From 35a49934a7180fd80fb0bb3777d125dd939df50e Mon Sep 17 00:00:00 2001 From: Takashi Iwai Date: Fri, 1 Sep 2006 17:09:44 +0200 Subject: [ALSA] Add dB scale information to mixart driver Added the dB scale information to mixart driver. Signed-off-by: Takashi Iwai Signed-off-by: Jaroslav Kysela --- sound/pci/mixart/mixart_mixer.c | 14 ++++++++++++++ 1 file changed, 14 insertions(+) (limited to 'sound') diff --git a/sound/pci/mixart/mixart_mixer.c b/sound/pci/mixart/mixart_mixer.c index ed47b732c10..13de0f71d4b 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 +#include #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 }, }; /* -- cgit v1.2.3