Unverified Commit 733daaeb authored by Michael Walle's avatar Michael Walle Committed by Robert Foss
Browse files

drm/bridge: tc358775: make standby GPIO optional 



The stby pin is optional. It is only needed for power-up and down
sequencing. It is not needed, if the power rails cannot by dynamically
enabled.

Because the GPIO is now optional, remove the error message.

Signed-off-by: default avatarMichael Walle <mwalle@kernel.org>
Reviewed-by: default avatarDmitry Baryshkov <dmitry.baryshkov@linaro.org>
Acked-by: default avatarKrzysztof Kozlowski <krzysztof.kozlowski@linaro.org>
Signed-off-by: default avatarTony Lindgren <tony@atomide.com>
Reviewed-by: default avatarRobert Foss <rfoss@kernel.org>
Signed-off-by: default avatarRobert Foss <rfoss@kernel.org>
Link: https://patchwork.freedesktop.org/patch/msgid/20240225062008.33191-6-tony@atomide.com
parent 30ea09a1

drivers/gpu/drm/bridge/tc358775.c

+3 −6
Original line number Diff line number Diff line
@@ -667,12 +667,9 @@ static int tc_probe(struct i2c_client *client) 
		return ret;

	}



	tc->stby_gpio = devm_gpiod_get(dev, "stby", GPIOD_OUT_HIGH);

	if (IS_ERR(tc->stby_gpio)) {

		ret = PTR_ERR(tc->stby_gpio);

		dev_err(dev, "cannot get stby-gpio %d\n", ret);

		return ret;

	}

	tc->stby_gpio = devm_gpiod_get_optional(dev, "stby", GPIOD_OUT_HIGH);

	if (IS_ERR(tc->stby_gpio))

		return PTR_ERR(tc->stby_gpio);



	tc->reset_gpio = devm_gpiod_get(dev, "reset", GPIOD_OUT_HIGH);

	if (IS_ERR(tc->reset_gpio)) {