diff options
| author | Takashi Iwai <tiwai@suse.de> | 2006-08-23 19:53:02 +0200 |
|---|---|---|
| committer | Jaroslav Kysela <perex@suse.cz> | 2006-09-23 10:44:05 +0200 |
| commit | c6ff77f71fe692fa48fe02dbfe74a01f3d5e55e2 (patch) | |
| tree | 4c2f87ba3e36ba9f2af6023e1eecfd9d87f4387e | |
| parent | 3479307f8ca3cbf4181b8bf7d8c824156a9e63b7 (diff) | |
[ALSA] Add dB scale information to pcxhr driver
Added the dB scale information to pcxhr driver.
Signed-off-by: Takashi Iwai <tiwai@suse.de>
Signed-off-by: Jaroslav Kysela <perex@suse.cz>
| -rw-r--r-- | sound/pci/pcxhr/pcxhr_mixer.c | 16 |
1 files changed, 16 insertions, 0 deletions
diff --git a/sound/pci/pcxhr/pcxhr_mixer.c b/sound/pci/pcxhr/pcxhr_mixer.c index 94e63a1e90d9..b133ad9e095e 100644 --- a/sound/pci/pcxhr/pcxhr_mixer.c +++ b/sound/pci/pcxhr/pcxhr_mixer.c @@ -31,6 +31,7 @@ #include "pcxhr_hwdep.h" #include "pcxhr_core.h" #include <sound/control.h> +#include <sound/tlv.h> #include <sound/asoundef.h> #include "pcxhr_mixer.h" @@ -43,6 +44,9 @@ #define PCXHR_ANALOG_PLAYBACK_LEVEL_MAX 128 /* 0.0 dB */ #define PCXHR_ANALOG_PLAYBACK_ZERO_LEVEL 104 /* -24.0 dB ( 0.0 dB - fix level +24.0 dB ) */ +static DECLARE_TLV_DB_SCALE(db_scale_analog_capture, -9600, 50, 0); +static DECLARE_TLV_DB_SCALE(db_scale_analog_playback, -12800, 100, 0); + static int pcxhr_update_analog_audio_level(struct snd_pcxhr *chip, int is_capture, int channel) { int err, vol; @@ -130,10 +134,13 @@ static int pcxhr_analog_vol_put(struct snd_kcontrol *kcontrol, static struct snd_kcontrol_new pcxhr_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 = pcxhr_analog_vol_info, .get = pcxhr_analog_vol_get, .put = pcxhr_analog_vol_put, + /* tlv will be filled later */ }; /* shared */ @@ -188,6 +195,7 @@ static struct snd_kcontrol_new pcxhr_control_output_switch = { #define PCXHR_DIGITAL_LEVEL_MAX 0x1ff /* +18 dB */ #define PCXHR_DIGITAL_ZERO_LEVEL 0x1b7 /* 0 dB */ +static DECLARE_TLV_DB_SCALE(db_scale_digital, -10950, 50, 0); #define MORE_THAN_ONE_STREAM_LEVEL 0x000001 #define VALID_STREAM_PAN_LEVEL_MASK 0x800000 @@ -343,11 +351,14 @@ static int pcxhr_pcm_vol_put(struct snd_kcontrol *kcontrol, static struct snd_kcontrol_new snd_pcxhr_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 = pcxhr_digital_vol_info, /* shared */ .get = pcxhr_pcm_vol_get, .put = pcxhr_pcm_vol_put, + .tlv = { .p = db_scale_digital }, }; @@ -433,10 +444,13 @@ static int pcxhr_monitor_vol_put(struct snd_kcontrol *kcontrol, static struct snd_kcontrol_new pcxhr_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 = pcxhr_digital_vol_info, /* shared */ .get = pcxhr_monitor_vol_get, .put = pcxhr_monitor_vol_put, + .tlv = { .p = db_scale_digital }, }; /* @@ -928,6 +942,7 @@ int pcxhr_create_mixer(struct pcxhr_mgr *mgr) temp = pcxhr_control_analog_level; temp.name = "Master Playback Volume"; temp.private_value = 0; /* playback */ + temp.tlv.p = db_scale_analog_playback; if ((err = snd_ctl_add(chip->card, snd_ctl_new1(&temp, chip))) < 0) return err; /* output mute controls */ @@ -963,6 +978,7 @@ int pcxhr_create_mixer(struct pcxhr_mgr *mgr) temp = pcxhr_control_analog_level; temp.name = "Master Capture Volume"; temp.private_value = 1; /* capture */ + temp.tlv.p = db_scale_analog_capture; if ((err = snd_ctl_add(chip->card, snd_ctl_new1(&temp, chip))) < 0) return err; |