ALSA: hda - Return the created kcontrol in __snd_hda_add_vmaster()
It'll be used for adding hooks in later patches.
Signed-off-by: Takashi Iwai <tiwai@suse.de>
diff --git a/sound/pci/hda/hda_codec.c b/sound/pci/hda/hda_codec.c
index 0c0ac0e..b79ee34 100644
--- a/sound/pci/hda/hda_codec.c
+++ b/sound/pci/hda/hda_codec.c
@@ -2399,6 +2399,7 @@
* @slaves: slave control names (optional)
* @suffix: suffix string to each slave name (optional)
* @init_slave_vol: initialize slaves to unmute/0dB
+ * @ctl_ret: store the vmaster kcontrol in return
*
* Create a virtual master control with the given name. The TLV data
* must be either NULL or a valid data.
@@ -2411,11 +2412,15 @@
*/
int __snd_hda_add_vmaster(struct hda_codec *codec, char *name,
unsigned int *tlv, const char * const *slaves,
- const char *suffix, bool init_slave_vol)
+ const char *suffix, bool init_slave_vol,
+ struct snd_kcontrol **ctl_ret)
{
struct snd_kcontrol *kctl;
int err;
+ if (ctl_ret)
+ *ctl_ret = NULL;
+
err = map_slaves(codec, slaves, suffix, check_slave_present, NULL);
if (err != 1) {
snd_printdd("No slave found for %s\n", name);
@@ -2439,6 +2444,8 @@
map_slaves(codec, slaves, suffix,
tlv ? init_slave_0dB : init_slave_unmute, kctl);
+ if (ctl_ret)
+ *ctl_ret = kctl;
return 0;
}
EXPORT_SYMBOL_HDA(__snd_hda_add_vmaster);
diff --git a/sound/pci/hda/hda_local.h b/sound/pci/hda/hda_local.h
index caa6468..c3ee4ed 100644
--- a/sound/pci/hda/hda_local.h
+++ b/sound/pci/hda/hda_local.h
@@ -140,10 +140,11 @@
struct snd_kcontrol *snd_hda_find_mixer_ctl(struct hda_codec *codec,
const char *name);
int __snd_hda_add_vmaster(struct hda_codec *codec, char *name,
- unsigned int *tlv, const char * const *slaves,
- const char *suffix, bool init_slave_vol);
+ unsigned int *tlv, const char * const *slaves,
+ const char *suffix, bool init_slave_vol,
+ struct snd_kcontrol **ctl_ret);
#define snd_hda_add_vmaster(codec, name, tlv, slaves, suffix) \
- __snd_hda_add_vmaster(codec, name, tlv, slaves, suffix, true)
+ __snd_hda_add_vmaster(codec, name, tlv, slaves, suffix, true, NULL)
int snd_hda_codec_reset(struct hda_codec *codec);
/* amp value bits */
diff --git a/sound/pci/hda/patch_analog.c b/sound/pci/hda/patch_analog.c
index fa97a0c..7143393 100644
--- a/sound/pci/hda/patch_analog.c
+++ b/sound/pci/hda/patch_analog.c
@@ -229,7 +229,7 @@
(spec->slave_vols ?
spec->slave_vols : ad_slave_pfxs),
"Playback Volume",
- !spec->avoid_init_slave_vol);
+ !spec->avoid_init_slave_vol, NULL);
if (err < 0)
return err;
}