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ALSA: fm801: 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/20191209094943.14984-40-tiwai@suse.de
Signed-off-by: Takashi Iwai <tiwai@suse.de>
This commit is contained in:
Takashi Iwai 2019-12-09 10:49:11 +01:00
parent d244a1db6f
commit 247ed10204
1 changed files with 2 additions and 18 deletions
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20
sound/pci/fm801.c
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@ -435,17 +435,6 @@ static int snd_fm801_capture_trigger(struct snd_pcm_substream *substream,
return 0;
}
static int snd_fm801_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_fm801_hw_free(struct snd_pcm_substream *substream)
{
return snd_pcm_lib_free_pages(substream);
}
static int snd_fm801_playback_prepare(struct snd_pcm_substream *substream)
{
struct fm801 *chip = snd_pcm_substream_chip(substream);
@ -685,8 +674,6 @@ static const struct snd_pcm_ops snd_fm801_playback_ops = {
.open = snd_fm801_playback_open,
.close = snd_fm801_playback_close,
.ioctl = snd_pcm_lib_ioctl,
.hw_params = snd_fm801_hw_params,
.hw_free = snd_fm801_hw_free,
.prepare = snd_fm801_playback_prepare,
.trigger = snd_fm801_playback_trigger,
.pointer = snd_fm801_playback_pointer,
@ -696,8 +683,6 @@ static const struct snd_pcm_ops snd_fm801_capture_ops = {
.open = snd_fm801_capture_open,
.close = snd_fm801_capture_close,
.ioctl = snd_pcm_lib_ioctl,
.hw_params = snd_fm801_hw_params,
.hw_free = snd_fm801_hw_free,
.prepare = snd_fm801_capture_prepare,
.trigger = snd_fm801_capture_trigger,
.pointer = snd_fm801_capture_pointer,
@ -720,9 +705,8 @@ static int snd_fm801_pcm(struct fm801 *chip, int device)
strcpy(pcm->name, "FM801");
chip->pcm = pcm;
snd_pcm_lib_preallocate_pages_for_all(pcm, SNDRV_DMA_TYPE_DEV,
&pdev->dev,
chip->multichannel ? 128*1024 : 64*1024, 128*1024);
snd_pcm_set_managed_buffer_all(pcm, SNDRV_DMA_TYPE_DEV, &pdev->dev,
chip->multichannel ? 128*1024 : 64*1024, 128*1024);
return snd_pcm_add_chmap_ctls(pcm, SNDRV_PCM_STREAM_PLAYBACK,
snd_pcm_alt_chmaps,