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| author | Takashi Iwai <tiwai@suse.de> | 2006-08-23 19:53:28 +0200 |
|---|---|---|
| committer | Jaroslav Kysela <perex@suse.cz> | 2006-09-23 10:44:12 +0200 |
| commit | 1186ed8c7dc9c0185e783beddf241509cc224f1a (patch) | |
| tree | f24bf18a5d860ab9a4655c6bc8f67a6eb4a2b667 /sound/drivers | |
| parent | c6ff77f71fe692fa48fe02dbfe74a01f3d5e55e2 (diff) | |
| download | lwn-1186ed8c7dc9c0185e783beddf241509cc224f1a.tar.gz lwn-1186ed8c7dc9c0185e783beddf241509cc224f1a.zip | |
[ALSA] Add dB scale information to vxpocket and vx222 drivers
Added the dB scale information to vxpocket and vx222 drivers.
Signed-off-by: Takashi Iwai <tiwai@suse.de>
Signed-off-by: Jaroslav Kysela <perex@suse.cz>
Diffstat (limited to 'sound/drivers')
| -rw-r--r-- | sound/drivers/vx/vx_mixer.c | 17 |
1 files changed, 15 insertions, 2 deletions
diff --git a/sound/drivers/vx/vx_mixer.c b/sound/drivers/vx/vx_mixer.c index c1d7fcdd1973..1613ed844ac6 100644 --- a/sound/drivers/vx/vx_mixer.c +++ b/sound/drivers/vx/vx_mixer.c @@ -23,6 +23,7 @@ #include <sound/driver.h> #include <sound/core.h> #include <sound/control.h> +#include <sound/tlv.h> #include <sound/vx_core.h> #include "vx_cmd.h" @@ -455,10 +456,13 @@ static int vx_output_level_put(struct snd_kcontrol *kcontrol, struct snd_ctl_ele static struct snd_kcontrol_new vx_control_output_level = { .iface = SNDRV_CTL_ELEM_IFACE_MIXER, + .access = (SNDRV_CTL_ELEM_ACCESS_READWRITE | + SNDRV_CTL_ELEM_ACCESS_TLV_READ), .name = "Master Playback Volume", .info = vx_output_level_info, .get = vx_output_level_get, .put = vx_output_level_put, + /* tlv will be filled later */ }; /* @@ -712,12 +716,17 @@ static int vx_monitor_sw_put(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_ return 0; } +static DECLARE_TLV_DB_SCALE(db_scale_audio_gain, -10975, 25, 0); + static struct snd_kcontrol_new vx_control_audio_gain = { .iface = SNDRV_CTL_ELEM_IFACE_MIXER, + .access = (SNDRV_CTL_ELEM_ACCESS_READWRITE | + SNDRV_CTL_ELEM_ACCESS_TLV_READ), /* name will be filled later */ .info = vx_audio_gain_info, .get = vx_audio_gain_get, - .put = vx_audio_gain_put + .put = vx_audio_gain_put, + .tlv = { .p = db_scale_audio_gain }, }; static struct snd_kcontrol_new vx_control_output_switch = { .iface = SNDRV_CTL_ELEM_IFACE_MIXER, @@ -729,9 +738,12 @@ static struct snd_kcontrol_new vx_control_output_switch = { static struct snd_kcontrol_new vx_control_monitor_gain = { .iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = "Monitoring Volume", + .access = (SNDRV_CTL_ELEM_ACCESS_READWRITE | + SNDRV_CTL_ELEM_ACCESS_TLV_READ), .info = vx_audio_gain_info, /* shared */ .get = vx_audio_monitor_get, - .put = vx_audio_monitor_put + .put = vx_audio_monitor_put, + .tlv = { .p = db_scale_audio_gain }, }; static struct snd_kcontrol_new vx_control_monitor_switch = { .iface = SNDRV_CTL_ELEM_IFACE_MIXER, @@ -918,6 +930,7 @@ int snd_vx_mixer_new(struct vx_core *chip) for (i = 0; i < chip->hw->num_outs; i++) { temp = vx_control_output_level; temp.index = i; + temp.tlv.p = chip->hw->output_level_db_scale; if ((err = snd_ctl_add(card, snd_ctl_new1(&temp, chip))) < 0) return err; } |