Clean up the driver with the new managed buffer allocation API.
The superfluous snd_pcm_lib_malloc_pages() and
snd_pcm_lib_free_pages() calls are dropped.
Signed-off-by: Takashi Iwai <tiwai@xxxxxxx>
---
sound/pci/trident/trident_main.c | 49 ++++++++++++++++------------------------
1 file changed, 19 insertions(+), 30 deletions(-)
diff --git a/sound/pci/trident/trident_main.c b/sound/pci/trident/trident_main.c
index 07022c0dad40..93789069e78f 100644
--- a/sound/pci/trident/trident_main.c
+++ b/sound/pci/trident/trident_main.c
@@ -808,12 +808,9 @@ static int snd_trident_allocate_pcm_mem(struct snd_pcm_substream *substream,
struct snd_trident *trident = snd_pcm_substream_chip(substream);
struct snd_pcm_runtime *runtime = substream->runtime;
struct snd_trident_voice *voice = runtime->private_data;
- int err;
- if ((err = snd_pcm_lib_malloc_pages(substream, params_buffer_bytes(hw_params))) < 0)
- return err;
if (trident->tlb.entries) {
- if (err > 0) { /* change */
+ if (runtime->buffer_changed) {
if (voice->memblk)
snd_trident_free_pages(trident, voice->memblk);
voice->memblk = snd_trident_alloc_pages(trident, substream);
@@ -911,7 +908,6 @@ static int snd_trident_hw_free(struct snd_pcm_substream *substream)
voice->memblk = NULL;
}
}
- snd_pcm_lib_free_pages(substream);
if (evoice != NULL) {
snd_trident_free_voice(trident, evoice);
voice->extra = NULL;
@@ -1128,11 +1124,6 @@ static int snd_trident_capture_prepare(struct snd_pcm_substream *substream)
static int snd_trident_si7018_capture_hw_params(struct snd_pcm_substream *substream,
struct snd_pcm_hw_params *hw_params)
{
- int err;
-
- if ((err = snd_pcm_lib_malloc_pages(substream, params_buffer_bytes(hw_params))) < 0)
- return err;
-
return snd_trident_allocate_evoice(substream, hw_params);
}
@@ -1154,7 +1145,6 @@ static int snd_trident_si7018_capture_hw_free(struct snd_pcm_substream *substrea
struct snd_trident_voice *voice = runtime->private_data;
struct snd_trident_voice *evoice = voice ? voice->extra : NULL;
- snd_pcm_lib_free_pages(substream);
if (evoice != NULL) {
snd_trident_free_voice(trident, evoice);
voice->extra = NULL;
@@ -2183,17 +2173,17 @@ int snd_trident_pcm(struct snd_trident *trident, int device)
if (trident->tlb.entries) {
struct snd_pcm_substream *substream;
for (substream = pcm->streams[SNDRV_PCM_STREAM_PLAYBACK].substream; substream; substream = substream->next)
- snd_pcm_lib_preallocate_pages(substream, SNDRV_DMA_TYPE_DEV_SG,
- &trident->pci->dev,
- 64*1024, 128*1024);
- snd_pcm_lib_preallocate_pages(pcm->streams[SNDRV_PCM_STREAM_CAPTURE].substream,
- SNDRV_DMA_TYPE_DEV,
- &trident->pci->dev,
- 64*1024, 128*1024);
+ snd_pcm_set_managed_buffer(substream, SNDRV_DMA_TYPE_DEV_SG,
+ &trident->pci->dev,
+ 64*1024, 128*1024);
+ snd_pcm_set_managed_buffer(pcm->streams[SNDRV_PCM_STREAM_CAPTURE].substream,
+ SNDRV_DMA_TYPE_DEV,
+ &trident->pci->dev,
+ 64*1024, 128*1024);
} else {
- snd_pcm_lib_preallocate_pages_for_all(pcm, SNDRV_DMA_TYPE_DEV,
- &trident->pci->dev,
- 64*1024, 128*1024);
+ snd_pcm_set_managed_buffer_all(pcm, SNDRV_DMA_TYPE_DEV,
+ &trident->pci->dev,
+ 64*1024, 128*1024);
}
return 0;
@@ -2242,13 +2232,13 @@ int snd_trident_foldback_pcm(struct snd_trident *trident, int device)
trident->foldback = foldback;
if (trident->tlb.entries)
- snd_pcm_lib_preallocate_pages_for_all(foldback, SNDRV_DMA_TYPE_DEV_SG,
- &trident->pci->dev,
- 0, 128*1024);
+ snd_pcm_set_managed_buffer_all(foldback, SNDRV_DMA_TYPE_DEV_SG,
+ &trident->pci->dev,
+ 0, 128*1024);
else
- snd_pcm_lib_preallocate_pages_for_all(foldback, SNDRV_DMA_TYPE_DEV,
- &trident->pci->dev,
- 64*1024, 128*1024);
+ snd_pcm_set_managed_buffer_all(foldback, SNDRV_DMA_TYPE_DEV,
+ &trident->pci->dev,
+ 64*1024, 128*1024);
return 0;
}
@@ -2282,9 +2272,8 @@ int snd_trident_spdif_pcm(struct snd_trident *trident, int device)
strcpy(spdif->name, "Trident 4DWave IEC958");
trident->spdif = spdif;
- snd_pcm_lib_preallocate_pages_for_all(spdif, SNDRV_DMA_TYPE_DEV,
- &trident->pci->dev,
- 64*1024, 128*1024);
+ snd_pcm_set_managed_buffer_all(spdif, SNDRV_DMA_TYPE_DEV,
+ &trident->pci->dev, 64*1024, 128*1024);
return 0;
}
--
2.16.4
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