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drm/imx: imx-tve: check the value returned by regulator_set_voltage()

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regulator_set_voltage() may fail, so we better check its return value
and propagate it in the case of error.

Signed-off-by: Fabio Estevam <fabio.estevam@nxp.com>
Signed-off-by: Philipp Zabel <p.zabel@pengutronix.de>
This commit is contained in:
Fabio Estevam 2016-07-09 18:57:42 -03:00 committed by Philipp Zabel
parent 7075ba7942
commit deb65870b5
1 changed files with 3 additions and 1 deletions
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4
drivers/gpu/drm/imx/imx-tve.c
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@ -628,7 +628,9 @@ static int imx_tve_bind(struct device *dev, struct device *master, void *data)
tve->dac_reg = devm_regulator_get(dev, "dac");
if (!IS_ERR(tve->dac_reg)) {
regulator_set_voltage(tve->dac_reg, 2750000, 2750000);
ret = regulator_set_voltage(tve->dac_reg, 2750000, 2750000);
if (ret)
return ret;
ret = regulator_enable(tve->dac_reg);
if (ret)
return ret;