Commit 49c88b85 authored by Takashi Iwai's avatar Takashi Iwai
Browse files

[ALSA] ca0106 - Add master volume controls 



Added master volume and switch controls for ca0106 using vmaster.

Signed-off-by: default avatarTakashi Iwai <tiwai@suse.de>
parent 1c82ed1b

sound/pci/Kconfig

+1 −0
Original line number Diff line number Diff line
@@ -162,6 +162,7 @@ config SND_CA0106 
	depends on SND

	select SND_AC97_CODEC

	select SND_RAWMIDI

	select SND_VMASTER

	help

	  Say Y here to include support for the Sound Blaster Audigy LS

	  and Live 24bit.

sound/pci/ca0106/ca0106_mixer.c

+51 −0
Original line number Diff line number Diff line
@@ -658,11 +658,47 @@ static int __devinit rename_ctl(struct snd_card *card, const char *src, const ch 
		}							\

	} while (0)



static __devinitdata

DECLARE_TLV_DB_SCALE(snd_ca0106_master_db_scale, -6375, 50, 1);



static char *slave_vols[] __devinitdata = {

	"Analog Front Playback Volume",

        "Analog Rear Playback Volume",

	"Analog Center/LFE Playback Volume",

        "Analog Side Playback Volume",

        "IEC958 Front Playback Volume",

	"IEC958 Rear Playback Volume",

	"IEC958 Center/LFE Playback Volume",

	"IEC958 Unknown Playback Volume",

        "CAPTURE feedback Playback Volume",

	NULL

};



static char *slave_sws[] __devinitdata = {

	"Analog Front Playback Switch",

	"Analog Rear Playback Switch",

	"Analog Center/LFE Playback Switch",

	"Analog Side Playback Switch",

	"IEC958 Playback Switch",

	NULL

};



static void __devinit add_slaves(struct snd_card *card,

				 struct snd_kcontrol *master, char **list)

{

	for (; *list; list++) {

		struct snd_kcontrol *slave = ctl_find(card, *list);

		if (slave)

			snd_ctl_add_slave(master, slave);

	}

}



int __devinit snd_ca0106_mixer(struct snd_ca0106 *emu)

{

	int err;

        struct snd_card *card = emu->card;

	char **c;

	struct snd_kcontrol *vmaster;

	static char *ca0106_remove_ctls[] = {

		"Master Mono Playback Switch",

		"Master Mono Playback Volume",
@@ -719,6 +755,21 @@ int __devinit snd_ca0106_mixer(struct snd_ca0106 *emu) 
	}

	if (emu->details->spi_dac == 1)

		ADD_CTLS(emu, snd_ca0106_volume_spi_dac_ctls);



	/* Create virtual master controls */

	vmaster = snd_ctl_make_virtual_master("Master Playback Volume",

					      snd_ca0106_master_db_scale);

	if (!vmaster)

		return -ENOMEM;

	add_slaves(card, vmaster, slave_vols);



	if (emu->details->spi_dac == 1) {

		vmaster = snd_ctl_make_virtual_master("Master Playback Switch",

						      NULL);

		if (!vmaster)

			return -ENOMEM;

		add_slaves(card, vmaster, slave_sws);

	}

        return 0;

}