[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>
diff --git a/sound/pci/oxygen/oxygen.c b/sound/pci/oxygen/oxygen.c
index adf91cc..f8e3fd3 100644
--- a/sound/pci/oxygen/oxygen.c
+++ b/sound/pci/oxygen/oxygen.c
@@ -163,6 +163,18 @@
{
}
+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 @@
.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,