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Commit 9f6ab250 authored by Takashi Iwai's avatar Takashi Iwai Committed by Jaroslav Kysela
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[ALSA] Add dB scale information to cs4281 driver 



Added the dB scale information to cs4281 driver.

Signed-off-by: default avatarTakashi Iwai <tiwai@suse.de>
Signed-off-by: default avatarJaroslav Kysela <perex@suse.cz>
parent 9107226d

sound/pci/cs4281.c

+5 −0
Original line number Diff line number Diff line
@@ -33,6 +33,7 @@ 
#include <sound/pcm.h>

#include <sound/rawmidi.h>

#include <sound/ac97_codec.h>

#include <sound/tlv.h>

#include <sound/opl3.h>

#include <sound/initval.h>
@@ -1054,6 +1055,8 @@ static int snd_cs4281_put_volume(struct snd_kcontrol *kcontrol, 
	return change;

}



static DECLARE_TLV_DB_SCALE(db_scale_dsp, -4650, 150, 0);



static struct snd_kcontrol_new snd_cs4281_fm_vol = 

{

	.iface = SNDRV_CTL_ELEM_IFACE_MIXER,
@@ -1062,6 +1065,7 @@ static struct snd_kcontrol_new snd_cs4281_fm_vol = 
	.get = snd_cs4281_get_volume,

	.put = snd_cs4281_put_volume, 

	.private_value = ((BA0_FMLVC << 16) | BA0_FMRVC),

	.tlv = { .p = db_scale_dsp },

};



static struct snd_kcontrol_new snd_cs4281_pcm_vol =
@@ -1072,6 +1076,7 @@ static struct snd_kcontrol_new snd_cs4281_pcm_vol = 
	.get = snd_cs4281_get_volume,

	.put = snd_cs4281_put_volume, 

	.private_value = ((BA0_PPLVC << 16) | BA0_PPRVC),

	.tlv = { .p = db_scale_dsp },

};



static void snd_cs4281_mixer_free_ac97_bus(struct snd_ac97_bus *bus)