Re: [PATCH v5 0/2] Basic support for TI TDP158

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On Tue, 03 Sep 2024, Jani Nikula <jani.nikula@xxxxxxxxxxxxxxx> wrote:
> On Tue, 03 Sep 2024, Robert Foss <rfoss@xxxxxxxxxx> wrote:
>> On Mon, 12 Aug 2024 16:51:00 +0200, Marc Gonzalez wrote:
>>> TDP158 is an AC-coupled DVI / HDMI to TMDS level shifting Redriver.
>>> 
>>> Like the TFP410, the TDP158 can be set up in 2 different ways:
>>> 1) hard-coding its configuration settings using pin-strapping resistors
>>> 2) placing it on an I2C bus, and defer set-up until run-time
>>> 
>>> The mode is selected by pin 8 = I2C_EN
>>> I2C_EN = 1 ==> I2C Control Mode
>>> I2C_EN = 0 ==> Pin Strap Mode
>>> 
>>> [...]
>>
>> Applied, thanks!
>>
>> [1/2] dt-bindings: display: bridge: add TI TDP158
>>       https://gitlab.freedesktop.org/drm/misc/kernel/-/commit/887665792b99
>> [2/2] drm/bridge: add support for TI TDP158
>>       https://gitlab.freedesktop.org/drm/misc/kernel/-/commit/a15710027afb
>
> Fails build with:
>
> ../drivers/gpu/drm/bridge/ti-tdp158.c: In function ‘tdp158_enable’:
> ../drivers/gpu/drm/bridge/ti-tdp158.c:31:9: error: implicit declaration of function ‘gpiod_set_value_cansleep’ [-Werror=implicit-function-declaration]
>    31 |         gpiod_set_value_cansleep(tdp158->enable, 1);
>       |         ^~~~~~~~~~~~~~~~~~~~~~~~
> ../drivers/gpu/drm/bridge/ti-tdp158.c: In function ‘tdp158_probe’:
> ../drivers/gpu/drm/bridge/ti-tdp158.c:80:26: error: implicit declaration of function ‘devm_gpiod_get_optional’; did you mean ‘devm_regulator_get_optional’? [-Werror=implicit-function-declaration]
>    80 |         tdp158->enable = devm_gpiod_get_optional(dev, "enable", GPIOD_OUT_LOW);
>       |                          ^~~~~~~~~~~~~~~~~~~~~~~
>       |                          devm_regulator_get_optional
> ../drivers/gpu/drm/bridge/ti-tdp158.c:80:65: error: ‘GPIOD_OUT_LOW’ undeclared (first use in this function)
>    80 |         tdp158->enable = devm_gpiod_get_optional(dev, "enable", GPIOD_OUT_LOW);
>       |                                                                 ^~~~~~~~~~~~~
> ../drivers/gpu/drm/bridge/ti-tdp158.c:80:65: note: each undeclared identifier is reported only once for each function it appears in

Fix at [1].

BR,
Jani.


[1] https://lore.kernel.org/r/20240904085206.3331553-1-jani.nikula@xxxxxxxxx


-- 
Jani Nikula, Intel




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