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[ALSA] add codec-specific controls for UCB1400

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

Signed-off-by: Mike Rapoport <mike@compulab.co.il>
Signed-off-by: Takashi Iwai <tiwai@suse.de>
Signed-off-by: Jaroslav Kysela <perex@suse.cz>
This commit is contained in:
Mike Rapoport 2006-06-29 17:15:33 +02:00 committed by Jaroslav Kysela
parent 6dbe662874
commit 82466ad76d
3 changed files with 40 additions and 1 deletions
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2
sound/pci/ac97/ac97_codec.c
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@ -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 },

38
sound/pci/ac97/ac97_patch.c
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@ -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;
}

1
sound/pci/ac97/ac97_patch.h
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@ -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);