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[media] mt9v032: Check return value of clk_prepare_enable/clk_set_rate

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clk_set_rate(), clk_prepare_enable() functions can fail, so check the return
values to avoid surprises.

Signed-off-by: Lad, Prabhakar <prabhakar.csengg@gmail.com>
Signed-off-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
Signed-off-by: Mauro Carvalho Chehab <m.chehab@samsung.com>
This commit is contained in:
Lad, Prabhakar 2014-01-17 06:22:47 -03:00 committed by Mauro Carvalho Chehab
parent ee2d16d7b3
commit 79019190a4
1 changed files with 8 additions and 2 deletions
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10
drivers/media/i2c/mt9v032.c
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@ -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 */