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| author | Takashi Iwai <tiwai@suse.de> | 2006-08-21 18:44:54 +0200 |
|---|---|---|
| committer | Jaroslav Kysela <perex@suse.cz> | 2006-09-23 10:42:56 +0200 |
| commit | 7058c042001e111c601e1b031d9bcb8b5d392b74 (patch) | |
| tree | 2ceb87b23ef88ec3b39b69b583ab809830e6152e /sound/pci/via82xx.c | |
| parent | 2f3482fbbd5dac7d0e86fe5b7ac5c1e51d52b084 (diff) | |
| download | lwn-7058c042001e111c601e1b031d9bcb8b5d392b74.tar.gz lwn-7058c042001e111c601e1b031d9bcb8b5d392b74.zip | |
[ALSA] Added TLV support to VIA82xx driver
Added the TLV support to VIA82xx driver for addition of
dB range information.
Signed-off-by: Takashi Iwai <tiwai@suse.de>
Signed-off-by: Jaroslav Kysela <perex@suse.cz>
Diffstat (limited to 'sound/pci/via82xx.c')
| -rw-r--r-- | sound/pci/via82xx.c | 9 |
1 files changed, 9 insertions, 0 deletions
diff --git a/sound/pci/via82xx.c b/sound/pci/via82xx.c index e0e3bfd7a2db..6db3d4cc4d8d 100644 --- a/sound/pci/via82xx.c +++ b/sound/pci/via82xx.c @@ -59,6 +59,7 @@ #include <sound/pcm.h> #include <sound/pcm_params.h> #include <sound/info.h> +#include <sound/tlv.h> #include <sound/ac97_codec.h> #include <sound/mpu401.h> #include <sound/initval.h> @@ -1698,21 +1699,29 @@ static int snd_via8233_pcmdxs_volume_put(struct snd_kcontrol *kcontrol, return change; } +static DECLARE_TLV_DB_SCALE(db_scale_dxs, -9450, 150, 1); + static struct snd_kcontrol_new snd_via8233_pcmdxs_volume_control __devinitdata = { .name = "PCM Playback Volume", .iface = SNDRV_CTL_ELEM_IFACE_MIXER, + .access = (SNDRV_CTL_ELEM_ACCESS_READWRITE | + SNDRV_CTL_ELEM_ACCESS_TLV_READ), .info = snd_via8233_dxs_volume_info, .get = snd_via8233_pcmdxs_volume_get, .put = snd_via8233_pcmdxs_volume_put, + .tlv = { .p = db_scale_dxs } }; static struct snd_kcontrol_new snd_via8233_dxs_volume_control __devinitdata = { .name = "VIA DXS Playback Volume", .iface = SNDRV_CTL_ELEM_IFACE_MIXER, + .access = (SNDRV_CTL_ELEM_ACCESS_READWRITE | + SNDRV_CTL_ELEM_ACCESS_TLV_READ), .count = 4, .info = snd_via8233_dxs_volume_info, .get = snd_via8233_dxs_volume_get, .put = snd_via8233_dxs_volume_put, + .tlv = { .p = db_scale_dxs } }; /* |