diff options
author | Takashi Iwai <tiwai@suse.de> | 2009-09-10 09:33:06 -0400 |
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committer | Takashi Iwai <tiwai@suse.de> | 2009-09-10 09:33:06 -0400 |
commit | b34c8663940dfc7da767c42b37605e5ad3ae11f7 (patch) | |
tree | 3e6639dd10ec737651871649c14fff9798511afa /sound/core | |
parent | 3827119e207823ff0f3e85271bef7a0dc953ee38 (diff) | |
parent | eedbdf03a25ab3b2c332ad7fa205aa8ffbe477ba (diff) |
Merge branch 'topic/tlv-minmax' into for-linus
* topic/tlv-minmax:
ALSA: usb-audio - Correct bogus volume dB information
ALSA: usb-audio - Use the new TLV_DB_MINMAX type
ALSA: Add new TLV types for dBwith min/max
Diffstat (limited to 'sound/core')
-rw-r--r-- | sound/core/vmaster.c | 8 |
1 files changed, 6 insertions, 2 deletions
diff --git a/sound/core/vmaster.c b/sound/core/vmaster.c index 257624bd1997..3b9b550109cb 100644 --- a/sound/core/vmaster.c +++ b/sound/core/vmaster.c | |||
@@ -353,7 +353,8 @@ static void master_free(struct snd_kcontrol *kcontrol) | |||
353 | * | 353 | * |
354 | * The optional argument @tlv can be used to specify the TLV information | 354 | * The optional argument @tlv can be used to specify the TLV information |
355 | * for dB scale of the master control. It should be a single element | 355 | * for dB scale of the master control. It should be a single element |
356 | * with #SNDRV_CTL_TLVT_DB_SCALE type, and should be the max 0dB. | 356 | * with #SNDRV_CTL_TLVT_DB_SCALE, #SNDRV_CTL_TLV_DB_MINMAX or |
357 | * #SNDRV_CTL_TLVT_DB_MINMAX_MUTE type, and should be the max 0dB. | ||
357 | */ | 358 | */ |
358 | struct snd_kcontrol *snd_ctl_make_virtual_master(char *name, | 359 | struct snd_kcontrol *snd_ctl_make_virtual_master(char *name, |
359 | const unsigned int *tlv) | 360 | const unsigned int *tlv) |
@@ -384,7 +385,10 @@ struct snd_kcontrol *snd_ctl_make_virtual_master(char *name, | |||
384 | kctl->private_free = master_free; | 385 | kctl->private_free = master_free; |
385 | 386 | ||
386 | /* additional (constant) TLV read */ | 387 | /* additional (constant) TLV read */ |
387 | if (tlv && tlv[0] == SNDRV_CTL_TLVT_DB_SCALE) { | 388 | if (tlv && |
389 | (tlv[0] == SNDRV_CTL_TLVT_DB_SCALE || | ||
390 | tlv[0] == SNDRV_CTL_TLVT_DB_MINMAX || | ||
391 | tlv[0] == SNDRV_CTL_TLVT_DB_MINMAX_MUTE)) { | ||
388 | kctl->vd[0].access |= SNDRV_CTL_ELEM_ACCESS_TLV_READ; | 392 | kctl->vd[0].access |= SNDRV_CTL_ELEM_ACCESS_TLV_READ; |
389 | memcpy(master->tlv, tlv, sizeof(master->tlv)); | 393 | memcpy(master->tlv, tlv, sizeof(master->tlv)); |
390 | kctl->tlv.p = master->tlv; | 394 | kctl->tlv.p = master->tlv; |