iv/linux
1
0
Fork 0
Code Issues Pull Requests Actions Packages Projects Releases Wiki Activity

drm/bridge: tc358775: make standby GPIO optional

Browse Source 
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
This commit is contained in:
Michael Walle 2024-02-25 08:19:34 +02:00 committed by Robert Foss
parent 30ea09a182
commit 733daaebe2
No known key found for this signature in database
GPG Key ID: 3EFD900F76D1D784
1 changed files with 3 additions and 6 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

9
drivers/gpu/drm/bridge/tc358775.c
View File

@ -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)) {