It is hard to debug possible I2C failures without knowing the
possible register itself. Add register number to error printing.
Signed-off-by: Antti Palosaari <cr...@iki.fi>
---
drivers/media/dvb-frontends/rtl2832.c | 9 ++++++---
1 file changed, 6 insertions(+), 3 deletions(-)
diff --git a/drivers/media/dvb-frontends/rtl2832.c
b/drivers/media/dvb-frontends/rtl2832.c
index 78b87b2..60250cc 100644
--- a/drivers/media/dvb-frontends/rtl2832.c
+++ b/drivers/media/dvb-frontends/rtl2832.c
@@ -976,7 +976,8 @@ static int rtl2832_regmap_read(void *context, const void
*reg_buf,
ret = __i2c_transfer(client->adapter, msg, 2);
if (ret != 2) {
- dev_warn(&client->dev, "i2c reg read failed %d\n", ret);
+ dev_warn(&client->dev, "i2c reg read failed %d reg %02x\n",
+ ret, *(u8 *)reg_buf);
if (ret >= 0)
ret = -EREMOTEIO;
return ret;
@@ -999,7 +1000,8 @@ static int rtl2832_regmap_write(void *context, const void
*data, size_t count)
ret = __i2c_transfer(client->adapter, msg, 1);
if (ret != 1) {
- dev_warn(&client->dev, "i2c reg write failed %d\n", ret);
+ dev_warn(&client->dev, "i2c reg write failed %d reg %02x\n",
+ ret, *(u8 *)data);
if (ret >= 0)
ret = -EREMOTEIO;
return ret;
@@ -1028,7 +1030,8 @@ static int rtl2832_regmap_gather_write(void *context,
const void *reg,
ret = __i2c_transfer(client->adapter, msg, 1);
if (ret != 1) {
- dev_warn(&client->dev, "i2c reg write failed %d\n", ret);
+ dev_warn(&client->dev, "i2c reg write failed %d reg %02x\n",
+ ret, *(u8 const *)reg);
if (ret >= 0)
ret = -EREMOTEIO;
return ret;
--
http://palosaari.fi/
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