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authorTakashi Iwai <tiwai@suse.de>2006-08-23 12:32:06 +0200
committerJaroslav Kysela <perex@suse.cz>2006-09-23 10:43:10 +0200
commit666c70ffd1c4be795de988f26a8ab13524d4ed47 (patch)
tree3a930d34f8a1bcace53ff403333ec37e395cb6e4 /sound
parent9f6ab25063f04597e02968ae8393e8f4703c1563 (diff)
[ALSA] Add dB scale information to fm801 driver
Added the dB scale information to fm801 driver. Signed-off-by: Takashi Iwai <tiwai@suse.de> Signed-off-by: Jaroslav Kysela <perex@suse.cz>
Diffstat (limited to 'sound')
-rw-r--r--sound/pci/fm801.c19
1 files changed, 16 insertions, 3 deletions
diff --git a/sound/pci/fm801.c b/sound/pci/fm801.c
index f3f2b2c9972..bdfda1997d5 100644
--- a/sound/pci/fm801.c
+++ b/sound/pci/fm801.c
@@ -29,6 +29,7 @@
#include <linux/moduleparam.h>
#include <sound/core.h>
#include <sound/pcm.h>
+#include <sound/tlv.h>
#include <sound/ac97_codec.h>
#include <sound/mpu401.h>
#include <sound/opl3.h>
@@ -1053,6 +1054,13 @@ static int snd_fm801_put_single(struct snd_kcontrol *kcontrol,
{ .iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = xname, .info = snd_fm801_info_double, \
.get = snd_fm801_get_double, .put = snd_fm801_put_double, \
.private_value = reg | (shift_left << 8) | (shift_right << 12) | (mask << 16) | (invert << 24) }
+#define FM801_DOUBLE_TLV(xname, reg, shift_left, shift_right, mask, invert, xtlv) \
+{ .iface = SNDRV_CTL_ELEM_IFACE_MIXER, \
+ .access = SNDRV_CTL_ELEM_ACCESS_READWRITE | SNDRV_CTL_ELEM_ACCESS_TLV_READ, \
+ .name = xname, .info = snd_fm801_info_double, \
+ .get = snd_fm801_get_double, .put = snd_fm801_put_double, \
+ .private_value = reg | (shift_left << 8) | (shift_right << 12) | (mask << 16) | (invert << 24), \
+ .tlv = { .p = (xtlv) } }
static int snd_fm801_info_double(struct snd_kcontrol *kcontrol,
struct snd_ctl_elem_info *uinfo)
@@ -1149,14 +1157,19 @@ static int snd_fm801_put_mux(struct snd_kcontrol *kcontrol,
return snd_fm801_update_bits(chip, FM801_REC_SRC, 7, val);
}
+static DECLARE_TLV_DB_SCALE(db_scale_dsp, -3450, 150, 0);
+
#define FM801_CONTROLS ARRAY_SIZE(snd_fm801_controls)
static struct snd_kcontrol_new snd_fm801_controls[] __devinitdata = {
-FM801_DOUBLE("Wave Playback Volume", FM801_PCM_VOL, 0, 8, 31, 1),
+FM801_DOUBLE_TLV("Wave Playback Volume", FM801_PCM_VOL, 0, 8, 31, 1,
+ db_scale_dsp),
FM801_SINGLE("Wave Playback Switch", FM801_PCM_VOL, 15, 1, 1),
-FM801_DOUBLE("I2S Playback Volume", FM801_I2S_VOL, 0, 8, 31, 1),
+FM801_DOUBLE_TLV("I2S Playback Volume", FM801_I2S_VOL, 0, 8, 31, 1,
+ db_scale_dsp),
FM801_SINGLE("I2S Playback Switch", FM801_I2S_VOL, 15, 1, 1),
-FM801_DOUBLE("FM Playback Volume", FM801_FM_VOL, 0, 8, 31, 1),
+FM801_DOUBLE_TLV("FM Playback Volume", FM801_FM_VOL, 0, 8, 31, 1,
+ db_scale_dsp),
FM801_SINGLE("FM Playback Switch", FM801_FM_VOL, 15, 1, 1),
{
.iface = SNDRV_CTL_ELEM_IFACE_MIXER,