Some device vendors has forgotten set correct slave demod I2C address
to eeprom. Use default I2C address when eeprom has no address at all.
Signed-off-by: Antti Palosaari <cr...@iki.fi>
---
drivers/media/usb/dvb-usb-v2/af9035.c | 15 +++++++--------
1 file changed, 7 insertions(+), 8 deletions(-)
diff --git a/drivers/media/usb/dvb-usb-v2/af9035.c
b/drivers/media/usb/dvb-usb-v2/af9035.c
index 49e8360..1434d37 100644
--- a/drivers/media/usb/dvb-usb-v2/af9035.c
+++ b/drivers/media/usb/dvb-usb-v2/af9035.c
@@ -575,11 +575,11 @@ static int af9035_download_firmware(struct dvb_usb_device
*d,
if (ret < 0)
goto err;
- if (state->chip_type == 0x9135) {
- if (!tmp)
- /* default 0x9135 slave I2C address */
- tmp = 0x3a;
+ /* use default I2C address if eeprom has no address set */
+ if (!tmp)
+ tmp = 0x3a;
+ if (state->chip_type == 0x9135) {
ret = af9035_wr_reg(d, 0x004bfb, tmp);
if (ret < 0)
goto err;
@@ -641,6 +641,7 @@ static int af9035_read_config(struct dvb_usb_device *d)
/* demod I2C "address" */
state->af9033_config[0].i2c_addr = 0x38;
+ state->af9033_config[1].i2c_addr = 0x3a;
state->af9033_config[0].adc_multiplier = AF9033_ADC_MULTIPLIER_2X;
state->af9033_config[1].adc_multiplier = AF9033_ADC_MULTIPLIER_2X;
state->af9033_config[0].ts_mode = AF9033_TS_MODE_USB;
@@ -688,11 +689,9 @@ static int af9035_read_config(struct dvb_usb_device *d)
if (ret < 0)
goto err;
- if (!tmp && state->chip_type == 0x9135)
- /* default 0x9135 slave I2C address */
- tmp = 0x3a;
+ if (tmp)
+ state->af9033_config[1].i2c_addr = tmp;
- state->af9033_config[1].i2c_addr = tmp;
dev_dbg(&d->udev->dev, "%s: 2nd demod I2C addr=%02x\n",
__func__, tmp);
}
--
1.8.5.3
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