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| author | Clemens Ladisch <clemens@ladisch.de> | 2008-01-16 08:32:53 +0100 |
|---|---|---|
| committer | Jaroslav Kysela <perex@perex.cz> | 2008-01-31 17:30:00 +0100 |
| commit | 747c6016ced692db18d7e849e8cbdc523fba0874 (patch) | |
| tree | 76b4e8652318d090c788e172df03afe65c9a37ce | |
| parent | ccc80fb467a88ceb7ce1b68546632b91e5ba6c18 (diff) | |
| download | blackbird-op-linux-747c6016ced692db18d7e849e8cbdc523fba0874.tar.gz blackbird-op-linux-747c6016ced692db18d7e849e8cbdc523fba0874.zip | |
[ALSA] oxygen: make PCM limits configurable
Add a callback to the model structure to allow modification of the
hardware PCM limits.
Signed-off-by: Clemens Ladisch <clemens@ladisch.de>
Signed-off-by: Jaroslav Kysela <perex@perex.cz>
| -rw-r--r-- | sound/pci/oxygen/oxygen.c | 13 | ||||
| -rw-r--r-- | sound/pci/oxygen/oxygen.h | 3 | ||||
| -rw-r--r-- | sound/pci/oxygen/oxygen_pcm.c | 10 |
3 files changed, 24 insertions, 2 deletions
diff --git a/sound/pci/oxygen/oxygen.c b/sound/pci/oxygen/oxygen.c index adf91cc3e1ae..f8e3fd39749d 100644 --- a/sound/pci/oxygen/oxygen.c +++ b/sound/pci/oxygen/oxygen.c @@ -163,6 +163,18 @@ static void generic_cleanup(struct oxygen *chip) { } +static void generic_pcm_hardware_filter(unsigned int channel, + struct snd_pcm_hardware *hardware) +{ + if (channel == PCM_A) { + hardware->rates = SNDRV_PCM_RATE_44100 | + SNDRV_PCM_RATE_48000 | + SNDRV_PCM_RATE_96000 | + SNDRV_PCM_RATE_192000; + hardware->rate_min = 44100; + } +} + static void set_ak4396_params(struct oxygen *chip, struct snd_pcm_hw_params *params) { @@ -262,6 +274,7 @@ static const struct oxygen_model model_generic = { .init = generic_init, .control_filter = ak4396_control_filter, .cleanup = generic_cleanup, + .pcm_hardware_filter = generic_pcm_hardware_filter, .set_dac_params = set_ak4396_params, .set_adc_params = set_wm8785_params, .update_dac_volume = update_ak4396_volume, diff --git a/sound/pci/oxygen/oxygen.h b/sound/pci/oxygen/oxygen.h index 7278c1563597..602105ce2947 100644 --- a/sound/pci/oxygen/oxygen.h +++ b/sound/pci/oxygen/oxygen.h @@ -34,6 +34,7 @@ enum { struct pci_dev; struct snd_card; struct snd_pcm_substream; +struct snd_pcm_hardware; struct snd_pcm_hw_params; struct snd_kcontrol_new; struct snd_rawmidi; @@ -75,6 +76,8 @@ struct oxygen_model { int (*control_filter)(struct snd_kcontrol_new *template); int (*mixer_init)(struct oxygen *chip); void (*cleanup)(struct oxygen *chip); + void (*pcm_hardware_filter)(unsigned int channel, + struct snd_pcm_hardware *hardware); void (*set_dac_params)(struct oxygen *chip, struct snd_pcm_hw_params *params); void (*set_adc_params)(struct oxygen *chip, diff --git a/sound/pci/oxygen/oxygen_pcm.c b/sound/pci/oxygen/oxygen_pcm.c index 5f15d355a431..5515c757ec4b 100644 --- a/sound/pci/oxygen/oxygen_pcm.c +++ b/sound/pci/oxygen/oxygen_pcm.c @@ -33,11 +33,15 @@ static struct snd_pcm_hardware oxygen_hardware[PCM_COUNT] = { SNDRV_PCM_INFO_SYNC_START, .formats = SNDRV_PCM_FMTBIT_S16_LE | SNDRV_PCM_FMTBIT_S32_LE, - .rates = SNDRV_PCM_RATE_44100 | + .rates = SNDRV_PCM_RATE_32000 | + SNDRV_PCM_RATE_44100 | SNDRV_PCM_RATE_48000 | + SNDRV_PCM_RATE_64000 | + SNDRV_PCM_RATE_88200 | SNDRV_PCM_RATE_96000 | + SNDRV_PCM_RATE_176400 | SNDRV_PCM_RATE_192000, - .rate_min = 44100, + .rate_min = 32000, .rate_max = 192000, .channels_min = 2, .channels_max = 2, @@ -182,6 +186,8 @@ static int oxygen_open(struct snd_pcm_substream *substream, runtime->private_data = (void *)(uintptr_t)channel; runtime->hw = oxygen_hardware[channel]; + if (chip->model->pcm_hardware_filter) + chip->model->pcm_hardware_filter(channel, &runtime->hw); err = snd_pcm_hw_constraint_step(runtime, 0, SNDRV_PCM_HW_PARAM_PERIOD_BYTES, 32); if (err < 0) |
