK:
-               ret = regmap_write(dev->regmap[0], 0xd9, 0xe3);
-               break;
-       case FIXED_TS_CLOCK:
-               ret = regmap_write(dev->regmap[0], 0xd9, 0xe1);
-               break;
-       default:
-               ret = -EINVAL;
-               goto err;
-       }
-
-       dev->active = true;
-
-       return 0;
-err_release_firmware:
-       release_firmware(firmware);
-err:
-       dev_dbg(&client->dev, "failed=%d\n", ret);
-       return ret;
-}
-
-static int mn88472_sleep(struct dvb_frontend *fe)
-{
-       struct i2c_client *client = fe->demodulator_priv;
-       struct mn88472_dev *dev = i2c_get_clientdata(client);
-       int ret;
-
-       dev_dbg(&client->dev, "\n");
-
-       /* Power down */
-       ret = regmap_write(dev->regmap[2], 0x0c, 0x30);
-       if (ret)
-               goto err;
-       ret = regmap_write(dev->regmap[2], 0x0b, 0x30);
-       if (ret)
-               goto err;
-       ret = regmap_write(dev->regmap[2], 0x05, 0x3e);
-       if (ret)
-               goto err;
-
-       return 0;
-err:
-       dev_dbg(&client->dev, "failed=%d\n", ret);
-       return ret;
-}
-
-static struct dvb_frontend_ops mn88472_ops = {
-       .delsys = {SYS_DVBT, SYS_DVBT2, SYS_DVBC_ANNEX_A},
-       .info = {
-               .name = "Panasonic MN88472",
-               .symbol_rate_min = 1000000,
-               .symbol_rate_max = 7200000,
-               .caps = FE_CAN_FEC_1_2                 |
-                       FE_CAN_FEC_2_3                 |
-                       FE_CAN_FEC_3_4                 |
-                       FE_CAN_FEC_5_6                 |
-                       FE_CAN_FEC_7_8                 |
-                       FE_CAN_FEC_AUTO                |
-                       FE_CAN_QPSK                    |
-                       FE_CAN_QAM_16                  |
-                       FE_CAN_QAM_32                  |
-                       FE_CAN_QAM_64                  |
-                       FE_CAN_QAM_128                 |
-                       FE_CAN_QAM_256                 |
-                       FE_CAN_QAM_AUTO                |
-                       FE_CAN_TRANSMISSION_MODE_AUTO  |
-                       FE_CAN_GUARD_INTERVAL_AUTO     |
-                       FE_CAN_HIERARCHY_AUTO          |
-                       FE_CAN_MUTE_TS                 |
-                       FE_CAN_2G_MODULATION           |
-                       FE_CAN_MULTISTREAM
-       },
-
-       .get_tune_settings = mn88472_get_tune_settings,
-
-       .init = mn88472_init,
-       .sleep = mn88472_sleep,
-
-       .set_frontend = mn88472_set_frontend,
-
-       .read_status = mn88472_read_status,
-};
-
-static struct dvb_frontend *mn88472_get_dvb_frontend(struct i2c_client *client)
-{
-       struct mn88472_dev *dev = i2c_get_clientdata(client);
-
-       dev_dbg(&client->dev, "\n");
-
-       return &dev->fe;
-}
-
-static int mn88472_probe(struct i2c_client *client,
-                        const struct i2c_device_id *id)
-{
-       struct mn88472_config *pdata = client->dev.platform_data;
-       struct mn88472_dev *dev;
-       int ret;
-       unsigned int utmp;
-       static const struct regmap_config regmap_config = {
-               .reg_bits = 8,
-               .val_bits = 8,
-       };
-
-       dev_dbg(&client->dev, "\n");
-
-       dev = kzalloc(sizeof(*dev), GFP_KERNEL);
-       if (!dev) {
-               ret = -ENOMEM;
-               goto err;
-       }
-
-       dev->i2c_write_max = pdata->i2c_wr_max ? pdata->i2c_wr_max : ~0;
-       dev->clk = pdata->xtal;
-       dev->ts_mode = pdata->ts_mode;
-       dev->ts_clk = pdata->ts_clock;
-       dev->client[0] = client;
-       dev->regmap[0] = regmap_init_i2c(dev->client[0], &regmap_config);
-       if (IS_ERR(dev->regmap[0])) {
-               ret = PTR_ERR(dev->regmap[0]);
-               goto err_kfree;
-       }
-
-       /* Check demod answers with correct chip id */
-       ret = regmap_read(dev->regmap[0], 0xff, &utmp);
-       if (ret)
-               goto err_regmap_0_regmap_exit;
-
-       dev_dbg(&client->dev, "chip id=%02x\n", utmp);
-
-       if (utmp != 0x02) {
-               ret = -ENODEV;
-               goto err_regmap_0_regmap_exit;
-       }
-
-       /*
-        * Chip has three I2C addresses for different register banks. Used
-        * addresses are 0x18, 0x1a and 0x1c. We register two dummy clients,
-        * 0x1a and 0x1c, in order to get own I2C client for each register bank.
-        *
-        * Also, register bank 2 do not support sequential I/O. Only single
-        * register write or read is allowed to that bank.
-        */
-       dev->client[1] = i2c_new_dummy(client->adapter, 0x1a);
-       if (!dev->client[1]) {
-               ret = -ENODEV;
-               dev_err(&client->dev, "I2C registration failed\n");
-               if (ret)
-                       goto err_regmap_0_regmap_exit;
-       }
-       dev->regmap[1] = regmap_init_i2c(dev->client[1], &regmap_config);
-       if (IS_ERR(dev->regmap[1])) {
-               ret = PTR_ERR(dev->regmap[1]);
-               goto err_client_1_i2c_unregister_device;
-       }
-       i2c_set_clientdata(dev->client[1], dev);
-
-       dev->client[2] = i2c_new_dummy(client->adapter, 0x1c);
-       if (!dev->client[2]) {
-               ret = -ENODEV;
-               dev_err(&client->dev, "2nd I2C registration failed\n");
-               if (ret)
-                       goto err_regmap_1_regmap_exit;
-       }
-       dev->regmap[2] = regmap_init_i2c(dev->client[2], &regmap_config);
-       if (IS_ERR(dev->regmap[2])) {
-               ret = PTR_ERR(dev->regmap[2]);
-               goto err_client_2_i2c_unregister_device;
-       }
-       i2c_set_clientdata(dev->client[2], dev);
-
-       /* Sleep because chip is active by default */
-       ret = regmap_write(dev->regmap[2], 0x05, 0x3e);
-       if (ret)
-               goto err_regmap_2_regmap_exit;
-
-       /* Create dvb frontend */
-       memcpy(&dev->fe.ops, &mn88472_ops, sizeof(struct dvb_frontend_ops));
-       dev->fe.demodulator_priv = client;
-       *pdata->fe = &dev->fe;
-       i2c_set_clientdata(client, dev);
-
-       /* Setup callbacks */
-       pdata->get_dvb_frontend = mn88472_get_dvb_frontend;
-
-       dev_info(&client->dev, "Panasonic MN88472 successfully identified\n");
-
-       return 0;
-err_regmap_2_regmap_exit:
-       regmap_exit(dev->regmap[2]);
-err_client_2_i2c_unregister_device:
-       i2c_unregister_device(dev->client[2]);
-err_regmap_1_regmap_exit:
-       regmap_exit(dev->regmap[1]);
-err_client_1_i2c_unregister_device:
-       i2c_unregister_device(dev->client[1]);
-err_regmap_0_regmap_exit:
-       regmap_exit(dev->regmap[0]);
-err_kfree:
-       kfree(dev);
-err:
-       dev_dbg(&client->dev, "failed=%d\n", ret);
-       return ret;
-}
-
-static int mn88472_remove(struct i2c_client *client)
-{
-       struct mn88472_dev *dev = i2c_get_clientdata(client);
-
-       dev_dbg(&client->dev, "\n");
-
-       regmap_exit(dev->regmap[2]);
-       i2c_unregister_device(dev->client[2]);
-
-       regmap_exit(dev->regmap[1]);
-       i2c_unregister_device(dev->client[1]);
-
-       regmap_exit(dev->regmap[0]);
-
-       kfree(dev);
-
-       return 0;
-}
-
-static const struct i2c_device_id mn88472_id_table[] = {
-       {"mn88472", 0},
-       {}
-};
-MODULE_DEVICE_TABLE(i2c, mn88472_id_table);
-
-static struct i2c_driver mn88472_driver = {
-       .driver = {
-               .name = "mn88472",
-               .suppress_bind_attrs = true,
-       },
-       .probe    = mn88472_probe,
-       .remove   = mn88472_remove,
-       .id_table = mn88472_id_table,
-};
-
-module_i2c_driver(mn88472_driver);
-
-MODULE_AUTHOR("Antti Palosaari <cr...@iki.fi>");
-MODULE_DESCRIPTION("Panasonic MN88472 DVB-T/T2/C demodulator driver");
-MODULE_LICENSE("GPL");
-MODULE_FIRMWARE(MN88472_FIRMWARE);
diff --git a/drivers/staging/media/mn88472/mn88472_priv.h 
b/drivers/staging/media/mn88472/mn88472_priv.h
deleted file mode 100644
index cdf2597..0000000
--- a/drivers/staging/media/mn88472/mn88472_priv.h
+++ /dev/null
@@ -1,38 +0,0 @@
-/*
- * Panasonic MN88472 DVB-T/T2/C demodulator driver
- *
- * Copyright (C) 2013 Antti Palosaari <cr...@iki.fi>
- *
- *    This program is free software; you can redistribute it and/or modify
- *    it under the terms of the GNU General Public License as published by
- *    the Free Software Foundation; either version 2 of the License, or
- *    (at your option) any later version.
- *
- *    This program is distributed in the hope that it will be useful,
- *    but WITHOUT ANY WARRANTY; without even the implied warranty of
- *    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
- *    GNU General Public License for more details.
- */
-
-#ifndef MN88472_PRIV_H
-#define MN88472_PRIV_H
-
-#include "dvb_frontend.h"
-#include "mn88472.h"
-#include <linux/firmware.h>
-#include <linux/regmap.h>
-
-#define MN88472_FIRMWARE "dvb-demod-mn88472-02.fw"
-
-struct mn88472_dev {
-       struct i2c_client *client[3];
-       struct regmap *regmap[3];
-       struct dvb_frontend fe;
-       u16 i2c_write_max;
-       unsigned int clk;
-       unsigned int active:1;
-       unsigned int ts_mode:1;
-       unsigned int ts_clk:1;
-};
-
-#endif
-- 
http://palosaari.fi/

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