Commit 956107ea authored Mar 19, 2012 by Mark Brown Committed by Tomi Valkeinen Apr 23, 2012

OMAPDSS: TPO-TD03MTEA1: Check for errors from regulator_enable()

It is possible for regulator_enable() to fail and if it does fail that's
generally a bad sign for anything we try to do with the hardware afterwards
so check for and immediately return an error if regulator_enable() fails.

Signed-off-by: Mark Brown <broonie@opensource.wolfsonmicro.com>
Acked-by: Grazvydas Ignotas <notasas@gmail.com>
Signed-off-by: Tomi Valkeinen <tomi.valkeinen@ti.com>

parent ec874107

drivers/video/omap2/displays/panel-tpo-td043mtea1.c

+4 −1

Original line number	Diff line number	Diff line
		@@ -272,11 +272,14 @@ static const struct omap_video_timings tpo_td043_timings = {
		static int tpo_td043_power_on(struct tpo_td043_device *tpo_td043)
		{
		int nreset_gpio = tpo_td043->nreset_gpio;
		int r;

		if (tpo_td043->powered_on)
		return 0;

		regulator_enable(tpo_td043->vcc_reg);
		r = regulator_enable(tpo_td043->vcc_reg);
		if (r != 0)
		return r;

		/* wait for regulator to stabilize */
		msleep(160);