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Subject[PATCH 4.9 50/66] ASoC: wm8958: Fix change notifications for DSP controls
Date
From: Mark Brown <broonie@kernel.org>

commit b4f5c6b2e52b27462c0599e64e96e53b58438de1 upstream.

The WM8958 DSP controls all return 0 on successful write, not a boolean
value indicating if the write changed the value of the control. Fix this
by returning 1 after a change, there is already a check at the start of
each put() that skips the function in the case that there is no change.

Signed-off-by: Mark Brown <broonie@kernel.org>
Acked-by: Charles Keepax <ckeepax@opensource.cirrus.com>
Link: https://lore.kernel.org/r/20220416125408.197440-1-broonie@kernel.org
Cc: stable@vger.kernel.org
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
---
sound/soc/codecs/wm8958-dsp2.c | 8 ++++----
1 file changed, 4 insertions(+), 4 deletions(-)

--- a/sound/soc/codecs/wm8958-dsp2.c
+++ b/sound/soc/codecs/wm8958-dsp2.c
@@ -533,7 +533,7 @@ static int wm8958_mbc_put(struct snd_kco

wm8958_dsp_apply(codec, mbc, wm8994->mbc_ena[mbc]);

- return 0;
+ return 1;
}

#define WM8958_MBC_SWITCH(xname, xval) {\
@@ -659,7 +659,7 @@ static int wm8958_vss_put(struct snd_kco

wm8958_dsp_apply(codec, vss, wm8994->vss_ena[vss]);

- return 0;
+ return 1;
}


@@ -733,7 +733,7 @@ static int wm8958_hpf_put(struct snd_kco

wm8958_dsp_apply(codec, hpf % 3, ucontrol->value.integer.value[0]);

- return 0;
+ return 1;
}

#define WM8958_HPF_SWITCH(xname, xval) {\
@@ -827,7 +827,7 @@ static int wm8958_enh_eq_put(struct snd_

wm8958_dsp_apply(codec, eq, ucontrol->value.integer.value[0]);

- return 0;
+ return 1;
}

#define WM8958_ENH_EQ_SWITCH(xname, xval) {\

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