Commit 7058c042 authored by Takashi Iwai's avatar Takashi Iwai Committed by Jaroslav Kysela

[ALSA] Added TLV support to VIA82xx driver

Added the TLV support to VIA82xx driver for addition of
dB range information.
Signed-off-by: default avatarTakashi Iwai <tiwai@suse.de>
Signed-off-by: default avatarJaroslav Kysela <perex@suse.cz>
parent 2f3482fb
...@@ -59,6 +59,7 @@ ...@@ -59,6 +59,7 @@
#include <sound/pcm.h> #include <sound/pcm.h>
#include <sound/pcm_params.h> #include <sound/pcm_params.h>
#include <sound/info.h> #include <sound/info.h>
#include <sound/tlv.h>
#include <sound/ac97_codec.h> #include <sound/ac97_codec.h>
#include <sound/mpu401.h> #include <sound/mpu401.h>
#include <sound/initval.h> #include <sound/initval.h>
...@@ -1698,21 +1699,29 @@ static int snd_via8233_pcmdxs_volume_put(struct snd_kcontrol *kcontrol, ...@@ -1698,21 +1699,29 @@ static int snd_via8233_pcmdxs_volume_put(struct snd_kcontrol *kcontrol,
return change; return change;
} }
static DECLARE_TLV_DB_SCALE(db_scale_dxs, -9450, 150, 1);
static struct snd_kcontrol_new snd_via8233_pcmdxs_volume_control __devinitdata = { static struct snd_kcontrol_new snd_via8233_pcmdxs_volume_control __devinitdata = {
.name = "PCM Playback Volume", .name = "PCM Playback Volume",
.iface = SNDRV_CTL_ELEM_IFACE_MIXER, .iface = SNDRV_CTL_ELEM_IFACE_MIXER,
.access = (SNDRV_CTL_ELEM_ACCESS_READWRITE |
SNDRV_CTL_ELEM_ACCESS_TLV_READ),
.info = snd_via8233_dxs_volume_info, .info = snd_via8233_dxs_volume_info,
.get = snd_via8233_pcmdxs_volume_get, .get = snd_via8233_pcmdxs_volume_get,
.put = snd_via8233_pcmdxs_volume_put, .put = snd_via8233_pcmdxs_volume_put,
.tlv = { .p = db_scale_dxs }
}; };
static struct snd_kcontrol_new snd_via8233_dxs_volume_control __devinitdata = { static struct snd_kcontrol_new snd_via8233_dxs_volume_control __devinitdata = {
.name = "VIA DXS Playback Volume", .name = "VIA DXS Playback Volume",
.iface = SNDRV_CTL_ELEM_IFACE_MIXER, .iface = SNDRV_CTL_ELEM_IFACE_MIXER,
.access = (SNDRV_CTL_ELEM_ACCESS_READWRITE |
SNDRV_CTL_ELEM_ACCESS_TLV_READ),
.count = 4, .count = 4,
.info = snd_via8233_dxs_volume_info, .info = snd_via8233_dxs_volume_info,
.get = snd_via8233_dxs_volume_get, .get = snd_via8233_dxs_volume_get,
.put = snd_via8233_dxs_volume_put, .put = snd_via8233_dxs_volume_put,
.tlv = { .p = db_scale_dxs }
}; };
/* /*
......
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