linux-kernel - Re: [PATCH 5/7] gpiolib: of: add a quirk for reset line for Cirrus CS42L56 codec

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Message-ID: <Y0aXO6i87PE8hyBo@maple.lan>
Date:   Wed, 12 Oct 2022 11:30:19 +0100
From:   Daniel Thompson <daniel.thompson@...aro.org>
To:     Dmitry Torokhov <dmitry.torokhov@...il.com>
Cc:     Linus Walleij <linus.walleij@...aro.org>,
        Bartosz Golaszewski <brgl@...ev.pl>,
        linux-kernel@...r.kernel.org, linux-mediatek@...ts.infradead.org,
        Andy Shevchenko <andriy.shevchenko@...ux.intel.com>,
        linux-arm-kernel@...ts.infradead.org, linux-gpio@...r.kernel.org
Subject: Re: [PATCH 5/7] gpiolib: of: add a quirk for reset line for Cirrus
 CS42L56 codec

On Tue, Oct 11, 2022 at 03:19:33PM -0700, Dmitry Torokhov wrote:
> The controller is using non-standard "cirrus,gpio-nreset" name for its
> reset gpio property, whereas gpiod API expects "<name>-gpios".
> Add a quirk so that gpiod API will still work on unmodified DTSes.
>
> Signed-off-by: Dmitry Torokhov <dmitry.torokhov@...il.com>
> ---
>  drivers/gpio/gpiolib-of.c | 3 +++
>  1 file changed, 3 insertions(+)
>
> diff --git a/drivers/gpio/gpiolib-of.c b/drivers/gpio/gpiolib-of.c
> index 7d4193fe36e5..953d1c23950a 100644
> --- a/drivers/gpio/gpiolib-of.c
> +++ b/drivers/gpio/gpiolib-of.c
> @@ -407,6 +407,9 @@ static struct gpio_desc *of_find_gpio_rename(struct device_node *np,
>  		{ "wlf,ldo1ena", NULL,		NULL }, /* WM8994 */
>  		{ "wlf,ldo2ena", NULL,		NULL }, /* WM8994 */
>  #endif
> +#if IS_ENABLED(CONFIG_SND_SOC_CS42L56)
> +		{ "reset",	"cirrus,gpio-nreset",	"cirrus,cs42l56" },
> +#endif

Same question as before about bindings maintainance but other than that:
Reviewed-by: Daniel Thompson <daniel.thompson@...aro.org>


Daniel.