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ALSA: aoa: Use managed buffer allocation 

Clean up the driver with the new managed buffer allocation API.
The hw_params callbacks became superfluous and got dropped.

Link: https://lore.kernel.org/r/20191209094943.14984-2-tiwai@suse.de
Signed-off-by: Takashi Iwai <tiwai@suse.de>
This commit is contained in:
Takashi Iwai 2019-12-09 10:48:33 +01:00
parent 88452da92b
commit 9b2433a9c5
1 changed files with 1 additions and 10 deletions
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11
sound/aoa/soundbus/i2sbus/pcm.c
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@ -294,12 +294,6 @@ void i2sbus_wait_for_stop_both(struct i2sbus_dev *i2sdev)
}
#endif
static int i2sbus_hw_params(struct snd_pcm_substream *substream,
struct snd_pcm_hw_params *params)
{
return snd_pcm_lib_malloc_pages(substream, params_buffer_bytes(params));
}
static inline int i2sbus_hw_free(struct snd_pcm_substream *substream, int in)
{
struct i2sbus_dev *i2sdev = snd_pcm_substream_chip(substream);
@ -308,7 +302,6 @@ static inline int i2sbus_hw_free(struct snd_pcm_substream *substream, int in)
get_pcm_info(i2sdev, in, &pi, NULL);
if (pi->dbdma_ring.stopping)
i2sbus_wait_for_stop(i2sdev, pi);
snd_pcm_lib_free_pages(substream);
return 0;
}
@ -781,7 +774,6 @@ static const struct snd_pcm_ops i2sbus_playback_ops = {
.open = i2sbus_playback_open,
.close = i2sbus_playback_close,
.ioctl = snd_pcm_lib_ioctl,
.hw_params = i2sbus_hw_params,
.hw_free = i2sbus_playback_hw_free,
.prepare = i2sbus_playback_prepare,
.trigger = i2sbus_playback_trigger,
@ -851,7 +843,6 @@ static const struct snd_pcm_ops i2sbus_record_ops = {
.open = i2sbus_record_open,
.close = i2sbus_record_close,
.ioctl = snd_pcm_lib_ioctl,
.hw_params = i2sbus_hw_params,
.hw_free = i2sbus_record_hw_free,
.prepare = i2sbus_record_prepare,
.trigger = i2sbus_record_trigger,
@ -1026,7 +1017,7 @@ i2sbus_attach_codec(struct soundbus_dev *dev, struct snd_card *card,
dev->pcm->private_free = i2sbus_private_free;
/* well, we really should support scatter/gather DMA */
snd_pcm_lib_preallocate_pages_for_all(
snd_pcm_set_managed_buffer_all(
dev->pcm, SNDRV_DMA_TYPE_DEV,
&macio_get_pci_dev(i2sdev->macio)->dev,
64 * 1024, 64 * 1024);