linux-kernel - [PATCH] ASoC: codecs: wsa884x: allow sharing reset GPIO

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Message-Id: <20231018100055.140847-1-krzysztof.kozlowski@linaro.org>
Date:   Wed, 18 Oct 2023 12:00:55 +0200
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: wsa884x: allow sharing reset GPIO

On some boards with multiple WSA8840/WSA8845 speakers, the reset
(shutdown) GPIO is shared between two speakers.  Request it as
GPIOD_FLAGS_BIT_NONEXCLUSIVE to allow such configurations.

Signed-off-by: Krzysztof Kozlowski <krzysztof.kozlowski@...aro.org>
---
 sound/soc/codecs/wsa884x.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/sound/soc/codecs/wsa884x.c b/sound/soc/codecs/wsa884x.c
index 993d76b18b53..bee6e763c700 100644
--- a/sound/soc/codecs/wsa884x.c
+++ b/sound/soc/codecs/wsa884x.c
@@ -1844,7 +1844,7 @@ static int wsa884x_probe(struct sdw_slave *pdev,
 		return ret;
 
 	wsa884x->sd_n = devm_gpiod_get_optional(dev, "powerdown",
-						GPIOD_OUT_HIGH);
+						GPIOD_FLAGS_BIT_NONEXCLUSIVE | GPIOD_OUT_HIGH);
 	if (IS_ERR(wsa884x->sd_n))
 		return dev_err_probe(dev, PTR_ERR(wsa884x->sd_n),
 				     "Shutdown Control GPIO not found\n");
-- 
2.34.1