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authorTakashi Iwai <tiwai@suse.de>2019-12-09 10:49:03 +0100
committerTakashi Iwai <tiwai@suse.de>2019-12-11 07:25:08 +0100
commit44e78a1a85ad5b893dda6cbf866e9e14acf71e0d (patch)
tree745fb81915955f0c3ef998eb6b3fd36c8b5c30b2 /sound
parentd841e2e88f00310b2602da3095700a0226983953 (diff)
ALSA: cs4281: Use managed buffer allocation
Clean up the driver with the new managed buffer allocation API. The hw_params and hw_free callbacks became superfluous and got dropped. Link: https://lore.kernel.org/r/20191209094943.14984-32-tiwai@suse.de Signed-off-by: Takashi Iwai <tiwai@suse.de>
Diffstat (limited to 'sound')
-rw-r--r--sound/pci/cs4281.c20
1 files changed, 2 insertions, 18 deletions
diff --git a/sound/pci/cs4281.c b/sound/pci/cs4281.c
index 058c1414b777..ea665d42107e 100644
--- a/sound/pci/cs4281.c
+++ b/sound/pci/cs4281.c
@@ -780,17 +780,6 @@ static void snd_cs4281_mode(struct cs4281 *chip, struct cs4281_dma *dma,
snd_cs4281_pokeBA0(chip, dma->regFSIC, 0);
}
-static int snd_cs4281_hw_params(struct snd_pcm_substream *substream,
- struct snd_pcm_hw_params *hw_params)
-{
- return snd_pcm_lib_malloc_pages(substream, params_buffer_bytes(hw_params));
-}
-
-static int snd_cs4281_hw_free(struct snd_pcm_substream *substream)
-{
- return snd_pcm_lib_free_pages(substream);
-}
-
static int snd_cs4281_playback_prepare(struct snd_pcm_substream *substream)
{
struct snd_pcm_runtime *runtime = substream->runtime;
@@ -939,8 +928,6 @@ static const struct snd_pcm_ops snd_cs4281_playback_ops = {
.open = snd_cs4281_playback_open,
.close = snd_cs4281_playback_close,
.ioctl = snd_pcm_lib_ioctl,
- .hw_params = snd_cs4281_hw_params,
- .hw_free = snd_cs4281_hw_free,
.prepare = snd_cs4281_playback_prepare,
.trigger = snd_cs4281_trigger,
.pointer = snd_cs4281_pointer,
@@ -950,8 +937,6 @@ static const struct snd_pcm_ops snd_cs4281_capture_ops = {
.open = snd_cs4281_capture_open,
.close = snd_cs4281_capture_close,
.ioctl = snd_pcm_lib_ioctl,
- .hw_params = snd_cs4281_hw_params,
- .hw_free = snd_cs4281_hw_free,
.prepare = snd_cs4281_capture_prepare,
.trigger = snd_cs4281_trigger,
.pointer = snd_cs4281_pointer,
@@ -974,9 +959,8 @@ static int snd_cs4281_pcm(struct cs4281 *chip, int device)
strcpy(pcm->name, "CS4281");
chip->pcm = pcm;
- snd_pcm_lib_preallocate_pages_for_all(pcm, SNDRV_DMA_TYPE_DEV,
- &chip->pci->dev,
- 64*1024, 512*1024);
+ snd_pcm_set_managed_buffer_all(pcm, SNDRV_DMA_TYPE_DEV, &chip->pci->dev,
+ 64*1024, 512*1024);
return 0;
}