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authorAndy Owen <andy-alsa@ultra-premium.com>2010-10-23 22:12:33 +1100
committerTakashi Iwai <tiwai@suse.de>2010-10-23 16:59:53 +0200
commit64e5310a249ba641ab6a00c6c1d61146d51b7984 (patch)
tree71e53c49bd51104e14b1e9772230f5f376483add /sound
parent6fef153afa8b25f81417488150e04db7c6b0b229 (diff)
downloadlinux-2.6.38-lt-ux500-64e5310a249ba641ab6a00c6c1d61146d51b7984.tar.gz
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.c91
1 files changed, 69 insertions, 22 deletions
diff --git a/sound/pci/ca0106/ca0106_mixer.c b/sound/pci/ca0106/ca0106_mixer.c
index b522401b031..630aa499818 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",