[ALSA] oxygen: add front panel capture
When a second AC97 codec is present, add a PCM device for capturing from
the front panel.
Signed-off-by: Clemens Ladisch <clemens@ladisch.de>
Signed-off-by: Jaroslav Kysela <perex@perex.cz>
diff --git a/sound/pci/oxygen/oxygen_pcm.c b/sound/pci/oxygen/oxygen_pcm.c
index 5b89c72..dfad3db 100644
--- a/sound/pci/oxygen/oxygen_pcm.c
+++ b/sound/pci/oxygen/oxygen_pcm.c
@@ -118,7 +118,11 @@
int err;
runtime->private_data = (void *)(uintptr_t)channel;
- runtime->hw = *oxygen_hardware[channel];
+ if (channel == PCM_B && chip->has_ac97_1 &&
+ (chip->model->used_channels & OXYGEN_CHANNEL_AC97))
+ runtime->hw = oxygen_ac97_hardware;
+ else
+ runtime->hw = *oxygen_hardware[channel];
switch (channel) {
case PCM_C:
runtime->hw.rates &= ~(SNDRV_PCM_RATE_32000 |
@@ -353,30 +357,37 @@
struct snd_pcm_hw_params *hw_params)
{
struct oxygen *chip = snd_pcm_substream_chip(substream);
+ int is_ac97;
int err;
err = oxygen_hw_params(substream, hw_params);
if (err < 0)
return err;
+ is_ac97 = chip->has_ac97_1 &&
+ (chip->model->used_channels & OXYGEN_CHANNEL_AC97);
+
spin_lock_irq(&chip->reg_lock);
oxygen_write8_masked(chip, OXYGEN_REC_FORMAT,
oxygen_format(hw_params) << OXYGEN_REC_FORMAT_B_SHIFT,
OXYGEN_REC_FORMAT_B_MASK);
- oxygen_write16_masked(chip, OXYGEN_I2S_B_FORMAT,
- oxygen_rate(hw_params) |
- oxygen_i2s_mclk(hw_params) |
- chip->model->adc_i2s_format |
- oxygen_i2s_bits(hw_params),
- OXYGEN_I2S_RATE_MASK |
- OXYGEN_I2S_FORMAT_MASK |
- OXYGEN_I2S_MCLK_MASK |
- OXYGEN_I2S_BITS_MASK);
+ if (!is_ac97)
+ oxygen_write16_masked(chip, OXYGEN_I2S_B_FORMAT,
+ oxygen_rate(hw_params) |
+ oxygen_i2s_mclk(hw_params) |
+ chip->model->adc_i2s_format |
+ oxygen_i2s_bits(hw_params),
+ OXYGEN_I2S_RATE_MASK |
+ OXYGEN_I2S_FORMAT_MASK |
+ OXYGEN_I2S_MCLK_MASK |
+ OXYGEN_I2S_BITS_MASK);
spin_unlock_irq(&chip->reg_lock);
- mutex_lock(&chip->mutex);
- chip->model->set_adc_params(chip, hw_params);
- mutex_unlock(&chip->mutex);
+ if (!is_ac97) {
+ mutex_lock(&chip->mutex);
+ chip->model->set_adc_params(chip, hw_params);
+ mutex_unlock(&chip->mutex);
+ }
return 0;
}
@@ -677,23 +688,28 @@
outs = chip->has_ac97_1 &&
(chip->model->used_channels & OXYGEN_CHANNEL_AC97);
- ins = (chip->model->used_channels & (OXYGEN_CHANNEL_A |
- OXYGEN_CHANNEL_B))
+ ins = outs ||
+ (chip->model->used_channels & (OXYGEN_CHANNEL_A |
+ OXYGEN_CHANNEL_B))
== (OXYGEN_CHANNEL_A | OXYGEN_CHANNEL_B);
if (outs | ins) {
- err = snd_pcm_new(chip->card, ins ? "Analog2" : "AC97",
+ err = snd_pcm_new(chip->card, outs ? "AC97" : "Analog2",
2, outs, ins, &pcm);
if (err < 0)
return err;
- if (outs)
+ if (outs) {
snd_pcm_set_ops(pcm, SNDRV_PCM_STREAM_PLAYBACK,
&oxygen_ac97_ops);
+ oxygen_write8_masked(chip, OXYGEN_REC_ROUTING,
+ OXYGEN_REC_B_ROUTE_AC97_1,
+ OXYGEN_REC_B_ROUTE_MASK);
+ }
if (ins)
snd_pcm_set_ops(pcm, SNDRV_PCM_STREAM_CAPTURE,
&oxygen_rec_b_ops);
pcm->private_data = chip;
pcm->private_free = oxygen_pcm_free;
- strcpy(pcm->name, ins ? "Analog 2" : "Front Panel");
+ strcpy(pcm->name, outs ? "Front Panel" : "Analog 2");
snd_pcm_lib_preallocate_pages_for_all(pcm, SNDRV_DMA_TYPE_DEV,
snd_dma_pci_data(chip->pci),
128 * 1024, 256 * 1024);