It'll be used for adding hooks in later patches.
Signed-off-by: Takashi Iwai tiwai@suse.de --- sound/pci/hda/hda_codec.c | 9 ++++++++- sound/pci/hda/hda_local.h | 7 ++++--- sound/pci/hda/patch_analog.c | 2 +- 3 files changed, 13 insertions(+), 5 deletions(-)
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 @@ static int init_slave_unmute(void *data, struct snd_kcontrol *slave) * @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 @@ static int init_slave_unmute(void *data, struct snd_kcontrol *slave) */ 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 @@ int __snd_hda_add_vmaster(struct hda_codec *codec, char *name, 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 @@ void snd_hda_set_vmaster_tlv(struct hda_codec *codec, hda_nid_t nid, int dir, 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 @@ static int ad198x_build_controls(struct hda_codec *codec) (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; }