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From:   Greg Kroah-Hartman <gregkh@linuxfoundation.org>
To:     linux-kernel@vger.kernel.org
Cc:     Greg Kroah-Hartman <gregkh@linuxfoundation.org>,
        stable@vger.kernel.org,
        Srinivas Kandagatla <srinivas.kandagatla@linaro.org>,
        Mark Brown <broonie@kernel.org>,
        Sasha Levin <sashal@kernel.org>
Subject: [PATCH 5.15 321/913] ASoC: codecs: wcd938x: fix kcontrol max values
Date:   Tue,  5 Apr 2022 09:23:03 +0200
Message-Id: <20220405070349.472386499@linuxfoundation.org>
In-Reply-To: <20220405070339.801210740@linuxfoundation.org>
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From: Srinivas Kandagatla <srinivas.kandagatla@linaro.org>

[ Upstream commit b0217519236924f77a8382b4004e43ef8fd0dcbb ]

set "HPH Type" Kcontrol max value of WCD_MBHC_HPH_STEREO instead of UINT_MAX.
set "HPHL/R Impedance" Kcontrols max value to INT_MAX instead of UINT_MAX as
max field is integer type.

Without this patch amixer for these controls will show -1 as max value to userspace.

Fixes: bcee7ed09b8e ("ASoC: codecs: wcd938x: add Multi Button Headset Control support")
Signed-off-by: Srinivas Kandagatla <srinivas.kandagatla@linaro.org>
Link: https://lore.kernel.org/r/20220222183212.11580-8-srinivas.kandagatla@linaro.org
Signed-off-by: Mark Brown <broonie@kernel.org>
Signed-off-by: Sasha Levin <sashal@kernel.org>
---
 sound/soc/codecs/wcd938x.c | 6 +++---
 1 file changed, 3 insertions(+), 3 deletions(-)

diff --git a/sound/soc/codecs/wcd938x.c b/sound/soc/codecs/wcd938x.c
index 54671bbf7471..4480c118ed5d 100644
--- a/sound/soc/codecs/wcd938x.c
+++ b/sound/soc/codecs/wcd938x.c
@@ -3577,14 +3577,14 @@ static int wcd938x_hph_impedance_get(struct snd_kcontrol *kcontrol,
 }
 
 static const struct snd_kcontrol_new hph_type_detect_controls[] = {
-	SOC_SINGLE_EXT("HPH Type", 0, 0, UINT_MAX, 0,
+	SOC_SINGLE_EXT("HPH Type", 0, 0, WCD_MBHC_HPH_STEREO, 0,
 		       wcd938x_get_hph_type, NULL),
 };
 
 static const struct snd_kcontrol_new impedance_detect_controls[] = {
-	SOC_SINGLE_EXT("HPHL Impedance", 0, 0, UINT_MAX, 0,
+	SOC_SINGLE_EXT("HPHL Impedance", 0, 0, INT_MAX, 0,
 		       wcd938x_hph_impedance_get, NULL),
-	SOC_SINGLE_EXT("HPHR Impedance", 0, 1, UINT_MAX, 0,
+	SOC_SINGLE_EXT("HPHR Impedance", 0, 1, INT_MAX, 0,
 		       wcd938x_hph_impedance_get, NULL),
 };
 
-- 
2.34.1