aboutsummaryrefslogtreecommitdiff
path: root/sound/pci/via82xx.c
diff options
context:
space:
mode:
authorTakashi Iwai <tiwai@suse.de>2006-08-21 18:44:54 +0200
committerJaroslav Kysela <perex@suse.cz>2006-09-23 10:42:56 +0200
commit7058c042001e111c601e1b031d9bcb8b5d392b74 (patch)
tree2ceb87b23ef88ec3b39b69b583ab809830e6152e /sound/pci/via82xx.c
parent2f3482fbbd5dac7d0e86fe5b7ac5c1e51d52b084 (diff)
[ALSA] Added TLV support to VIA82xx driver
Added the TLV support to VIA82xx driver for addition of dB range information. Signed-off-by: Takashi Iwai <tiwai@suse.de> Signed-off-by: Jaroslav Kysela <perex@suse.cz>
Diffstat (limited to 'sound/pci/via82xx.c')
-rw-r--r--sound/pci/via82xx.c9
1 files changed, 9 insertions, 0 deletions
diff --git a/sound/pci/via82xx.c b/sound/pci/via82xx.c
index e0e3bfd7a2d..6db3d4cc4d8 100644
--- a/sound/pci/via82xx.c
+++ b/sound/pci/via82xx.c
@@ -59,6 +59,7 @@
#include <sound/pcm.h>
#include <sound/pcm_params.h>
#include <sound/info.h>
+#include <sound/tlv.h>
#include <sound/ac97_codec.h>
#include <sound/mpu401.h>
#include <sound/initval.h>
@@ -1698,21 +1699,29 @@ static int snd_via8233_pcmdxs_volume_put(struct snd_kcontrol *kcontrol,
return change;
}
+static DECLARE_TLV_DB_SCALE(db_scale_dxs, -9450, 150, 1);
+
static struct snd_kcontrol_new snd_via8233_pcmdxs_volume_control __devinitdata = {
.name = "PCM Playback Volume",
.iface = SNDRV_CTL_ELEM_IFACE_MIXER,
+ .access = (SNDRV_CTL_ELEM_ACCESS_READWRITE |
+ SNDRV_CTL_ELEM_ACCESS_TLV_READ),
.info = snd_via8233_dxs_volume_info,
.get = snd_via8233_pcmdxs_volume_get,
.put = snd_via8233_pcmdxs_volume_put,
+ .tlv = { .p = db_scale_dxs }
};
static struct snd_kcontrol_new snd_via8233_dxs_volume_control __devinitdata = {
.name = "VIA DXS Playback Volume",
.iface = SNDRV_CTL_ELEM_IFACE_MIXER,
+ .access = (SNDRV_CTL_ELEM_ACCESS_READWRITE |
+ SNDRV_CTL_ELEM_ACCESS_TLV_READ),
.count = 4,
.info = snd_via8233_dxs_volume_info,
.get = snd_via8233_dxs_volume_get,
.put = snd_via8233_dxs_volume_put,
+ .tlv = { .p = db_scale_dxs }
};
/*