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authorJames Courtier-Dutton <James@superbug.co.uk>2006-07-22 17:02:10 +0100
committerJaroslav Kysela <perex@suse.cz>2006-09-23 10:38:32 +0200
commit31508f83f591dc8764427b6321c89f8f9e84bad2 (patch)
treee8b131303a9397232b33fbaaf5591f097f93af35 /sound/pci
parentfff36e472b4315df77513f4339c5c199c6aad28b (diff)
[ALSA] snd-emu10k1: Implement dB gain infomation.
Signed-off-by: James Courtier-Dutton <James@superbug.co.uk> Signed-off-by: Jaroslav Kysela <perex@suse.cz>
Diffstat (limited to 'sound/pci')
-rw-r--r--sound/pci/emu10k1/emufx.c11
-rw-r--r--sound/pci/emu10k1/p16v.c5
2 files changed, 16 insertions, 0 deletions
diff --git a/sound/pci/emu10k1/emufx.c b/sound/pci/emu10k1/emufx.c
index dfba00230d4..00fc904c251 100644
--- a/sound/pci/emu10k1/emufx.c
+++ b/sound/pci/emu10k1/emufx.c
@@ -35,6 +35,7 @@
#include <linux/mutex.h>
#include <sound/core.h>
+#include <sound/tlv.h>
#include <sound/emu10k1.h>
#if 0 /* for testing purposes - digital out -> capture */
@@ -290,6 +291,9 @@ static const u32 db_table[101] = {
0x7fffffff,
};
+/* EMU10k1/EMU10k2 DSP control db gain */
+static DECLARE_TLV_DB_SCALE(snd_emu10k1_db_scale1, -4000, 40, 1);
+
static const u32 onoff_table[2] = {
0x00000000, 0x00000001
};
@@ -755,6 +759,11 @@ static int snd_emu10k1_add_controls(struct snd_emu10k1 *emu,
knew.device = gctl->id.device;
knew.subdevice = gctl->id.subdevice;
knew.info = snd_emu10k1_gpr_ctl_info;
+ if (gctl->tlv.p) {
+ knew.tlv.p = gctl->tlv.p;
+ knew.access = SNDRV_CTL_ELEM_ACCESS_READWRITE |
+ SNDRV_CTL_ELEM_ACCESS_TLV_READ;
+ }
knew.get = snd_emu10k1_gpr_ctl_get;
knew.put = snd_emu10k1_gpr_ctl_put;
memset(nctl, 0, sizeof(*nctl));
@@ -1013,6 +1022,7 @@ snd_emu10k1_init_mono_control(struct snd_emu10k1_fx8010_control_gpr *ctl,
ctl->gpr[0] = gpr + 0; ctl->value[0] = defval;
ctl->min = 0;
ctl->max = 100;
+ ctl->tlv.p = snd_emu10k1_db_scale1;
ctl->translation = EMU10K1_GPR_TRANSLATION_TABLE100;
}
@@ -1027,6 +1037,7 @@ snd_emu10k1_init_stereo_control(struct snd_emu10k1_fx8010_control_gpr *ctl,
ctl->gpr[1] = gpr + 1; ctl->value[1] = defval;
ctl->min = 0;
ctl->max = 100;
+ ctl->tlv.p = snd_emu10k1_db_scale1;
ctl->translation = EMU10K1_GPR_TRANSLATION_TABLE100;
}
diff --git a/sound/pci/emu10k1/p16v.c b/sound/pci/emu10k1/p16v.c
index 9905651935f..1e44714b862 100644
--- a/sound/pci/emu10k1/p16v.c
+++ b/sound/pci/emu10k1/p16v.c
@@ -100,6 +100,7 @@
#include <sound/pcm.h>
#include <sound/ac97_codec.h>
#include <sound/info.h>
+#include <sound/tlv.h>
#include <sound/emu10k1.h>
#include "p16v.h"
@@ -784,12 +785,16 @@ static int snd_p16v_capture_channel_put(struct snd_kcontrol *kcontrol,
}
return change;
}
+static DECLARE_TLV_DB_SCALE(snd_p16v_db_scale1, -5175, 25, 1);
#define P16V_VOL(xname,xreg,xhl) { \
.iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = xname, \
+ .access = SNDRV_CTL_ELEM_ACCESS_READWRITE | \
+ SNDRV_CTL_ELEM_ACCESS_TLV_READ, \
.info = snd_p16v_volume_info, \
.get = snd_p16v_volume_get, \
.put = snd_p16v_volume_put, \
+ .tlv.p = snd_p16v_db_scale1, \
.private_value = ((xreg) | ((xhl) << 8)) \
}