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authorOlli Salonen <olli.salonen@iki.fi>2015-05-05 13:54:16 -0300
committerMauro Carvalho Chehab <mchehab@osg.samsung.com>2015-05-12 13:19:26 -0300
commit7adf99d20ce0e96a70755f452e3a63824b14060f (patch)
tree3039e7b61fb43302e8f27f1b12f1bb17e8f8aee2 /drivers/media/dvb-frontends/si2168.c
parentc060f9329f4a5aa94d8e61c8f2bb8996a8180059 (diff)
[media] si2168: add I2C error handling
Return error from si2168_cmd_execute in case the demodulator returns an error. Signed-off-by: Olli Salonen <olli.salonen@iki.fi> 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/si2168.c')
-rw-r--r--drivers/media/dvb-frontends/si2168.c6
1 files changed, 6 insertions, 0 deletions
diff --git a/drivers/media/dvb-frontends/si2168.c b/drivers/media/dvb-frontends/si2168.c
index 29a59369ea7b..b68ab346b93b 100644
--- a/drivers/media/dvb-frontends/si2168.c
+++ b/drivers/media/dvb-frontends/si2168.c
@@ -60,6 +60,12 @@ static int si2168_cmd_execute(struct i2c_client *client, struct si2168_cmd *cmd)
jiffies_to_msecs(jiffies) -
(jiffies_to_msecs(timeout) - TIMEOUT));
+ /* error bit set? */
+ if ((cmd->args[0] >> 6) & 0x01) {
+ ret = -EREMOTEIO;
+ goto err_mutex_unlock;
+ }
+
if (!((cmd->args[0] >> 7) & 0x01)) {
ret = -ETIMEDOUT;
goto err_mutex_unlock;

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