Commit 16ddbe73 authored by Clément Guedez's avatar Clément Guedez Committed by Takashi Iwai
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ALSA: ice1724: ESI W192M: Add TLV support for control value in dB scale 



Add TLV support to control volume using dB scale for input and ouput on ESI W192M.

Signed-off-by: default avatarClément Guedez <klem.dev@gmail.com>
Signed-off-by: default avatarTakashi Iwai <tiwai@suse.de>
parent f8a8b3a8

sound/pci/ice1712/wtm.c

+18 −2
Original line number Diff line number Diff line
@@ -29,6 +29,7 @@ 
#include <linux/interrupt.h>

#include <linux/init.h>

#include <sound/core.h>

#include <sound/tlv.h>



#include "ice1712.h"

#include "envy24ht.h"
@@ -380,17 +381,25 @@ static int stac9460_mic_sw_put(struct snd_kcontrol *kcontrol, 
	return change;

}





/*Limits value in dB for fader*/

static const DECLARE_TLV_DB_SCALE(db_scale_dac, -19125, 75, 0);

static const DECLARE_TLV_DB_SCALE(db_scale_adc, 0, 150, 0);



/*

 * Control tabs

 */

static struct snd_kcontrol_new stac9640_controls[] = {

	{

		.iface = SNDRV_CTL_ELEM_IFACE_MIXER,

		.access = (SNDRV_CTL_ELEM_ACCESS_READWRITE |

			    SNDRV_CTL_ELEM_ACCESS_TLV_READ),

		.name = "Master Playback Switch",

		.info = stac9460_dac_mute_info,

		.get = stac9460_dac_mute_get,

		.put = stac9460_dac_mute_put,

		.private_value = 1

		.private_value = 1,

		.tlv = { .p = db_scale_dac }

	},

	{

		.iface = SNDRV_CTL_ELEM_IFACE_MIXER,
@@ -419,11 +428,15 @@ static struct snd_kcontrol_new stac9640_controls[] = { 
	},

	{

		.iface = SNDRV_CTL_ELEM_IFACE_MIXER,

		.access = (SNDRV_CTL_ELEM_ACCESS_READWRITE |

			    SNDRV_CTL_ELEM_ACCESS_TLV_READ),



		.name = "DAC Volume",

		.count = 8,

		.info = stac9460_dac_vol_info,

		.get = stac9460_dac_vol_get,

		.put = stac9460_dac_vol_put,

		.tlv = { .p = db_scale_dac }

	},

	{

		.iface = SNDRV_CTL_ELEM_IFACE_MIXER,
@@ -435,12 +448,15 @@ static struct snd_kcontrol_new stac9640_controls[] = { 
	},

	{

		.iface = SNDRV_CTL_ELEM_IFACE_MIXER,

		.access = (SNDRV_CTL_ELEM_ACCESS_READWRITE |

			    SNDRV_CTL_ELEM_ACCESS_TLV_READ),



		.name = "ADC Volume",

		.count = 2,

		.info = stac9460_adc_vol_info,

		.get = stac9460_adc_vol_get,

		.put = stac9460_adc_vol_put,



		.tlv = { .p = db_scale_adc }

	}

};