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| author | Andy Owen <andy-alsa@ultra-premium.com> | 2010-10-23 22:12:33 +1100 |
|---|---|---|
| committer | Takashi Iwai <tiwai@suse.de> | 2010-10-23 16:59:53 +0200 |
| commit | 64e5310a249ba641ab6a00c6c1d61146d51b7984 (patch) | |
| tree | 71e53c49bd51104e14b1e9772230f5f376483add /sound | |
| parent | 6fef153afa8b25f81417488150e04db7c6b0b229 (diff) | |
| download | lwn-64e5310a249ba641ab6a00c6c1d61146d51b7984.tar.gz lwn-64e5310a249ba641ab6a00c6c1d61146d51b7984.zip | |
ALSA: ca0106: Use card specific dac id for mute controls.
Signed-off-by: Andy Owen <andy-alsa@ultra-premium.com>
Signed-off-by: Takashi Iwai <tiwai@suse.de>
Diffstat (limited to 'sound')
| -rw-r--r-- | sound/pci/ca0106/ca0106_mixer.c | 91 |
1 files changed, 69 insertions, 22 deletions
diff --git a/sound/pci/ca0106/ca0106_mixer.c b/sound/pci/ca0106/ca0106_mixer.c index b522401b0318..630aa4998189 100644 --- a/sound/pci/ca0106/ca0106_mixer.c +++ b/sound/pci/ca0106/ca0106_mixer.c @@ -676,28 +676,65 @@ static struct snd_kcontrol_new snd_ca0106_volume_i2c_adc_ctls[] __devinitdata = I2C_VOLUME("Aux Capture Volume", 3), }; -#define SPI_SWITCH(xname,reg,bit) \ -{ \ - .iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = xname, \ - .access = SNDRV_CTL_ELEM_ACCESS_READWRITE, \ - .info = spi_mute_info, \ - .get = spi_mute_get, \ - .put = spi_mute_put, \ - .private_value = (reg<<SPI_REG_SHIFT) | (bit) \ -} - -static struct snd_kcontrol_new snd_ca0106_volume_spi_dac_ctls[] -__devinitdata = { - SPI_SWITCH("Analog Front Playback Switch", - SPI_DMUTE4_REG, SPI_DMUTE4_BIT), - SPI_SWITCH("Analog Rear Playback Switch", - SPI_DMUTE0_REG, SPI_DMUTE0_BIT), - SPI_SWITCH("Analog Center/LFE Playback Switch", - SPI_DMUTE2_REG, SPI_DMUTE2_BIT), - SPI_SWITCH("Analog Side Playback Switch", - SPI_DMUTE1_REG, SPI_DMUTE1_BIT), +static const int spi_dmute_reg[] = { + SPI_DMUTE0_REG, + SPI_DMUTE1_REG, + SPI_DMUTE2_REG, + 0, + SPI_DMUTE4_REG, +}; +static const int spi_dmute_bit[] = { + SPI_DMUTE0_BIT, + SPI_DMUTE1_BIT, + SPI_DMUTE2_BIT, + 0, + SPI_DMUTE4_BIT, }; +static struct snd_kcontrol_new __devinit +snd_ca0106_volume_spi_dac_ctl(struct snd_ca0106_details *details, + int channel_id) +{ + struct snd_kcontrol_new spi_switch = {0}; + int reg, bit; + int dac_id; + + spi_switch.iface = SNDRV_CTL_ELEM_IFACE_MIXER; + spi_switch.access = SNDRV_CTL_ELEM_ACCESS_READWRITE; + spi_switch.info = spi_mute_info; + spi_switch.get = spi_mute_get; + spi_switch.put = spi_mute_put; + + switch (channel_id) { + case PCM_FRONT_CHANNEL: + spi_switch.name = "Analog Front Playback Switch"; + dac_id = (details->spi_dac & 0xf000) >> (4 * 3); + break; + case PCM_REAR_CHANNEL: + spi_switch.name = "Analog Rear Playback Switch"; + dac_id = (details->spi_dac & 0x0f00) >> (4 * 2); + break; + case PCM_CENTER_LFE_CHANNEL: + spi_switch.name = "Analog Center/LFE Playback Switch"; + dac_id = (details->spi_dac & 0x00f0) >> (4 * 1); + break; + case PCM_UNKNOWN_CHANNEL: + spi_switch.name = "Analog Side Playback Switch"; + dac_id = (details->spi_dac & 0x000f) >> (4 * 0); + break; + default: + /* Unused channel */ + spi_switch.name = NULL; + dac_id = 0; + } + reg = spi_dmute_reg[dac_id]; + bit = spi_dmute_bit[dac_id]; + + spi_switch.private_value = (reg << SPI_REG_SHIFT) | bit; + + return spi_switch; +} + static int __devinit remove_ctl(struct snd_card *card, const char *name) { struct snd_ctl_elem_id id; @@ -832,8 +869,18 @@ int __devinit snd_ca0106_mixer(struct snd_ca0106 *emu) if (err < 0) return err; } - if (emu->details->spi_dac) - ADD_CTLS(emu, snd_ca0106_volume_spi_dac_ctls); + if (emu->details->spi_dac) { + int i; + for (i = 0;; i++) { + struct snd_kcontrol_new ctl; + ctl = snd_ca0106_volume_spi_dac_ctl(emu->details, i); + if (!ctl.name) + break; + err = snd_ctl_add(card, snd_ctl_new1(&ctl, emu)); + if (err < 0) + return err; + } + } /* Create virtual master controls */ vmaster = snd_ctl_make_virtual_master("Master Playback Volume", |