diff options
| author | James Courtier-Dutton <James@superbug.co.uk> | 2006-07-22 17:02:10 +0100 |
|---|---|---|
| committer | Jaroslav Kysela <perex@suse.cz> | 2006-09-23 10:38:32 +0200 |
| commit | 31508f83f591dc8764427b6321c89f8f9e84bad2 (patch) | |
| tree | e8b131303a9397232b33fbaaf5591f097f93af35 /sound/pci/emu10k1/p16v.c | |
| parent | fff36e472b4315df77513f4339c5c199c6aad28b (diff) | |
[ALSA] snd-emu10k1: Implement dB gain infomation.
Signed-off-by: James Courtier-Dutton <James@superbug.co.uk>
Signed-off-by: Jaroslav Kysela <perex@suse.cz>
Diffstat (limited to 'sound/pci/emu10k1/p16v.c')
| -rw-r--r-- | sound/pci/emu10k1/p16v.c | 5 |
1 files changed, 5 insertions, 0 deletions
diff --git a/sound/pci/emu10k1/p16v.c b/sound/pci/emu10k1/p16v.c index 9905651935fb..1e44714b8623 100644 --- a/sound/pci/emu10k1/p16v.c +++ b/sound/pci/emu10k1/p16v.c @@ -100,6 +100,7 @@ #include <sound/pcm.h> #include <sound/ac97_codec.h> #include <sound/info.h> +#include <sound/tlv.h> #include <sound/emu10k1.h> #include "p16v.h" @@ -784,12 +785,16 @@ static int snd_p16v_capture_channel_put(struct snd_kcontrol *kcontrol, } return change; } +static DECLARE_TLV_DB_SCALE(snd_p16v_db_scale1, -5175, 25, 1); #define P16V_VOL(xname,xreg,xhl) { \ .iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = xname, \ + .access = SNDRV_CTL_ELEM_ACCESS_READWRITE | \ + SNDRV_CTL_ELEM_ACCESS_TLV_READ, \ .info = snd_p16v_volume_info, \ .get = snd_p16v_volume_get, \ .put = snd_p16v_volume_put, \ + .tlv.p = snd_p16v_db_scale1, \ .private_value = ((xreg) | ((xhl) << 8)) \ } |