linux-kernel - [PATCH 1/8] gpiolib: of: Add quirk for mt2701-cs42448 ASoC sound

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Date:   Fri, 06 Oct 2023 15:46:24 +0200
From:   Linus Walleij <linus.walleij@...aro.org>
To:     Bartosz Golaszewski <brgl@...ev.pl>,
        Andy Shevchenko <andy@...nel.org>,
        Matthias Brugger <matthias.bgg@...il.com>,
        AngeloGioacchino Del Regno 
        <angelogioacchino.delregno@...labora.com>,
        Liam Girdwood <lgirdwood@...il.com>,
        Mark Brown <broonie@...nel.org>,
        Jaroslav Kysela <perex@...ex.cz>, Takashi Iwai <tiwai@...e.com>
Cc:     linux-gpio@...r.kernel.org, linux-kernel@...r.kernel.org,
        linux-arm-kernel@...ts.infradead.org,
        linux-mediatek@...ts.infradead.org, alsa-devel@...a-project.org,
        Linus Walleij <linus.walleij@...aro.org>
Subject: [PATCH 1/8] gpiolib: of: Add quirk for mt2701-cs42448 ASoC sound

These gpio names are due to old DT bindings not following the
"-gpio"/"-gpios" conventions. Handle it using a quirk so the
driver can just look up the GPIOs.

Signed-off-by: Linus Walleij <linus.walleij@...aro.org>
---
 drivers/gpio/gpiolib-of.c | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/drivers/gpio/gpiolib-of.c b/drivers/gpio/gpiolib-of.c
index 531faabead0f..d9525d95e818 100644
--- a/drivers/gpio/gpiolib-of.c
+++ b/drivers/gpio/gpiolib-of.c
@@ -512,6 +512,10 @@ static struct gpio_desc *of_find_gpio_rename(struct device_node *np,
 #if IS_ENABLED(CONFIG_SND_SOC_CS42L56)
 		{ "reset",	"cirrus,gpio-nreset",	"cirrus,cs42l56" },
 #endif
+#if IS_ENABLED(CONFIG_SND_SOC_MT2701_CS42448)
+		{ "i2s1-in-sel-gpio1",	NULL,	"mediatek,mt2701-cs42448-machine" },
+		{ "i2s1-in-sel-gpio2",	NULL,	"mediatek,mt2701-cs42448-machine" },
+#endif
 #if IS_ENABLED(CONFIG_SND_SOC_TLV320AIC3X)
 		{ "reset",	"gpio-reset",	"ti,tlv320aic3x" },
 		{ "reset",	"gpio-reset",	"ti,tlv320aic33" },

-- 
2.34.1