[media] mt9v032: Check return value of clk_prepare_enable/clk_set_rate
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>
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@ -317,8 +317,14 @@ static int mt9v032_power_on(struct mt9v032 *mt9v032)
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struct i2c_client *client = v4l2_get_subdevdata(&mt9v032->subdev);
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int ret;
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clk_set_rate(mt9v032->clk, mt9v032->sysclk);
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clk_prepare_enable(mt9v032->clk);
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ret = clk_set_rate(mt9v032->clk, mt9v032->sysclk);
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if (ret < 0)
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return ret;
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ret = clk_prepare_enable(mt9v032->clk);
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if (ret)
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return ret;
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udelay(1);
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/* Reset the chip and stop data read out */
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