| From | Greg Kroah-Hartman <> | Subject | [PATCH 5.13 393/800] drm/bridge: anx7625: Fix power on delay | Date | Mon, 12 Jul 2021 08:06:56 +0200 |
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From: Hsin-Yi Wang <hsinyi@chromium.org>
[ Upstream commit 1fcf24fb07e254ca69001ab14adc8cf567127c44 ]
>From anx7625 spec, the delay between powering on power supplies and gpio should be larger than 10ms.
Fixes: 6c744983004e ("drm/bridge: anx7625: disable regulators when power off") Signed-off-by: Hsin-Yi Wang <hsinyi@chromium.org> Reviewed-by: Neil Armstrong <narmstrong@baylibre.com> Signed-off-by: Robert Foss <robert.foss@linaro.org> Link: https://patchwork.freedesktop.org/patch/msgid/20210428115116.931328-1-hsinyi@chromium.org Signed-off-by: Sasha Levin <sashal@kernel.org> --- drivers/gpu/drm/bridge/analogix/anx7625.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/drivers/gpu/drm/bridge/analogix/anx7625.c b/drivers/gpu/drm/bridge/analogix/anx7625.c index 23283ba0c4f9..b4e349ca38fe 100644 --- a/drivers/gpu/drm/bridge/analogix/anx7625.c +++ b/drivers/gpu/drm/bridge/analogix/anx7625.c @@ -893,7 +893,7 @@ static void anx7625_power_on(struct anx7625_data *ctx) usleep_range(2000, 2100); } - usleep_range(4000, 4100); + usleep_range(11000, 12000); /* Power on pin enable */ gpiod_set_value(ctx->pdata.gpio_p_on, 1); -- 2.30.2
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