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[media] rtl2832: print reg number on error case

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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 <crope@iki.fi>
Signed-off-by: Mauro Carvalho Chehab <mchehab@osg.samsung.com>
This commit is contained in:
Antti Palosaari 2015-10-05 21:16:39 -03:00 committed by Mauro Carvalho Chehab
parent 31d60f1bc5
commit 891e055938
1 changed files with 6 additions and 3 deletions
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9
drivers/media/dvb-frontends/rtl2832.c
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@ -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;