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ALSA: ad1889: Use managed buffer allocation

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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/20191209094943.14984-20-tiwai@suse.de
Signed-off-by: Takashi Iwai <tiwai@suse.de>
This commit is contained in:
Takashi Iwai 2019-12-09 10:48:51 +01:00
parent 005f3e67a8
commit 93d6487f7a
1 changed files with 2 additions and 22 deletions
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24
sound/pci/ad1889.c
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@ -257,20 +257,6 @@ snd_ad1889_ac97_ready(struct snd_ad1889 *chip)
return 0;
}
static int
snd_ad1889_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_ad1889_hw_free(struct snd_pcm_substream *substream)
{
return snd_pcm_lib_free_pages(substream);
}
static const struct snd_pcm_hardware snd_ad1889_playback_hw = {
.info = SNDRV_PCM_INFO_MMAP | SNDRV_PCM_INFO_INTERLEAVED |
SNDRV_PCM_INFO_MMAP_VALID | SNDRV_PCM_INFO_BLOCK_TRANSFER,
@ -563,8 +549,6 @@ static const struct snd_pcm_ops snd_ad1889_playback_ops = {
.open = snd_ad1889_playback_open,
.close = snd_ad1889_playback_close,
.ioctl = snd_pcm_lib_ioctl,
.hw_params = snd_ad1889_hw_params,
.hw_free = snd_ad1889_hw_free,
.prepare = snd_ad1889_playback_prepare,
.trigger = snd_ad1889_playback_trigger,
.pointer = snd_ad1889_playback_pointer,
@ -574,8 +558,6 @@ static const struct snd_pcm_ops snd_ad1889_capture_ops = {
.open = snd_ad1889_capture_open,
.close = snd_ad1889_capture_close,
.ioctl = snd_pcm_lib_ioctl,
.hw_params = snd_ad1889_hw_params,
.hw_free = snd_ad1889_hw_free,
.prepare = snd_ad1889_capture_prepare,
.trigger = snd_ad1889_capture_trigger,
.pointer = snd_ad1889_capture_pointer,
@ -632,10 +614,8 @@ snd_ad1889_pcm_init(struct snd_ad1889 *chip, int device)
chip->psubs = NULL;
chip->csubs = NULL;
snd_pcm_lib_preallocate_pages_for_all(pcm, SNDRV_DMA_TYPE_DEV,
&chip->pci->dev,
BUFFER_BYTES_MAX / 2,
BUFFER_BYTES_MAX);
snd_pcm_set_managed_buffer_all(pcm, SNDRV_DMA_TYPE_DEV, &chip->pci->dev,
BUFFER_BYTES_MAX / 2, BUFFER_BYTES_MAX);
return 0;
}