diff mbox

[v4,3/6] si2168: add I2C error handling

Message ID 1430844859-24947-4-git-send-email-olli.salonen@iki.fi (mailing list archive)
State New, archived
Headers show

Commit Message

Olli Salonen May 5, 2015, 4:54 p.m. UTC 
Return error from si2168_cmd_execute in case the demodulator returns an 
error.

Signed-off-by: Olli Salonen <olli.salonen@iki.fi>
---
 drivers/media/dvb-frontends/si2168.c | 6 ++++++
 1 file changed, 6 insertions(+)
diff mbox

Patch

diff --git a/drivers/media/dvb-frontends/si2168.c b/drivers/media/dvb-frontends/si2168.c
index 29a5936..b68ab34 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;