@@ -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,
@@ -875,9 +865,9 @@ 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,
- card->dev,
- 64*1024, gus->gf1.dma1 > 3 ? 128*1024 : 64*1024);
+ snd_pcm_set_managed_buffer(substream, SNDRV_DMA_TYPE_DEV,
+ card->dev,
+ 64*1024, gus->gf1.dma1 > 3 ? 128*1024 : 64*1024);
pcm->info_flags = 0;
pcm->dev_subclass = SNDRV_PCM_SUBCLASS_GENERIC_MIX;
@@ -885,9 +875,9 @@ 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,
- SNDRV_DMA_TYPE_DEV, card->dev,
- 64*1024, gus->gf1.dma2 > 3 ? 128*1024 : 64*1024);
+ 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);
}
strcpy(pcm->name, pcm->id);
if (gus->interwave) {
Clean up the driver with the new managed buffer allocation API. The hw_free callback became superfluous and got dropped. Signed-off-by: Takashi Iwai <tiwai@suse.de> --- sound/isa/gus/gus_pcm.c | 28 +++++++++------------------- 1 file changed, 9 insertions(+), 19 deletions(-)