From 891e0559387e94292287f5c5d1c61cd39742f46b Mon Sep 17 00:00:00 2001
From: Antti Palosaari <crope@iki.fi>
Date: Mon, 5 Oct 2015 21:16:39 -0300
Subject: [PATCH] [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>
---
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 78b87b260d745..60250cc849007 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;