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| author | Takashi Iwai <tiwai@suse.de> | 2006-09-01 17:09:44 +0200 |
|---|---|---|
| committer | Jaroslav Kysela <perex@suse.cz> | 2006-09-23 10:45:37 +0200 |
| commit | 35a49934a7180fd80fb0bb3777d125dd939df50e (patch) | |
| tree | d52c57ca6531555182d3082ebb509f5f3840a1d4 | |
| parent | 2fd53a7e9b1392f9cc3002a24f3c13b2796e70c3 (diff) | |
| download | lwn-35a49934a7180fd80fb0bb3777d125dd939df50e.tar.gz lwn-35a49934a7180fd80fb0bb3777d125dd939df50e.zip | |
[ALSA] Add dB scale information to mixart driver
Added the dB scale information to mixart driver.
Signed-off-by: Takashi Iwai <tiwai@suse.de>
Signed-off-by: Jaroslav Kysela <perex@suse.cz>
| -rw-r--r-- | sound/pci/mixart/mixart_mixer.c | 14 |
1 files changed, 14 insertions, 0 deletions
diff --git a/sound/pci/mixart/mixart_mixer.c b/sound/pci/mixart/mixart_mixer.c index ed47b732c103..13de0f71d4b7 100644 --- a/sound/pci/mixart/mixart_mixer.c +++ b/sound/pci/mixart/mixart_mixer.c @@ -31,6 +31,7 @@ #include "mixart_core.h" #include "mixart_hwdep.h" #include <sound/control.h> +#include <sound/tlv.h> #include "mixart_mixer.h" static u32 mixart_analog_level[256] = { @@ -388,12 +389,17 @@ static int mixart_analog_vol_put(struct snd_kcontrol *kcontrol, struct snd_ctl_e return changed; } +static DECLARE_TLV_DB_SCALE(db_scale_analog, -9600, 50, 0); + static struct snd_kcontrol_new mixart_control_analog_level = { .iface = SNDRV_CTL_ELEM_IFACE_MIXER, + .access = (SNDRV_CTL_ELEM_ACCESS_READWRITE | + SNDRV_CTL_ELEM_ACCESS_TLV_READ), /* name will be filled later */ .info = mixart_analog_vol_info, .get = mixart_analog_vol_get, .put = mixart_analog_vol_put, + .tlv = { .p = db_scale_analog }, }; /* shared */ @@ -866,14 +872,19 @@ static int mixart_pcm_vol_put(struct snd_kcontrol *kcontrol, struct snd_ctl_elem return changed; } +static DECLARE_TLV_DB_SCALE(db_scale_digital, -10950, 50, 0); + static struct snd_kcontrol_new snd_mixart_pcm_vol = { .iface = SNDRV_CTL_ELEM_IFACE_MIXER, + .access = (SNDRV_CTL_ELEM_ACCESS_READWRITE | + SNDRV_CTL_ELEM_ACCESS_TLV_READ), /* name will be filled later */ /* count will be filled later */ .info = mixart_digital_vol_info, /* shared */ .get = mixart_pcm_vol_get, .put = mixart_pcm_vol_put, + .tlv = { .p = db_scale_digital }, }; @@ -984,10 +995,13 @@ static int mixart_monitor_vol_put(struct snd_kcontrol *kcontrol, struct snd_ctl_ static struct snd_kcontrol_new mixart_control_monitor_vol = { .iface = SNDRV_CTL_ELEM_IFACE_MIXER, + .access = (SNDRV_CTL_ELEM_ACCESS_READWRITE | + SNDRV_CTL_ELEM_ACCESS_TLV_READ), .name = "Monitoring Volume", .info = mixart_digital_vol_info, /* shared */ .get = mixart_monitor_vol_get, .put = mixart_monitor_vol_put, + .tlv = { .p = db_scale_digital }, }; /* |