[ALSA] Add dB scale information to trident driver
Added the dB scale information to trident driver.
Signed-off-by: Takashi Iwai <tiwai@suse.de>
Signed-off-by: Jaroslav Kysela <perex@suse.cz>
diff --git a/sound/pci/trident/trident_main.c b/sound/pci/trident/trident_main.c
index 4930cc6..ebbe12d 100644
--- a/sound/pci/trident/trident_main.c
+++ b/sound/pci/trident/trident_main.c
@@ -40,6 +40,7 @@
#include <sound/core.h>
#include <sound/info.h>
#include <sound/control.h>
+#include <sound/tlv.h>
#include <sound/trident.h>
#include <sound/asoundef.h>
@@ -2627,6 +2628,8 @@
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 @@
.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 @@
.get = snd_trident_vol_control_get,
.put = snd_trident_vol_control_put,
.private_value = 0,
+ .tlv = { .p = db_scale_gvol },
};
/*---------------------------------------------------------------------------
@@ -2730,6 +2735,7 @@
.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 @@
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 @@
.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 @@
.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,