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ALSA: gus: Use managed buffer allocation 

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

Link: https://lore.kernel.org/r/20191209094943.14984-16-tiwai@suse.de
Signed-off-by: Takashi Iwai <tiwai@suse.de>
This commit is contained in:
Takashi Iwai 2019-12-09 10:48:47 +01:00
parent 07ed72ba4d
commit a57214e548
1 changed files with 9 additions and 19 deletions
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18
sound/isa/gus/gus_pcm.c
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@ -423,11 +423,8 @@ static int snd_gf1_pcm_playback_hw_params(struct snd_pcm_substream *substream,
struct snd_gus_card *gus = snd_pcm_substream_chip(substream);
struct snd_pcm_runtime *runtime = substream->runtime;
struct gus_pcm_private *pcmp = runtime->private_data;
int err;
if ((err = snd_pcm_lib_malloc_pages(substream, params_buffer_bytes(hw_params))) < 0)
return err;
if (err > 0) { /* change */
if (runtime->buffer_changed) {
struct snd_gf1_mem_block *block;
if (pcmp->memory > 0) {
snd_gf1_mem_free(&gus->gf1.mem_alloc, pcmp->memory);
@ -471,7 +468,6 @@ static int snd_gf1_pcm_playback_hw_free(struct snd_pcm_substream *substream)
struct snd_pcm_runtime *runtime = substream->runtime;
struct gus_pcm_private *pcmp = runtime->private_data;
snd_pcm_lib_free_pages(substream);
if (pcmp->pvoices[0]) {
snd_gf1_free_voice(pcmp->gus, pcmp->pvoices[0]);
pcmp->pvoices[0] = NULL;
@ -574,12 +570,7 @@ static int snd_gf1_pcm_capture_hw_params(struct snd_pcm_substream *substream,
gus->gf1.pcm_rcntrl_reg |= 4;
if (snd_pcm_format_unsigned(params_format(hw_params)))
gus->gf1.pcm_rcntrl_reg |= 0x80;
return snd_pcm_lib_malloc_pages(substream, params_buffer_bytes(hw_params));
}
static int snd_gf1_pcm_capture_hw_free(struct snd_pcm_substream *substream)
{
return snd_pcm_lib_free_pages(substream);
return 0;
}
static int snd_gf1_pcm_capture_prepare(struct snd_pcm_substream *substream)
@ -846,7 +837,6 @@ static const struct snd_pcm_ops snd_gf1_pcm_capture_ops = {
.close = snd_gf1_pcm_capture_close,
.ioctl = snd_pcm_lib_ioctl,
.hw_params = snd_gf1_pcm_capture_hw_params,
.hw_free = snd_gf1_pcm_capture_hw_free,
.prepare = snd_gf1_pcm_capture_prepare,
.trigger = snd_gf1_pcm_capture_trigger,
.pointer = snd_gf1_pcm_capture_pointer,
@ -875,7 +865,7 @@ int snd_gf1_pcm_new(struct snd_gus_card *gus, int pcm_dev, int control_index)
snd_pcm_set_ops(pcm, SNDRV_PCM_STREAM_PLAYBACK, &snd_gf1_pcm_playback_ops);
for (substream = pcm->streams[SNDRV_PCM_STREAM_PLAYBACK].substream; substream; substream = substream->next)
snd_pcm_lib_preallocate_pages(substream, SNDRV_DMA_TYPE_DEV,
snd_pcm_set_managed_buffer(substream, SNDRV_DMA_TYPE_DEV,
card->dev,
64*1024, gus->gf1.dma1 > 3 ? 128*1024 : 64*1024);
@ -885,7 +875,7 @@ int snd_gf1_pcm_new(struct snd_gus_card *gus, int pcm_dev, int control_index)
snd_pcm_set_ops(pcm, SNDRV_PCM_STREAM_CAPTURE, &snd_gf1_pcm_capture_ops);
if (gus->gf1.dma2 == gus->gf1.dma1)
pcm->info_flags |= SNDRV_PCM_INFO_HALF_DUPLEX;
snd_pcm_lib_preallocate_pages(pcm->streams[SNDRV_PCM_STREAM_CAPTURE].substream,
snd_pcm_set_managed_buffer(pcm->streams[SNDRV_PCM_STREAM_CAPTURE].substream,
SNDRV_DMA_TYPE_DEV, card->dev,
64*1024, gus->gf1.dma2 > 3 ? 128*1024 : 64*1024);
}