summaryrefslogtreecommitdiffstats
path: root/drivers/media/dvb-frontends
diff options
context:
space:
mode:
authorAntti Palosaari <crope@iki.fi>2015-10-06 02:16:39 +0200
committerMauro Carvalho Chehab <mchehab@osg.samsung.com>2015-12-23 17:11:30 +0100
commit891e0559387e94292287f5c5d1c61cd39742f46b (patch)
treea5cd82c939b9d07c52b52e608105b59b387c73d0 /drivers/media/dvb-frontends
parent[media] rtl28xxu: return demod reg page from driver cache (diff)
downloadlinux-891e0559387e94292287f5c5d1c61cd39742f46b.tar.xz
linux-891e0559387e94292287f5c5d1c61cd39742f46b.zip
[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 <crope@iki.fi> Signed-off-by: Mauro Carvalho Chehab <mchehab@osg.samsung.com>
Diffstat (limited to 'drivers/media/dvb-frontends')
-rw-r--r--drivers/media/dvb-frontends/rtl2832.c9
1 files changed, 6 insertions, 3 deletions
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;