From: Antti Palosaari Date: Tue, 6 Oct 2015 00:16:39 +0000 (-0300) Subject: [media] rtl2832: print reg number on error case X-Git-Url: https://git.karo-electronics.de/?a=commitdiff_plain;h=891e0559387e94292287f5c5d1c61cd39742f46b;p=linux-beck.git [media] rtl2832: print reg number on error case 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 Signed-off-by: Mauro Carvalho Chehab --- diff --git a/drivers/media/dvb-frontends/rtl2832.c b/drivers/media/dvb-frontends/rtl2832.c index 78b87b260d74..60250cc84900 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;