linux-kernel - [PATCH] ASoC: codecs: wsa883x: Use proper shutdown GPIO values

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Message-Id: <20221109163740.1158785-1-krzysztof.kozlowski@linaro.org>
Date:   Wed,  9 Nov 2022 17:37:40 +0100
From:   Krzysztof Kozlowski <krzysztof.kozlowski@...aro.org>
To:     Srinivas Kandagatla <srinivas.kandagatla@...aro.org>,
        Banajit Goswami <bgoswami@...cinc.com>,
        Liam Girdwood <lgirdwood@...il.com>,
        Mark Brown <broonie@...nel.org>,
        Jaroslav Kysela <perex@...ex.cz>,
        Takashi Iwai <tiwai@...e.com>, alsa-devel@...a-project.org,
        linux-kernel@...r.kernel.org
Cc:     Krzysztof Kozlowski <krzysztof.kozlowski@...aro.org>
Subject: [PATCH] ASoC: codecs: wsa883x: Use proper shutdown GPIO values

The shutdown GPIO is active_low (sd_n), but this depends on actual board
layout.  Linux drivers should only care about logical state, where high
(1) means shutdown and low (0) means do not shutdown.

Invert the GPIO to match logical value.

Fixes: 43b8c7dc85a1 ("ASoC: codecs: add wsa883x amplifier support")
Signed-off-by: Krzysztof Kozlowski <krzysztof.kozlowski@...aro.org>
---
 sound/soc/codecs/wsa883x.c | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/sound/soc/codecs/wsa883x.c b/sound/soc/codecs/wsa883x.c
index c7b10bbfba7e..77a7dd3cf495 100644
--- a/sound/soc/codecs/wsa883x.c
+++ b/sound/soc/codecs/wsa883x.c
@@ -1392,7 +1392,7 @@ static int wsa883x_probe(struct sdw_slave *pdev,
 	}
 
 	wsa883x->sd_n = devm_gpiod_get_optional(&pdev->dev, "powerdown",
-						GPIOD_FLAGS_BIT_NONEXCLUSIVE);
+						GPIOD_FLAGS_BIT_NONEXCLUSIVE | GPIOD_OUT_HIGH);
 	if (IS_ERR(wsa883x->sd_n)) {
 		dev_err(&pdev->dev, "Shutdown Control GPIO not found\n");
 		ret = PTR_ERR(wsa883x->sd_n);
@@ -1411,7 +1411,7 @@ static int wsa883x_probe(struct sdw_slave *pdev,
 	pdev->prop.simple_clk_stop_capable = true;
 	pdev->prop.sink_dpn_prop = wsa_sink_dpn_prop;
 	pdev->prop.scp_int1_mask = SDW_SCP_INT1_BUS_CLASH | SDW_SCP_INT1_PARITY;
-	gpiod_direction_output(wsa883x->sd_n, 1);
+	gpiod_direction_output(wsa883x->sd_n, 0);
 
 	wsa883x->regmap = devm_regmap_init_sdw(pdev, &wsa883x_regmap_config);
 	if (IS_ERR(wsa883x->regmap)) {
-- 
2.34.1