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drm/bridge: sii902x: Allow reset line to be tied to a sleepy GPIO controller

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Switch to gpiod_set_value_cansleep() in sii902x_reset().
This is relevant if the reset line is tied to a I2C GPIO
controller.

Signed-off-by: Wadim Egorov <w.egorov@phytec.de>
Reviewed-by: Andrzej Hajda <andrzej.hajda@intel.com>
Signed-off-by: Neil Armstrong <neil.armstrong@linaro.org>
Link: https://patchwork.freedesktop.org/patch/msgid/20221228145704.939801-1-w.egorov@phytec.de
This commit is contained in:
Wadim Egorov 2022-12-28 15:57:04 +01:00 committed by Neil Armstrong
parent 9402cde934
commit 5688ca3469
1 changed files with 2 additions and 2 deletions
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4
drivers/gpu/drm/bridge/sii902x.c
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@ -239,12 +239,12 @@ static void sii902x_reset(struct sii902x *sii902x)
if (!sii902x->reset_gpio)
return;
gpiod_set_value(sii902x->reset_gpio, 1);
gpiod_set_value_cansleep(sii902x->reset_gpio, 1);
/* The datasheet says treset-min = 100us. Make it 150us to be sure. */
usleep_range(150, 200);
gpiod_set_value(sii902x->reset_gpio, 0);
gpiod_set_value_cansleep(sii902x->reset_gpio, 0);
}
static enum drm_connector_status sii902x_detect(struct sii902x *sii902x)