linux-kernel - [PATCH v2 2/2] ASoC: codecs: aw88261: Remove non-existing reset gpio

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Date:   Mon, 02 Oct 2023 16:00:12 +0200
From:   Luca Weiss <luca.weiss@...rphone.com>
To:     Weidong Wang <wangweidong.a@...nic.com>,
        Liam Girdwood <lgirdwood@...il.com>,
        Mark Brown <broonie@...nel.org>,
        Jaroslav Kysela <perex@...ex.cz>,
        Takashi Iwai <tiwai@...e.com>,
        Rob Herring <robh+dt@...nel.org>,
        Krzysztof Kozlowski <krzysztof.kozlowski+dt@...aro.org>,
        Conor Dooley <conor+dt@...nel.org>
Cc:     ~postmarketos/upstreaming@...ts.sr.ht, phone-devel@...r.kernel.org,
        alsa-devel@...a-project.org, linux-kernel@...r.kernel.org,
        devicetree@...r.kernel.org, Luca Weiss <luca.weiss@...rphone.com>
Subject: [PATCH v2 2/2] ASoC: codecs: aw88261: Remove non-existing reset
 gpio

According to the AW88261 datasheet (V1.1) and device schematics I have
access to, there is no reset gpio present on the AW88261. Remove it.

Signed-off-by: Luca Weiss <luca.weiss@...rphone.com>
---
 sound/soc/codecs/aw88261.c | 15 ---------------
 1 file changed, 15 deletions(-)

diff --git a/sound/soc/codecs/aw88261.c b/sound/soc/codecs/aw88261.c
index 45eaf931a69c..e7683f70c2ef 100644
--- a/sound/soc/codecs/aw88261.c
+++ b/sound/soc/codecs/aw88261.c
@@ -10,7 +10,6 @@
 
 #include <linux/i2c.h>
 #include <linux/firmware.h>
-#include <linux/of_gpio.h>
 #include <linux/regmap.h>
 #include <sound/soc.h>
 #include "aw88261.h"
@@ -1175,14 +1174,6 @@ static const struct snd_soc_component_driver soc_codec_dev_aw88261 = {
 	.remove = aw88261_codec_remove,
 };
 
-static void aw88261_hw_reset(struct aw88261 *aw88261)
-{
-	gpiod_set_value_cansleep(aw88261->reset_gpio, 0);
-	usleep_range(AW88261_1000_US, AW88261_1000_US + 10);
-	gpiod_set_value_cansleep(aw88261->reset_gpio, 1);
-	usleep_range(AW88261_1000_US, AW88261_1000_US + 10);
-}
-
 static void aw88261_parse_channel_dt(struct aw88261 *aw88261)
 {
 	struct aw_device *aw_dev = aw88261->aw_pa;
@@ -1254,12 +1245,6 @@ static int aw88261_i2c_probe(struct i2c_client *i2c)
 
 	i2c_set_clientdata(i2c, aw88261);
 
-	aw88261->reset_gpio = devm_gpiod_get_optional(&i2c->dev, "reset", GPIOD_OUT_LOW);
-	if (IS_ERR(aw88261->reset_gpio))
-		dev_info(&i2c->dev, "reset gpio not defined\n");
-	else
-		aw88261_hw_reset(aw88261);
-
 	aw88261->regmap = devm_regmap_init_i2c(i2c, &aw88261_remap_config);
 	if (IS_ERR(aw88261->regmap)) {
 		ret = PTR_ERR(aw88261->regmap);

-- 
2.42.0