From: "Lad, Prabhakar" <prabhakar.cse...@gmail.com>
clk_set_rate(), clk_prepare_enable() functions can fail, so check the return
values to avoid surprises.
Signed-off-by: Lad, Prabhakar <prabhakar.cse...@gmail.com>
---
drivers/media/i2c/mt9v032.c | 10 ++++++++--
1 file changed, 8 insertions(+), 2 deletions(-)
diff --git a/drivers/media/i2c/mt9v032.c b/drivers/media/i2c/mt9v032.c
index 36c504b..40172b8 100644
--- a/drivers/media/i2c/mt9v032.c
+++ b/drivers/media/i2c/mt9v032.c
@@ -317,8 +317,14 @@ static int mt9v032_power_on(struct mt9v032 *mt9v032)
struct i2c_client *client = v4l2_get_subdevdata(&mt9v032->subdev);
int ret;
- clk_set_rate(mt9v032->clk, mt9v032->sysclk);
- clk_prepare_enable(mt9v032->clk);
+ ret = clk_set_rate(mt9v032->clk, mt9v032->sysclk);
+ if (ret < 0)
+ return ret;
+
+ ret = clk_prepare_enable(mt9v032->clk);
+ if (ret)
+ return ret;
+
udelay(1);
/* Reset the chip and stop data read out */
--
1.7.9.5
--
To unsubscribe from this list: send the line "unsubscribe linux-media" in
the body of a message to majord...@vger.kernel.org
More majordomo info at http://vger.kernel.org/majordomo-info.html
