diff options
| author | Michael Walle <mwalle@kernel.org> | 2024-02-25 08:19:34 +0200 |
|---|---|---|
| committer | Robert Foss <rfoss@kernel.org> | 2024-04-23 17:32:53 +0200 |
| commit | 733daaebe2504e0261f5249d11f4796d0614539d (patch) | |
| tree | 6b24d0594911c45e8b2b77a296a1ca01bcae082c | |
| parent | 30ea09a182cb37c4921b9d477ed18107befe6d78 (diff) | |
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: Michael Walle <mwalle@kernel.org>
Reviewed-by: Dmitry Baryshkov <dmitry.baryshkov@linaro.org>
Acked-by: Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org>
Signed-off-by: Tony Lindgren <tony@atomide.com>
Reviewed-by: Robert Foss <rfoss@kernel.org>
Signed-off-by: Robert Foss <rfoss@kernel.org>
Link: https://patchwork.freedesktop.org/patch/msgid/20240225062008.33191-6-tony@atomide.com
| -rw-r--r-- | drivers/gpu/drm/bridge/tc358775.c | 9 |
1 files changed, 3 insertions, 6 deletions
diff --git a/drivers/gpu/drm/bridge/tc358775.c b/drivers/gpu/drm/bridge/tc358775.c index c73767063192..35e78b58a39c 100644 --- a/drivers/gpu/drm/bridge/tc358775.c +++ b/drivers/gpu/drm/bridge/tc358775.c @@ -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)) { |