diff options
| author |   Mike Rapoport <mike@compulab.co.il> | 2006-06-29 17:15:33 +0200 |
|---|---|---|
| committer |   Jaroslav Kysela <perex@suse.cz> | 2006-09-23 10:37:12 +0200 |
| commit | 82466ad76d60c35bf1c48ba1b9c98c35d82fc385 (patch) | |
| tree | 82d374d6b3b3027bff6c43c057293017bbcab7c5 /sound/pci/ac97 | |
| parent | [ALSA] Add experimental support of aggressive AC97 power-saving mode (diff) | |
| download | linux-dev-82466ad76d60c35bf1c48ba1b9c98c35d82fc385.tar.xz linux-dev-82466ad76d60c35bf1c48ba1b9c98c35d82fc385.zip | |
[ALSA] add codec-specific controls for UCB1400
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>
Diffstat (limited to 'sound/pci/ac97')
| -rw-r--r-- | sound/pci/ac97/ac97_codec.c | 2 | ||||
| -rw-r--r-- | sound/pci/ac97/ac97_patch.c | 38 | ||||
| -rw-r--r-- | sound/pci/ac97/ac97_patch.h | 1 |
3 files changed, 40 insertions, 1 deletions
diff --git a/sound/pci/ac97/ac97_codec.c b/sound/pci/ac97/ac97_codec.c index f82c636e99a9..e5d062d640df 100644 --- a/sound/pci/ac97/ac97_codec.c +++ b/sound/pci/ac97/ac97_codec.c @@ -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 }, diff --git a/sound/pci/ac97/ac97_patch.c b/sound/pci/ac97/ac97_patch.c index 094cfc1f3a19..5267b006c5c8 100644 --- a/sound/pci/ac97/ac97_patch.c +++ b/sound/pci/ac97/ac97_patch.c @@ -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; +} diff --git a/sound/pci/ac97/ac97_patch.h b/sound/pci/ac97/ac97_patch.h index adcaa04586cb..741979217207 100644 --- a/sound/pci/ac97/ac97_patch.h +++ b/sound/pci/ac97/ac97_patch.h @@ -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); |