gpiolib: of: add a quirk for reset line for Cirrus CS42L56 codec

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.

Reviewed-by: Daniel Thompson <daniel.thompson@linaro.org>
Reviewed-by: Linus Walleij <linus.walleij@linaro.org>
Signed-off-by: Dmitry Torokhov <dmitry.torokhov@gmail.com>
Signed-off-by: Bartosz Golaszewski <bartosz.golaszewski@linaro.org>

diff --git a/drivers/gpio/gpiolib-of.c b/drivers/gpio/gpiolib-of.c
index a9cedc3..ffdbac2 100644 (file)
--- a/drivers/gpio/gpiolib-of.c
+++ b/drivers/gpio/gpiolib-of.c
@@ -418,6 +418,9 @@ static struct gpio_desc *of_find_gpio_rename(struct device_node *np,
                { "wlf,ldo2ena", NULL,          NULL }, /* WM8994 */
 #endif
 
+#if IS_ENABLED(CONFIG_SND_SOC_CS42L56)
+               { "reset",      "cirrus,gpio-nreset",   "cirrus,cs42l56" },
+#endif
 #if IS_ENABLED(CONFIG_SND_SOC_TLV320AIC3X)
                { "reset",      "gpio-reset",   "ti,tlv320aic3x" },
                { "reset",      "gpio-reset",   "ti,tlv320aic33" },