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Commit 7058c042 authored by Takashi Iwai's avatar Takashi Iwai Committed by Jaroslav Kysela
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[ALSA] Added TLV support to VIA82xx driver 



Added the TLV support to VIA82xx driver for addition of
dB range information.

Signed-off-by: default avatarTakashi Iwai <tiwai@suse.de>
Signed-off-by: default avatarJaroslav Kysela <perex@suse.cz>
parent 2f3482fb

sound/pci/via82xx.c

+9 −0
Original line number Diff line number Diff line
@@ -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 }

};



/*