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Message-ID: <20220621102041.1713504-2-ckeepax@opensource.cirrus.com>
Date: Tue, 21 Jun 2022 11:20:39 +0100
From: Charles Keepax <ckeepax@...nsource.cirrus.com>
To: <broonie@...nel.org>
CC: <james.schulman@...rus.com>, <david.rhodes@...rus.com>,
<lgirdwood@...il.com>, <alsa-devel@...a-project.org>,
<patches@...nsource.cirrus.com>, <linux-kernel@...r.kernel.org>
Subject: [PATCH 2/4] ASoC: wm5110: Fix DRE control
The DRE controls on wm5110 should return a value of 1 if the DRE state
is actually changed, update to fix this.
Signed-off-by: Charles Keepax <ckeepax@...nsource.cirrus.com>
---
sound/soc/codecs/wm5110.c | 8 ++++++--
1 file changed, 6 insertions(+), 2 deletions(-)
diff --git a/sound/soc/codecs/wm5110.c b/sound/soc/codecs/wm5110.c
index 4973ba1ed7791..4ab7a672f8de8 100644
--- a/sound/soc/codecs/wm5110.c
+++ b/sound/soc/codecs/wm5110.c
@@ -413,6 +413,7 @@ static int wm5110_put_dre(struct snd_kcontrol *kcontrol,
unsigned int rnew = (!!ucontrol->value.integer.value[1]) << mc->rshift;
unsigned int lold, rold;
unsigned int lena, rena;
+ bool change = false;
int ret;
snd_soc_dapm_mutex_lock(dapm);
@@ -440,8 +441,8 @@ static int wm5110_put_dre(struct snd_kcontrol *kcontrol,
goto err;
}
- ret = regmap_update_bits(arizona->regmap, ARIZONA_DRE_ENABLE,
- mask, lnew | rnew);
+ ret = regmap_update_bits_check(arizona->regmap, ARIZONA_DRE_ENABLE,
+ mask, lnew | rnew, &change);
if (ret) {
dev_err(arizona->dev, "Failed to set DRE: %d\n", ret);
goto err;
@@ -454,6 +455,9 @@ static int wm5110_put_dre(struct snd_kcontrol *kcontrol,
if (!rnew && rold)
wm5110_clear_pga_volume(arizona, mc->rshift);
+ if (change)
+ ret = 1;
+
err:
snd_soc_dapm_mutex_unlock(dapm);
--
2.30.2
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