Re: [PATCH 3/4] Input: pwm-vibra - add support for enable GPIO

From: Konrad Dybcio
Date: Tue May 02 2023 - 06:39:54 EST




On 28.04.2023 18:06, Luca Weiss wrote:
> On Freitag, 28. April 2023 01:29:27 CEST Brian Masney wrote:
>> On Thu, Apr 27, 2023 at 10:34:28PM +0200, Luca Weiss wrote:
>>> Some pwm vibrators have a dedicated enable GPIO that needs to be set
>>> high so that the vibrator works. Add support for that optionally.
>>>
>>> Signed-off-by: Luca Weiss <luca@xxxxxxxxx>
>>
>> Hi Luca,
>>
>> Thank you for picking up this work!
>>
>>> + vibrator->enable_gpio = devm_gpiod_get_optional(&pdev->dev,
> "enable",
>>> +
> GPIOD_OUT_LOW);
>>> + err = PTR_ERR_OR_ZERO(vibrator->enable_gpio);
>>> + if (err) {
>>> + if (err != -EPROBE_DEFER)
>>> + dev_err(&pdev->dev, "Failed to request enable
> gpio: %d\n",
>>> + err);
>>> + return err;
>>> + }
>>> +
>>
Looks like your email client messes with the replies.. perhaps it tries
to round them to n characters forcefully?

Konrad
>> Take a look at dev_err_probe() to remove the -EPROBE_DEFER check.
>
> The input subsystem doesn't like dev_err_probe for some reason, you should
> quickly find examples of that being rejected on the mailing list (or see
> "git grep dev_err_probe drivers/input/")
>
>>
>> With that fixed:
>>
>> Reviewed-by: Brian Masney <bmasney@xxxxxxxxxx>
>
> Thanks for the reviews!
>
>