redonkable/alistair23-linux
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[media] si2168: add I2C error handling

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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>
This commit is contained in:
Olli Salonen 2015-05-05 13:54:16 -03:00 committed by Mauro Carvalho Chehab
parent c060f9329f
commit 7adf99d20c
1 changed files with 6 additions and 0 deletions
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6
drivers/media/dvb-frontends/si2168.c
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@ -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;