From da602ab8a10e47c59be1a7ce524aaa76b77c23b6 Mon Sep 17 00:00:00 2001 From: =?utf8?q?Beno=C3=AEt=20Th=C3=A9baudeau?= Date: Tue, 3 Jul 2012 20:18:17 +0200 Subject: [PATCH] ASoC: dapm: Remove incomplete stereo code MIME-Version: 1.0 Content-Type: text/plain; charset=utf8 Content-Transfer-Encoding: 8bit Stereo is not yet supported by dapm widgets, so remove stereo code from snd_soc_dapm_get_volsw(), and warn if stereo controls are detected. Signed-off-by: Benoît Thébaudeau Signed-off-by: Mark Brown --- sound/soc/soc-dapm.c | 22 ++++++++++++---------- 1 file changed, 12 insertions(+), 10 deletions(-) diff --git a/sound/soc/soc-dapm.c b/sound/soc/soc-dapm.c index 967066873aa..912330b147e 100644 --- a/sound/soc/soc-dapm.c +++ b/sound/soc/soc-dapm.c @@ -2464,23 +2464,20 @@ int snd_soc_dapm_get_volsw(struct snd_kcontrol *kcontrol, (struct soc_mixer_control *)kcontrol->private_value; unsigned int reg = mc->reg; unsigned int shift = mc->shift; - unsigned int rshift = mc->rshift; int max = mc->max; - unsigned int invert = mc->invert; unsigned int mask = (1 << fls(max)) - 1; + unsigned int invert = mc->invert; + + if (snd_soc_volsw_is_stereo(mc)) + dev_warn(widget->dapm->dev, + "Control '%s' is stereo, which is not supported\n", + kcontrol->id.name); ucontrol->value.integer.value[0] = (snd_soc_read(widget->codec, reg) >> shift) & mask; - if (shift != rshift) - ucontrol->value.integer.value[1] = - (snd_soc_read(widget->codec, reg) >> rshift) & mask; - if (invert) { + if (invert) ucontrol->value.integer.value[0] = max - ucontrol->value.integer.value[0]; - if (shift != rshift) - ucontrol->value.integer.value[1] = - max - ucontrol->value.integer.value[1]; - } return 0; } @@ -2514,6 +2511,11 @@ int snd_soc_dapm_put_volsw(struct snd_kcontrol *kcontrol, struct snd_soc_dapm_update update; int wi; + if (snd_soc_volsw_is_stereo(mc)) + dev_warn(widget->dapm->dev, + "Control '%s' is stereo, which is not supported\n", + kcontrol->id.name); + val = (ucontrol->value.integer.value[0] & mask); connect = !!val; -- 2.46.0