--- Begin Message ---
- To: alsa-devel@xxxxxxxxxxxxxxxx, devicetree@xxxxxxxxxxxxxxx, linux-kernel@xxxxxxxxxxxxxxx, lgirdwood@xxxxxxxxx, broonie@xxxxxxxxxx
- Subject: [PATCH 7/9] ASoC: ssm2602: Add mute gpio
- From: Paweł Anikiel <pan@xxxxxxxxxxxx>
- Date: Fri, 14 Apr 2023 16:02:01 +0200
- Cc: tiwai@xxxxxxxx, robh+dt@xxxxxxxxxx, krzysztof.kozlowski+dt@xxxxxxxxxx, dinguyen@xxxxxxxxxx, lars@xxxxxxxxxx, nuno.sa@xxxxxxxxxx, upstream@xxxxxxxxxxxx, Paweł Anikiel <pan@xxxxxxxxxxxx>
- In-reply-to: <20230414140203.707729-1-pan@semihalf.com>
- References: <20230414140203.707729-1-pan@semihalf.com>
The SSM2603 has a hardware mute pin. Add an optional mute gpio to control it. Signed-off-by: Paweł Anikiel <pan@xxxxxxxxxxxx> --- sound/soc/codecs/ssm2602.c | 11 +++++++++++ 1 file changed, 11 insertions(+) diff --git a/sound/soc/codecs/ssm2602.c b/sound/soc/codecs/ssm2602.c index 35c4743e756e..dd81e62d7a3b 100644 --- a/sound/soc/codecs/ssm2602.c +++ b/sound/soc/codecs/ssm2602.c @@ -14,6 +14,7 @@ #include <linux/delay.h> #include <linux/module.h> #include <linux/regmap.h> +#include <linux/gpio/consumer.h> #include <linux/slab.h> #include <sound/pcm.h> @@ -32,6 +33,8 @@ struct ssm2602_priv { enum ssm2602_type type; unsigned int clk_out_pwr; + + struct gpio_desc *mute_gpiod; }; /* @@ -352,6 +355,10 @@ static int ssm2602_mute(struct snd_soc_dai *dai, int mute, int direction) else regmap_update_bits(ssm2602->regmap, SSM2602_APDIGI, APDIGI_ENABLE_DAC_MUTE, 0); + + if (ssm2602->mute_gpiod) + gpiod_set_value_cansleep(ssm2602->mute_gpiod, mute); + return 0; } @@ -680,6 +687,10 @@ int ssm2602_probe(struct device *dev, enum ssm2602_type type, ssm2602->type = type; ssm2602->regmap = regmap; + ssm2602->mute_gpiod = devm_gpiod_get_optional(dev, "mute", GPIOD_OUT_LOW); + if (IS_ERR(ssm2602->mute_gpiod)) + return PTR_ERR(ssm2602->mute_gpiod); + return devm_snd_soc_register_component(dev, &soc_component_dev_ssm2602, &ssm2602_dai, 1); } -- 2.40.0.634.g4ca3ef3211-goog
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