Commit 82466ad7 authored by Mike Rapoport's avatar Mike Rapoport Committed by Jaroslav Kysela
Browse files

[ALSA] add codec-specific controls for UCB1400 



This patch adds some codec-specific controls for Philips UCB1400 codec.

Signed-off-by: default avatarMike Rapoport <mike@compulab.co.il>
Signed-off-by: default avatarTakashi Iwai <tiwai@suse.de>
Signed-off-by: default avatarJaroslav Kysela <perex@suse.cz>
parent 6dbe6628

sound/pci/ac97/ac97_codec.c

+1 −1
Original line number Diff line number Diff line
@@ -156,7 +156,7 @@ static const struct ac97_codec_id snd_ac97_codec_ids[] = { 
{ 0x4e534300, 0xffffffff, "LM4540,43,45,46,48",	NULL,		NULL }, // only guess --jk

{ 0x4e534331, 0xffffffff, "LM4549",		NULL,		NULL },

{ 0x4e534350, 0xffffffff, "LM4550",		patch_lm4550,  	NULL }, // volume wrap fix 

{ 0x50534304, 0xffffffff, "UCB1400",		NULL,		NULL },

{ 0x50534304, 0xffffffff, "UCB1400",		patch_ucb1400,	NULL },

{ 0x53494c20, 0xffffffe0, "Si3036,8",		mpatch_si3036,	mpatch_si3036, AC97_MODEM_PATCH },

{ 0x54524102, 0xffffffff, "TR28022",		NULL,		NULL },

{ 0x54524106, 0xffffffff, "TR28026",		NULL,		NULL },

sound/pci/ac97/ac97_patch.c

+38 −0
Original line number Diff line number Diff line
@@ -2872,3 +2872,41 @@ int patch_lm4550(struct snd_ac97 *ac97) 
	ac97->res_table = lm4550_restbl;

	return 0;

}



/* 

 *  UCB1400 codec (http://www.semiconductors.philips.com/acrobat_download/datasheets/UCB1400-02.pdf)

 */

static const struct snd_kcontrol_new snd_ac97_controls_ucb1400[] = {

/* enable/disable headphone driver which allows direct connection to

   stereo headphone without the use of external DC blocking

   capacitors */

AC97_SINGLE("Headphone Driver", 0x6a, 6, 1, 0),

/* Filter used to compensate the DC offset is added in the ADC to remove idle

   tones from the audio band. */

AC97_SINGLE("DC Filter", 0x6a, 4, 1, 0),

/* Control smart-low-power mode feature. Allows automatic power down

   of unused blocks in the ADC analog front end and the PLL. */

AC97_SINGLE("Smart Low Power Mode", 0x6c, 4, 3, 0),

};



static int patch_ucb1400_specific(struct snd_ac97 * ac97)

{

	int idx, err;

	for (idx = 0; idx < ARRAY_SIZE(snd_ac97_controls_ucb1400); idx++)

		if ((err = snd_ctl_add(ac97->bus->card, snd_ctl_new1(&snd_ac97_controls_ucb1400[idx], ac97))) < 0)

			return err;

	return 0;

}



static struct snd_ac97_build_ops patch_ucb1400_ops = {

	.build_specific	= patch_ucb1400_specific,

};



int patch_ucb1400(struct snd_ac97 * ac97)

{

	ac97->build_ops = &patch_ucb1400_ops;

	/* enable headphone driver and smart low power mode by default */

	snd_ac97_write(ac97, 0x6a, 0x0050);

	snd_ac97_write(ac97, 0x6c, 0x0030);

	return 0;

}

sound/pci/ac97/ac97_patch.h

+1 −0
Original line number Diff line number Diff line
@@ -58,5 +58,6 @@ int patch_cm9780(struct snd_ac97 * ac97); 
int patch_vt1616(struct snd_ac97 * ac97);

int patch_vt1617a(struct snd_ac97 * ac97);

int patch_it2646(struct snd_ac97 * ac97);

int patch_ucb1400(struct snd_ac97 * ac97);

int mpatch_si3036(struct snd_ac97 * ac97);

int patch_lm4550(struct snd_ac97 * ac97);