[ALSA] ca0106 - Code clean up
authorTakashi Iwai <tiwai@suse.de>
Thu, 17 Nov 2005 09:40:18 +0000 (10:40 +0100)
committerJaroslav Kysela <perex@suse.cz>
Tue, 3 Jan 2006 11:17:01 +0000 (12:17 +0100)
Modules: CA0106 driver

Clean up snd-ca0106 driver code:

- Fix spaces and indents
- Remove unnecessary spinlocks
- Clean up the mixer callbacks using private_value
- Clean up mixer constructors using an array

Signed-off-by: Takashi Iwai <tiwai@suse.de>
sound/pci/ca0106/ca0106_main.c
sound/pci/ca0106/ca0106_mixer.c

index a89eed25509888c0a8d6c46b401cbb4cd730c6a7..0120c4683c79f47ae1701141415a1323b77be08c 100644 (file)
@@ -207,7 +207,8 @@ static snd_pcm_hardware_t snd_ca0106_playback_hw = {
                                 SNDRV_PCM_INFO_BLOCK_TRANSFER |
                                 SNDRV_PCM_INFO_MMAP_VALID),
        .formats =              SNDRV_PCM_FMTBIT_S16_LE | SNDRV_PCM_FMTBIT_S32_LE,
-       .rates =                SNDRV_PCM_RATE_48000 | SNDRV_PCM_RATE_96000 | SNDRV_PCM_RATE_192000,
+       .rates =                (SNDRV_PCM_RATE_48000 | SNDRV_PCM_RATE_96000 |
+                                SNDRV_PCM_RATE_192000),
        .rate_min =             48000,
        .rate_max =             192000,
        .channels_min =         2,  //1,
@@ -226,7 +227,8 @@ static snd_pcm_hardware_t snd_ca0106_capture_hw = {
                                 SNDRV_PCM_INFO_BLOCK_TRANSFER |
                                 SNDRV_PCM_INFO_MMAP_VALID),
        .formats =              SNDRV_PCM_FMTBIT_S16_LE | SNDRV_PCM_FMTBIT_S32_LE,
-       .rates =                SNDRV_PCM_RATE_44100 | SNDRV_PCM_RATE_48000 | SNDRV_PCM_RATE_96000 | SNDRV_PCM_RATE_192000,
+       .rates =                (SNDRV_PCM_RATE_44100 | SNDRV_PCM_RATE_48000 |
+                                SNDRV_PCM_RATE_96000 | SNDRV_PCM_RATE_192000),
        .rate_min =             44100,
        .rate_max =             192000,
        .channels_min =         2,
@@ -276,11 +278,10 @@ int snd_ca0106_i2c_write(ca0106_t *emu,
                                u32 value)
 {
        u32 tmp;
-       int timeout=0;
+       int timeout = 0;
        int status;
        int retry;
-       if ((reg > 0x7f) || (value > 0x1ff))
-       {
+       if ((reg > 0x7f) || (value > 0x1ff)) {
                snd_printk(KERN_ERR "i2c_write: invalid values.\n");
                return -EINVAL;
        }
@@ -292,8 +293,7 @@ int snd_ca0106_i2c_write(ca0106_t *emu,
        /* This controls the I2C connected to the WM8775 ADC Codec */
        snd_ca0106_ptr_write(emu, I2C_D1, 0, tmp);
 
-       for(retry=0;retry<10;retry++)
-       {
+       for (retry = 0; retry < 10; retry++) {
                /* Send the data to i2c */
                tmp = snd_ca0106_ptr_read(emu, I2C_A, 0);
                tmp = tmp & ~(I2C_A_ADC_READ|I2C_A_ADC_LAST|I2C_A_ADC_START|I2C_A_ADC_ADD_MASK);
@@ -301,24 +301,22 @@ int snd_ca0106_i2c_write(ca0106_t *emu,
                snd_ca0106_ptr_write(emu, I2C_A, 0, tmp);
 
                /* Wait till the transaction ends */
-               while(1)
-               {
+               while (1) {
                        status = snd_ca0106_ptr_read(emu, I2C_A, 0);
                        //snd_printk("I2C:status=0x%x\n", status);
                        timeout++;
-                       if((status & I2C_A_ADC_START)==0)
+                       if ((status & I2C_A_ADC_START) == 0)
                                break;
 
-                       if(timeout>1000)
+                       if (timeout > 1000)
                                break;
                }
                //Read back and see if the transaction is successful
-               if((status & I2C_A_ADC_ABORT)==0)
+               if ((status & I2C_A_ADC_ABORT) == 0)
                        break;
        }
 
-       if(retry==10)
-       {
+       if (retry == 10) {
                snd_printk(KERN_ERR "Writing to ADC failed!\n");
                return -EINVAL;
        }
@@ -380,10 +378,10 @@ static int snd_ca0106_pcm_open_playback_channel(snd_pcm_substream_t *substream,
         channel->emu = chip;
         channel->number = channel_id;
 
-        channel->use=1;
+       channel->use = 1;
         //printk("open:channel_id=%d, chip=%p, channel=%p\n",channel_id, chip, channel);
         //channel->interrupt = snd_ca0106_pcm_channel_interrupt;
-        channel->epcm=epcm;
+       channel->epcm = epcm;
        if ((err = snd_pcm_hw_constraint_integer(runtime, SNDRV_PCM_HW_PARAM_PERIODS)) < 0)
                 return err;
        if ((err = snd_pcm_hw_constraint_step(runtime, 0, SNDRV_PCM_HW_PARAM_PERIOD_BYTES, 64)) < 0)
@@ -448,10 +446,10 @@ static int snd_ca0106_pcm_open_capture_channel(snd_pcm_substream_t *substream, i
         channel->emu = chip;
         channel->number = channel_id;
 
-        channel->use=1;
+       channel->use = 1;
         //printk("open:channel_id=%d, chip=%p, channel=%p\n",channel_id, chip, channel);
         //channel->interrupt = snd_ca0106_pcm_channel_interrupt;
-        channel->epcm=epcm;
+       channel->epcm = epcm;
        if ((err = snd_pcm_hw_constraint_integer(runtime, SNDRV_PCM_HW_PARAM_PERIODS)) < 0)
                 return err;
        //snd_pcm_hw_constraint_list(runtime, 0, SNDRV_PCM_HW_PARAM_PERIOD_SIZE, &hw_constraints_capture_period_sizes);
@@ -593,8 +591,8 @@ static int snd_ca0106_pcm_prepare_playback(snd_pcm_substream_t *substream)
 
        /* FIXME: Check emu->buffer.size before actually writing to it. */
         for(i=0; i < runtime->periods; i++) {
-               table_base[i*2]=runtime->dma_addr+(i*period_size_bytes);
-               table_base[(i*2)+1]=period_size_bytes<<16;
+               table_base[i*2] = runtime->dma_addr + (i * period_size_bytes);
+               table_base[i*2+1] = period_size_bytes << 16;
        }
  
        snd_ca0106_ptr_write(emu, PLAYBACK_LIST_ADDR, channel, emu->buffer.addr+(8*16*channel));
@@ -1008,13 +1006,8 @@ static irqreturn_t snd_ca0106_interrupt(int irq, void *dev_id,
         unsigned int stat76;
        ca0106_channel_t *pchannel;
 
-       spin_lock(&chip->emu_lock);
-
        status = inl(chip->port + IPR);
 
-       // call updater, unlock before it
-       spin_unlock(&chip->emu_lock);
-  
        if (! status)
                return IRQ_NONE;
 
@@ -1024,11 +1017,11 @@ static irqreturn_t snd_ca0106_interrupt(int irq, void *dev_id,
         mask = 0x11; /* 0x1 for one half, 0x10 for the other half period. */
        for(i = 0; i < 4; i++) {
                pchannel = &(chip->playback_channels[i]);
-               if(stat76 & mask) {
+               if (stat76 & mask) {
 /* FIXME: Select the correct substream for period elapsed */
                        if(pchannel->use) {
-                          snd_pcm_period_elapsed(pchannel->epcm->substream);
-                       //printk(KERN_INFO "interrupt [%d] used\n", i);
+                               snd_pcm_period_elapsed(pchannel->epcm->substream);
+                               //printk(KERN_INFO "interrupt [%d] used\n", i);
                         }
                }
                //printk(KERN_INFO "channel=%p\n",pchannel);
@@ -1038,11 +1031,11 @@ static irqreturn_t snd_ca0106_interrupt(int irq, void *dev_id,
         mask = 0x110000; /* 0x1 for one half, 0x10 for the other half period. */
        for(i = 0; i < 4; i++) {
                pchannel = &(chip->capture_channels[i]);
-               if(stat76 & mask) {
+               if (stat76 & mask) {
 /* FIXME: Select the correct substream for period elapsed */
                        if(pchannel->use) {
-                          snd_pcm_period_elapsed(pchannel->epcm->substream);
-                       //printk(KERN_INFO "interrupt [%d] used\n", i);
+                               snd_pcm_period_elapsed(pchannel->epcm->substream);
+                               //printk(KERN_INFO "interrupt [%d] used\n", i);
                         }
                }
                //printk(KERN_INFO "channel=%p\n",pchannel);
@@ -1051,10 +1044,9 @@ static irqreturn_t snd_ca0106_interrupt(int irq, void *dev_id,
        }
 
         snd_ca0106_ptr_write(chip, EXTENDED_INT, 0, stat76);
-       spin_lock(&chip->emu_lock);
 
        if (chip->midi.dev_id &&
-         (status & (chip->midi.ipr_tx|chip->midi.ipr_rx))) {
+           (status & (chip->midi.ipr_tx|chip->midi.ipr_rx))) {
                if (chip->midi.interrupt)
                        chip->midi.interrupt(&chip->midi, status);
                else
@@ -1064,8 +1056,6 @@ static irqreturn_t snd_ca0106_interrupt(int irq, void *dev_id,
        // acknowledge the interrupt if necessary
        outl(status, chip->port+IPR);
 
-       spin_unlock(&chip->emu_lock);
-
        return IRQ_HANDLED;
 }
 
@@ -1202,8 +1192,9 @@ static int __devinit snd_ca0106_create(snd_card_t *card,
        strcpy(card->driver, "CA0106");
        strcpy(card->shortname, "CA0106");
 
-       for (c=ca0106_chip_details; c->serial; c++) {
-               if (c->serial == chip->serial) break;
+       for (c = ca0106_chip_details; c->serial; c++) {
+               if (c->serial == chip->serial)
+                       break;
        }
        chip->details = c;
        sprintf(card->longname, "%s at 0x%lx irq %i",
@@ -1359,7 +1350,7 @@ static int __devinit snd_ca0106_midi(ca0106_t *chip, unsigned int channel)
        char *name;
        int err;
 
-        if(channel==CA0106_MIDI_CHAN_B) {
+       if (channel == CA0106_MIDI_CHAN_B) {
                name = "CA0106 MPU-401 (UART) B";
                midi =  &chip->midi2;
                midi->tx_enable = INTE_MIDI_TX_B;
@@ -1499,12 +1490,7 @@ static struct pci_driver driver = {
 // initialization of the module
 static int __init alsa_card_ca0106_init(void)
 {
-       int err;
-
-       if ((err = pci_register_driver(&driver)) > 0)
-               return err;
-
-       return 0;
+       return pci_register_driver(&driver);
 }
 
 // clean up the module
index c10e4a54301b814a0d2febb9d202d291287cd84f..0730dc7c66e570926138c4d6dcb5c7913269ba31 100644 (file)
@@ -125,18 +125,11 @@ static int snd_ca0106_shared_spdif_put(snd_kcontrol_t * kcontrol,
         return change;
 }
 
-static snd_kcontrol_new_t snd_ca0106_shared_spdif __devinitdata =
-{
-       .iface =        SNDRV_CTL_ELEM_IFACE_MIXER,
-       .name =         "SPDIF Out",
-       .info =         snd_ca0106_shared_spdif_info,
-       .get =          snd_ca0106_shared_spdif_get,
-       .put =          snd_ca0106_shared_spdif_put
-};
-
 static int snd_ca0106_capture_source_info(snd_kcontrol_t *kcontrol, snd_ctl_elem_info_t * uinfo)
 {
-       static char *texts[6] = { "SPDIF out", "i2s mixer out", "SPDIF in", "i2s in", "AC97 in", "SRC out" };
+       static char *texts[6] = {
+               "SPDIF out", "i2s mixer out", "SPDIF in", "i2s in", "AC97 in", "SRC out"
+       };
 
        uinfo->type = SNDRV_CTL_ELEM_TYPE_ENUMERATED;
        uinfo->count = 1;
@@ -176,15 +169,6 @@ static int snd_ca0106_capture_source_put(snd_kcontrol_t * kcontrol,
         return change;
 }
 
-static snd_kcontrol_new_t snd_ca0106_capture_source __devinitdata =
-{
-       .iface =        SNDRV_CTL_ELEM_IFACE_MIXER,
-       .name =         "Capture Source",
-       .info =         snd_ca0106_capture_source_info,
-       .get =          snd_ca0106_capture_source_get,
-       .put =          snd_ca0106_capture_source_put
-};
-
 static int snd_ca0106_capture_mic_line_in_info(snd_kcontrol_t *kcontrol, snd_ctl_elem_info_t * uinfo)
 {
        static char *texts[2] = { "Line in", "Mic in" };
@@ -294,26 +278,6 @@ static int snd_ca0106_spdif_put(snd_kcontrol_t * kcontrol,
         return change;
 }
 
-static snd_kcontrol_new_t snd_ca0106_spdif_mask_control =
-{
-       .access =       SNDRV_CTL_ELEM_ACCESS_READ,
-        .iface =        SNDRV_CTL_ELEM_IFACE_PCM,
-        .name =         SNDRV_CTL_NAME_IEC958("",PLAYBACK,MASK),
-       .count =        4,
-        .info =         snd_ca0106_spdif_info,
-        .get =          snd_ca0106_spdif_get_mask
-};
-
-static snd_kcontrol_new_t snd_ca0106_spdif_control =
-{
-        .iface =       SNDRV_CTL_ELEM_IFACE_PCM,
-        .name =         SNDRV_CTL_NAME_IEC958("",PLAYBACK,DEFAULT),
-       .count =        4,
-        .info =         snd_ca0106_spdif_info,
-        .get =          snd_ca0106_spdif_get,
-        .put =          snd_ca0106_spdif_put
-};
-
 static int snd_ca0106_volume_info(snd_kcontrol_t *kcontrol, snd_ctl_elem_info_t * uinfo)
 {
         uinfo->type = SNDRV_CTL_ELEM_TYPE_INTEGER;
@@ -324,10 +288,14 @@ static int snd_ca0106_volume_info(snd_kcontrol_t *kcontrol, snd_ctl_elem_info_t
 }
 
 static int snd_ca0106_volume_get(snd_kcontrol_t * kcontrol,
-                                       snd_ctl_elem_value_t * ucontrol, int reg, int channel_id)
+                                snd_ctl_elem_value_t * ucontrol)
 {
         ca0106_t *emu = snd_kcontrol_chip(kcontrol);
         unsigned int value;
+       int channel_id, reg;
+
+       channel_id = (kcontrol->private_value >> 8) & 0xff;
+       reg = kcontrol->private_value & 0xff;
 
         value = snd_ca0106_ptr_read(emu, reg, channel_id);
         ucontrol->value.integer.value[0] = 0xff - ((value >> 24) & 0xff); /* Left */
@@ -335,226 +303,92 @@ static int snd_ca0106_volume_get(snd_kcontrol_t * kcontrol,
         return 0;
 }
 
-static int snd_ca0106_volume_get_spdif_front(snd_kcontrol_t * kcontrol,
-                                       snd_ctl_elem_value_t * ucontrol)
-{
-       int channel_id = CONTROL_FRONT_CHANNEL;
-       int reg = PLAYBACK_VOLUME1;
-        return snd_ca0106_volume_get(kcontrol, ucontrol, reg, channel_id);
-}
-
-static int snd_ca0106_volume_get_spdif_center_lfe(snd_kcontrol_t * kcontrol,
-                                       snd_ctl_elem_value_t * ucontrol)
-{
-       int channel_id = CONTROL_CENTER_LFE_CHANNEL;
-       int reg = PLAYBACK_VOLUME1;
-        return snd_ca0106_volume_get(kcontrol, ucontrol, reg, channel_id);
-}
-static int snd_ca0106_volume_get_spdif_unknown(snd_kcontrol_t * kcontrol,
-                                       snd_ctl_elem_value_t * ucontrol)
-{
-       int channel_id = CONTROL_UNKNOWN_CHANNEL;
-       int reg = PLAYBACK_VOLUME1;
-        return snd_ca0106_volume_get(kcontrol, ucontrol, reg, channel_id);
-}
-static int snd_ca0106_volume_get_spdif_rear(snd_kcontrol_t * kcontrol,
-                                       snd_ctl_elem_value_t * ucontrol)
-{
-       int channel_id = CONTROL_REAR_CHANNEL;
-       int reg = PLAYBACK_VOLUME1;
-        return snd_ca0106_volume_get(kcontrol, ucontrol, reg, channel_id);
-}
-static int snd_ca0106_volume_get_analog_front(snd_kcontrol_t * kcontrol,
-                                       snd_ctl_elem_value_t * ucontrol)
-{
-       int channel_id = CONTROL_FRONT_CHANNEL;
-       int reg = PLAYBACK_VOLUME2;
-        return snd_ca0106_volume_get(kcontrol, ucontrol, reg, channel_id);
-}
-
-static int snd_ca0106_volume_get_analog_center_lfe(snd_kcontrol_t * kcontrol,
-                                       snd_ctl_elem_value_t * ucontrol)
-{
-       int channel_id = CONTROL_CENTER_LFE_CHANNEL;
-       int reg = PLAYBACK_VOLUME2;
-        return snd_ca0106_volume_get(kcontrol, ucontrol, reg, channel_id);
-}
-static int snd_ca0106_volume_get_analog_unknown(snd_kcontrol_t * kcontrol,
-                                       snd_ctl_elem_value_t * ucontrol)
-{
-       int channel_id = CONTROL_UNKNOWN_CHANNEL;
-       int reg = PLAYBACK_VOLUME2;
-        return snd_ca0106_volume_get(kcontrol, ucontrol, reg, channel_id);
-}
-static int snd_ca0106_volume_get_analog_rear(snd_kcontrol_t * kcontrol,
-                                       snd_ctl_elem_value_t * ucontrol)
-{
-       int channel_id = CONTROL_REAR_CHANNEL;
-       int reg = PLAYBACK_VOLUME2;
-        return snd_ca0106_volume_get(kcontrol, ucontrol, reg, channel_id);
-}
-
-static int snd_ca0106_volume_get_feedback(snd_kcontrol_t * kcontrol,
-                                       snd_ctl_elem_value_t * ucontrol)
-{
-       int channel_id = 1;
-       int reg = CAPTURE_CONTROL;
-        return snd_ca0106_volume_get(kcontrol, ucontrol, reg, channel_id);
-}
-                                                                                                                           
 static int snd_ca0106_volume_put(snd_kcontrol_t * kcontrol,
-                                       snd_ctl_elem_value_t * ucontrol, int reg, int channel_id)
+                                snd_ctl_elem_value_t * ucontrol)
 {
         ca0106_t *emu = snd_kcontrol_chip(kcontrol);
-        unsigned int value;
-        //value = snd_ca0106_ptr_read(emu, reg, channel_id);
-        //value = value & 0xffff;
-        value = ((0xff - ucontrol->value.integer.value[0]) << 24) | ((0xff - ucontrol->value.integer.value[1]) << 16);
-        value = value | ((0xff - ucontrol->value.integer.value[0]) << 8) | ((0xff - ucontrol->value.integer.value[1]) );
-        snd_ca0106_ptr_write(emu, reg, channel_id, value);
-        return 1;
-}
-static int snd_ca0106_volume_put_spdif_front(snd_kcontrol_t * kcontrol,
-                                       snd_ctl_elem_value_t * ucontrol)
-{
-       int channel_id = CONTROL_FRONT_CHANNEL;
-       int reg = PLAYBACK_VOLUME1;
-        return snd_ca0106_volume_put(kcontrol, ucontrol, reg, channel_id);
-}
-static int snd_ca0106_volume_put_spdif_center_lfe(snd_kcontrol_t * kcontrol,
-                                       snd_ctl_elem_value_t * ucontrol)
-{
-       int channel_id = CONTROL_CENTER_LFE_CHANNEL;
-       int reg = PLAYBACK_VOLUME1;
-        return snd_ca0106_volume_put(kcontrol, ucontrol, reg, channel_id);
-}
-static int snd_ca0106_volume_put_spdif_unknown(snd_kcontrol_t * kcontrol,
-                                       snd_ctl_elem_value_t * ucontrol)
-{
-       int channel_id = CONTROL_UNKNOWN_CHANNEL;
-       int reg = PLAYBACK_VOLUME1;
-        return snd_ca0106_volume_put(kcontrol, ucontrol, reg, channel_id);
-}
-static int snd_ca0106_volume_put_spdif_rear(snd_kcontrol_t * kcontrol,
-                                       snd_ctl_elem_value_t * ucontrol)
-{
-       int channel_id = CONTROL_REAR_CHANNEL;
-       int reg = PLAYBACK_VOLUME1;
-        return snd_ca0106_volume_put(kcontrol, ucontrol, reg, channel_id);
-}
-static int snd_ca0106_volume_put_analog_front(snd_kcontrol_t * kcontrol,
-                                       snd_ctl_elem_value_t * ucontrol)
-{
-       int channel_id = CONTROL_FRONT_CHANNEL;
-       int reg = PLAYBACK_VOLUME2;
-        return snd_ca0106_volume_put(kcontrol, ucontrol, reg, channel_id);
-}
-static int snd_ca0106_volume_put_analog_center_lfe(snd_kcontrol_t * kcontrol,
-                                       snd_ctl_elem_value_t * ucontrol)
-{
-       int channel_id = CONTROL_CENTER_LFE_CHANNEL;
-       int reg = PLAYBACK_VOLUME2;
-        return snd_ca0106_volume_put(kcontrol, ucontrol, reg, channel_id);
-}
-static int snd_ca0106_volume_put_analog_unknown(snd_kcontrol_t * kcontrol,
-                                       snd_ctl_elem_value_t * ucontrol)
-{
-       int channel_id = CONTROL_UNKNOWN_CHANNEL;
-       int reg = PLAYBACK_VOLUME2;
-        return snd_ca0106_volume_put(kcontrol, ucontrol, reg, channel_id);
-}
-static int snd_ca0106_volume_put_analog_rear(snd_kcontrol_t * kcontrol,
-                                       snd_ctl_elem_value_t * ucontrol)
-{
-       int channel_id = CONTROL_REAR_CHANNEL;
-       int reg = PLAYBACK_VOLUME2;
-        return snd_ca0106_volume_put(kcontrol, ucontrol, reg, channel_id);
-}
-
-static int snd_ca0106_volume_put_feedback(snd_kcontrol_t * kcontrol,
-                                       snd_ctl_elem_value_t * ucontrol)
-{
-       int channel_id = 1;
-       int reg = CAPTURE_CONTROL;
-        return snd_ca0106_volume_put(kcontrol, ucontrol, reg, channel_id);
-}
-
-static snd_kcontrol_new_t snd_ca0106_volume_control_analog_front =
-{
-        .iface =        SNDRV_CTL_ELEM_IFACE_MIXER,
-        .name =         "Analog Front Playback Volume",
-        .info =         snd_ca0106_volume_info,
-        .get =          snd_ca0106_volume_get_analog_front,
-        .put =          snd_ca0106_volume_put_analog_front
-};
-static snd_kcontrol_new_t snd_ca0106_volume_control_analog_center_lfe =
-{
-        .iface =        SNDRV_CTL_ELEM_IFACE_MIXER,
-        .name =         "Analog Center/LFE Playback Volume",
-        .info =         snd_ca0106_volume_info,
-        .get =          snd_ca0106_volume_get_analog_center_lfe,
-        .put =          snd_ca0106_volume_put_analog_center_lfe
-};
-static snd_kcontrol_new_t snd_ca0106_volume_control_analog_unknown =
-{
-        .iface =        SNDRV_CTL_ELEM_IFACE_MIXER,
-        .name =         "Analog Side Playback Volume",
-        .info =         snd_ca0106_volume_info,
-        .get =          snd_ca0106_volume_get_analog_unknown,
-        .put =          snd_ca0106_volume_put_analog_unknown
-};
-static snd_kcontrol_new_t snd_ca0106_volume_control_analog_rear =
-{
-        .iface =        SNDRV_CTL_ELEM_IFACE_MIXER,
-        .name =         "Analog Rear Playback Volume",
-        .info =         snd_ca0106_volume_info,
-        .get =          snd_ca0106_volume_get_analog_rear,
-        .put =          snd_ca0106_volume_put_analog_rear
-};
-static snd_kcontrol_new_t snd_ca0106_volume_control_spdif_front =
-{
-        .iface =        SNDRV_CTL_ELEM_IFACE_MIXER,
-        .name =         "SPDIF Front Playback Volume",
-        .info =         snd_ca0106_volume_info,
-        .get =          snd_ca0106_volume_get_spdif_front,
-        .put =          snd_ca0106_volume_put_spdif_front
-};
-static snd_kcontrol_new_t snd_ca0106_volume_control_spdif_center_lfe =
-{
-        .iface =        SNDRV_CTL_ELEM_IFACE_MIXER,
-        .name =         "SPDIF Center/LFE Playback Volume",
-        .info =         snd_ca0106_volume_info,
-        .get =          snd_ca0106_volume_get_spdif_center_lfe,
-        .put =          snd_ca0106_volume_put_spdif_center_lfe
-};
-static snd_kcontrol_new_t snd_ca0106_volume_control_spdif_unknown =
-{
-        .iface =        SNDRV_CTL_ELEM_IFACE_MIXER,
-        .name =         "SPDIF Unknown Playback Volume",
-        .info =         snd_ca0106_volume_info,
-        .get =          snd_ca0106_volume_get_spdif_unknown,
-        .put =          snd_ca0106_volume_put_spdif_unknown
-};
-static snd_kcontrol_new_t snd_ca0106_volume_control_spdif_rear =
-{
-        .iface =        SNDRV_CTL_ELEM_IFACE_MIXER,
-        .name =         "SPDIF Rear Playback Volume",
-        .info =         snd_ca0106_volume_info,
-        .get =          snd_ca0106_volume_get_spdif_rear,
-        .put =          snd_ca0106_volume_put_spdif_rear
-};
-
-static snd_kcontrol_new_t snd_ca0106_volume_control_feedback =
-{
-        .iface =        SNDRV_CTL_ELEM_IFACE_MIXER,
-        .name =         "CAPTURE feedback Playback Volume",
-        .info =         snd_ca0106_volume_info,
-        .get =          snd_ca0106_volume_get_feedback,
-        .put =          snd_ca0106_volume_put_feedback
+        unsigned int oval, nval;
+       int channel_id, reg;
+
+       channel_id = (kcontrol->private_value >> 8) & 0xff;
+       reg = kcontrol->private_value & 0xff;
+
+       oval = snd_ca0106_ptr_read(emu, reg, channel_id);
+       nval = ((0xff - ucontrol->value.integer.value[0]) << 24) |
+               ((0xff - ucontrol->value.integer.value[1]) << 16);
+        nval |= ((0xff - ucontrol->value.integer.value[0]) << 8) |
+               ((0xff - ucontrol->value.integer.value[1]) );
+       if (oval == nval)
+               return 0;
+       snd_ca0106_ptr_write(emu, reg, channel_id, nval);
+       return 1;
+}
+
+#define CA_VOLUME(xname,chid,reg) \
+{                                                              \
+       .iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = xname,     \
+       .info = snd_ca0106_volume_info,                         \
+       .get =          snd_ca0106_volume_get,                  \
+       .put =          snd_ca0106_volume_put,                  \
+       .private_value = ((chid) << 8) | (reg)                  \
+}
+
+
+static snd_kcontrol_new_t snd_ca0106_volume_ctls[] __devinitdata = {
+       CA_VOLUME("Analog Front Playback Volume",
+                 CONTROL_FRONT_CHANNEL, PLAYBACK_VOLUME2),
+        CA_VOLUME("Analog Rear Playback Volume",
+                 CONTROL_REAR_CHANNEL, PLAYBACK_VOLUME2),
+       CA_VOLUME("Analog Center/LFE Playback Volume",
+                 CONTROL_CENTER_LFE_CHANNEL, PLAYBACK_VOLUME2),
+        CA_VOLUME("Analog Side Playback Volume",
+                 CONTROL_UNKNOWN_CHANNEL, PLAYBACK_VOLUME2),
+
+        CA_VOLUME("SPDIF Front Playback Volume",
+                 CONTROL_FRONT_CHANNEL, PLAYBACK_VOLUME1),
+       CA_VOLUME("SPDIF Rear Playback Volume",
+                 CONTROL_REAR_CHANNEL, PLAYBACK_VOLUME1),
+       CA_VOLUME("SPDIF Center/LFE Playback Volume",
+                 CONTROL_CENTER_LFE_CHANNEL, PLAYBACK_VOLUME1),
+       CA_VOLUME("SPDIF Unknown Playback Volume",
+                 CONTROL_UNKNOWN_CHANNEL, PLAYBACK_VOLUME1),
+
+        CA_VOLUME("CAPTURE feedback Playback Volume",
+                 1, CAPTURE_CONTROL),
+
+       {
+               .access =       SNDRV_CTL_ELEM_ACCESS_READ,
+               .iface =        SNDRV_CTL_ELEM_IFACE_PCM,
+               .name =         SNDRV_CTL_NAME_IEC958("",PLAYBACK,MASK),
+               .count =        4,
+               .info =         snd_ca0106_spdif_info,
+               .get =          snd_ca0106_spdif_get_mask
+       },
+       {
+               .iface =        SNDRV_CTL_ELEM_IFACE_MIXER,
+               .name =         "SPDIF Out",
+               .info =         snd_ca0106_shared_spdif_info,
+               .get =          snd_ca0106_shared_spdif_get,
+               .put =          snd_ca0106_shared_spdif_put
+       },
+       {
+               .iface =        SNDRV_CTL_ELEM_IFACE_MIXER,
+               .name =         "Capture Source",
+               .info =         snd_ca0106_capture_source_info,
+               .get =          snd_ca0106_capture_source_get,
+               .put =          snd_ca0106_capture_source_put
+       },
+       {
+               .iface =        SNDRV_CTL_ELEM_IFACE_PCM,
+               .name =         SNDRV_CTL_NAME_IEC958("",PLAYBACK,DEFAULT),
+               .count =        4,
+               .info =         snd_ca0106_spdif_info,
+               .get =          snd_ca0106_spdif_get,
+               .put =          snd_ca0106_spdif_put
+       },
 };
 
-
-static int remove_ctl(snd_card_t *card, const char *name)
+static int __devinit remove_ctl(snd_card_t *card, const char *name)
 {
        snd_ctl_elem_id_t id;
        memset(&id, 0, sizeof(id));
@@ -563,7 +397,7 @@ static int remove_ctl(snd_card_t *card, const char *name)
        return snd_ctl_remove_id(card, &id);
 }
 
-static snd_kcontrol_t *ctl_find(snd_card_t *card, const char *name)
+static snd_kcontrol_t __devinit *ctl_find(snd_card_t *card, const char *name)
 {
        snd_ctl_elem_id_t sid;
        memset(&sid, 0, sizeof(sid));
@@ -573,7 +407,7 @@ static snd_kcontrol_t *ctl_find(snd_card_t *card, const char *name)
        return snd_ctl_find_id(card, &sid);
 }
 
-static int rename_ctl(snd_card_t *card, const char *src, const char *dst)
+static int __devinit rename_ctl(snd_card_t *card, const char *src, const char *dst)
 {
        snd_kcontrol_t *kctl = ctl_find(card, src);
        if (kctl) {
@@ -585,8 +419,7 @@ static int rename_ctl(snd_card_t *card, const char *src, const char *dst)
 
 int __devinit snd_ca0106_mixer(ca0106_t *emu)
 {
-        int err;
-        snd_kcontrol_t *kctl;
+       int i, err;
         snd_card_t *card = emu->card;
        char **c;
        static char *ca0106_remove_ctls[] = {
@@ -627,70 +460,22 @@ int __devinit snd_ca0106_mixer(ca0106_t *emu)
                NULL
        };
 #if 1
-       for (c=ca0106_remove_ctls; *c; c++)
+       for (c = ca0106_remove_ctls; *c; c++)
                remove_ctl(card, *c);
-       for (c=ca0106_rename_ctls; *c; c += 2)
+       for (c = ca0106_rename_ctls; *c; c += 2)
                rename_ctl(card, c[0], c[1]);
 #endif
 
-        if ((kctl = snd_ctl_new1(&snd_ca0106_volume_control_analog_front, emu)) == NULL)
-                return -ENOMEM;
-        if ((err = snd_ctl_add(card, kctl)))
-                return err;
-        if ((kctl = snd_ctl_new1(&snd_ca0106_volume_control_analog_rear, emu)) == NULL)
-                return -ENOMEM;
-        if ((err = snd_ctl_add(card, kctl)))
-                return err;
-        if ((kctl = snd_ctl_new1(&snd_ca0106_volume_control_analog_center_lfe, emu)) == NULL)
-                return -ENOMEM;
-        if ((err = snd_ctl_add(card, kctl)))
-                return err;
-        if ((kctl = snd_ctl_new1(&snd_ca0106_volume_control_analog_unknown, emu)) == NULL)
-                return -ENOMEM;
-        if ((err = snd_ctl_add(card, kctl)))
-                return err;
-        if ((kctl = snd_ctl_new1(&snd_ca0106_volume_control_spdif_front, emu)) == NULL)
-                return -ENOMEM;
-        if ((err = snd_ctl_add(card, kctl)))
-                return err;
-        if ((kctl = snd_ctl_new1(&snd_ca0106_volume_control_spdif_rear, emu)) == NULL)
-                return -ENOMEM;
-        if ((err = snd_ctl_add(card, kctl)))
-                return err;
-        if ((kctl = snd_ctl_new1(&snd_ca0106_volume_control_spdif_center_lfe, emu)) == NULL)
-                return -ENOMEM;
-        if ((err = snd_ctl_add(card, kctl)))
-                return err;
-        if ((kctl = snd_ctl_new1(&snd_ca0106_volume_control_spdif_unknown, emu)) == NULL)
-                return -ENOMEM;
-        if ((err = snd_ctl_add(card, kctl)))
-                return err;
-        if ((kctl = snd_ctl_new1(&snd_ca0106_volume_control_feedback, emu)) == NULL)
-                return -ENOMEM;
-        if ((err = snd_ctl_add(card, kctl)))
-                return err;
-       if ((kctl = snd_ctl_new1(&snd_ca0106_spdif_mask_control, emu)) == NULL)
-               return -ENOMEM;
-       if ((err = snd_ctl_add(card, kctl)))
-               return err;
-       if ((kctl = snd_ctl_new1(&snd_ca0106_shared_spdif, emu)) == NULL)
-               return -ENOMEM;
-       if ((err = snd_ctl_add(card, kctl)))
-               return err;
-       if ((kctl = snd_ctl_new1(&snd_ca0106_capture_source, emu)) == NULL)
-               return -ENOMEM;
-       if ((err = snd_ctl_add(card, kctl)))
-               return err;
+       for (i = 0; i < ARRAY_SIZE(snd_ca0106_volume_ctls); i++) {
+               err = snd_ctl_add(card, snd_ctl_new1(&snd_ca0106_volume_ctls[i], emu));
+               if (err < 0)
+                       return err;
+       }
        if (emu->details->i2c_adc == 1) {
-               if ((kctl = snd_ctl_new1(&snd_ca0106_capture_mic_line_in, emu)) == NULL)
-                       return -ENOMEM;
-               if ((err = snd_ctl_add(card, kctl)))
+               err = snd_ctl_add(card, snd_ctl_new1(&snd_ca0106_capture_mic_line_in, emu));
+               if (err < 0)
                        return err;
        }
-       if ((kctl = snd_ctl_new1(&snd_ca0106_spdif_control, emu)) == NULL)
-               return -ENOMEM;
-       if ((err = snd_ctl_add(card, kctl)))
-               return err;
         return 0;
 }