From a0aef8edfc9d6d682dba557fe42599297cbc329a Mon Sep 17 00:00:00 2001 From: Takashi Iwai Date: Wed, 23 Aug 2006 13:01:37 +0200 Subject: [PATCH] [ALSA] Add dB scale information to trident driver Added the dB scale information to trident driver. Signed-off-by: Takashi Iwai Signed-off-by: Jaroslav Kysela --- sound/pci/trident/trident_main.c | 10 ++++++++++ 1 file changed, 10 insertions(+) diff --git a/sound/pci/trident/trident_main.c b/sound/pci/trident/trident_main.c index 4930cc6b054d..ebbe12d78d8c 100644 --- a/sound/pci/trident/trident_main.c +++ b/sound/pci/trident/trident_main.c @@ -40,6 +40,7 @@ #include #include #include +#include #include #include @@ -2627,6 +2628,8 @@ static int snd_trident_vol_control_get(struct snd_kcontrol *kcontrol, return 0; } +static DECLARE_TLV_DB_SCALE(db_scale_gvol, -6375, 25, 0); + static int snd_trident_vol_control_put(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol) { @@ -2653,6 +2656,7 @@ static struct snd_kcontrol_new snd_trident_vol_music_control __devinitdata = .get = snd_trident_vol_control_get, .put = snd_trident_vol_control_put, .private_value = 16, + .tlv = { .p = db_scale_gvol }, }; static struct snd_kcontrol_new snd_trident_vol_wave_control __devinitdata = @@ -2663,6 +2667,7 @@ static struct snd_kcontrol_new snd_trident_vol_wave_control __devinitdata = .get = snd_trident_vol_control_get, .put = snd_trident_vol_control_put, .private_value = 0, + .tlv = { .p = db_scale_gvol }, }; /*--------------------------------------------------------------------------- @@ -2730,6 +2735,7 @@ static struct snd_kcontrol_new snd_trident_pcm_vol_control __devinitdata = .info = snd_trident_pcm_vol_control_info, .get = snd_trident_pcm_vol_control_get, .put = snd_trident_pcm_vol_control_put, + /* FIXME: no tlv yet */ }; /*--------------------------------------------------------------------------- @@ -2839,6 +2845,8 @@ static int snd_trident_pcm_rvol_control_put(struct snd_kcontrol *kcontrol, return change; } +static DECLARE_TLV_DB_SCALE(db_scale_crvol, -3175, 25, 1); + static struct snd_kcontrol_new snd_trident_pcm_rvol_control __devinitdata = { .iface = SNDRV_CTL_ELEM_IFACE_MIXER, @@ -2848,6 +2856,7 @@ static struct snd_kcontrol_new snd_trident_pcm_rvol_control __devinitdata = .info = snd_trident_pcm_rvol_control_info, .get = snd_trident_pcm_rvol_control_get, .put = snd_trident_pcm_rvol_control_put, + .tlv = { .p = db_scale_crvol }, }; /*--------------------------------------------------------------------------- @@ -2903,6 +2912,7 @@ static struct snd_kcontrol_new snd_trident_pcm_cvol_control __devinitdata = .info = snd_trident_pcm_cvol_control_info, .get = snd_trident_pcm_cvol_control_get, .put = snd_trident_pcm_cvol_control_put, + .tlv = { .p = db_scale_crvol }, }; static void snd_trident_notify_pcm_change1(struct snd_card *card, -- 2.20.1