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ALSA: hda - Move bind-mixer switch codes to generic parser

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The generic parser is the only user of the bind-mixer controls, so we
can move the code there and clean up the core helper.

Reviewed-by: Takashi Sakamoto <o-takashi@sakamocchi.jp>
Signed-off-by: Takashi Iwai <tiwai@suse.de>
This commit is contained in:
Takashi Iwai
2017-05-10 12:13:45 +02:00
parent a717777dbf
commit 698f5ee33b
3 changed files with 44 additions and 85 deletions
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66
sound/pci/hda/hda_codec.c
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@@ -2117,72 +2117,6 @@ int snd_hda_mixer_amp_switch_put(struct snd_kcontrol *kcontrol,
}
EXPORT_SYMBOL_GPL(snd_hda_mixer_amp_switch_put);
/*
* bound volume controls
*
* bind multiple volumes (# indices, from 0)
*/
#define AMP_VAL_IDX_SHIFT 19
#define AMP_VAL_IDX_MASK (0x0f<<19)
/**
* snd_hda_mixer_bind_switch_get - Get callback for a bound volume control
* @kcontrol: ctl element
* @ucontrol: pointer to get/store the data
*
* The control element is supposed to have the private_value field
* set up via HDA_BIND_MUTE*() macros.
*/
int snd_hda_mixer_bind_switch_get(struct snd_kcontrol *kcontrol,
struct snd_ctl_elem_value *ucontrol)
{
struct hda_codec *codec = snd_kcontrol_chip(kcontrol);
unsigned long pval;
int err;
mutex_lock(&codec->control_mutex);
pval = kcontrol->private_value;
kcontrol->private_value = pval & ~AMP_VAL_IDX_MASK; /* index 0 */
err = snd_hda_mixer_amp_switch_get(kcontrol, ucontrol);
kcontrol->private_value = pval;
mutex_unlock(&codec->control_mutex);
return err;
}
EXPORT_SYMBOL_GPL(snd_hda_mixer_bind_switch_get);
/**
* snd_hda_mixer_bind_switch_put - Put callback for a bound volume control
* @kcontrol: ctl element
* @ucontrol: pointer to get/store the data
*
* The control element is supposed to have the private_value field
* set up via HDA_BIND_MUTE*() macros.
*/
int snd_hda_mixer_bind_switch_put(struct snd_kcontrol *kcontrol,
struct snd_ctl_elem_value *ucontrol)
{
struct hda_codec *codec = snd_kcontrol_chip(kcontrol);
unsigned long pval;
int i, indices, err = 0, change = 0;
mutex_lock(&codec->control_mutex);
pval = kcontrol->private_value;
indices = (pval & AMP_VAL_IDX_MASK) >> AMP_VAL_IDX_SHIFT;
for (i = 0; i < indices; i++) {
kcontrol->private_value = (pval & ~AMP_VAL_IDX_MASK) |
(i << AMP_VAL_IDX_SHIFT);
err = snd_hda_mixer_amp_switch_put(kcontrol, ucontrol);
if (err < 0)
break;
change |= err;
}
kcontrol->private_value = pval;
mutex_unlock(&codec->control_mutex);
return err < 0 ? err : change;
}
EXPORT_SYMBOL_GPL(snd_hda_mixer_bind_switch_put);
/**
* snd_hda_mixer_bind_ctls_info - Info callback for a generic bound control
* @kcontrol: referred ctl element