Minki/linux
1
0
Fork 1
mirror of https://github.com/torvalds/linux.git synced 2024-11-11 14:42:24 +00:00
Code Issues Packages Projects Releases Wiki Activity

ASoC: qcom: qdsp6: Use managed buffer allocation

Browse Source 
This patch simplifies the buffer pre-allocation code of qcom qdsp6
driver with the standard managed buffer helper.  It uses the newly
introduced fixed-size buffer allocation helper.

Cc: Srinivas Kandagatla <srinivas.kandagatla@linaro.org>
Cc: Banajit Goswami <bgoswami@codeaurora.org>
Acked-by: Mark Brown <broonie@kernel.org>
Tested-by: Srinivas Kandagatla <srinivas.kandagatla@linaro.org>
Link: https://lore.kernel.org/r/20210802072815.13551-15-tiwai@suse.de
Signed-off-by: Takashi Iwai <tiwai@suse.de>
This commit is contained in:
Takashi Iwai 2021-08-02 09:28:14 +02:00
parent 15a52cdcb0
commit 8c505b773d
1 changed files with 3 additions and 60 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

63
sound/soc/qcom/qdsp6/q6asm-dai.c
View File

@ -429,8 +429,6 @@ static int q6asm_dai_open(struct snd_soc_component *component,
else
prtd->phys = substream->dma_buffer.addr | (pdata->sid << 32);
snd_pcm_set_runtime_buffer(substream, &substream->dma_buffer);
return 0;
}
@ -470,18 +468,6 @@ static snd_pcm_uframes_t q6asm_dai_pointer(struct snd_soc_component *component,
return bytes_to_frames(runtime, (prtd->pcm_irq_pos));
}
static int q6asm_dai_mmap(struct snd_soc_component *component,
struct snd_pcm_substream *substream,
struct vm_area_struct *vma)
{
struct snd_pcm_runtime *runtime = substream->runtime;
struct device *dev = component->dev;
return dma_mmap_coherent(dev, vma,
runtime->dma_area, runtime->dma_addr,
runtime->dma_bytes);
}
static int q6asm_dai_hw_params(struct snd_soc_component *component,
struct snd_pcm_substream *substream,
struct snd_pcm_hw_params *params)
@ -1185,52 +1171,11 @@ static const struct snd_compress_ops q6asm_dai_compress_ops = {
static int q6asm_dai_pcm_new(struct snd_soc_component *component,
struct snd_soc_pcm_runtime *rtd)
{
struct snd_pcm_substream *psubstream, *csubstream;
struct snd_pcm *pcm = rtd->pcm;
struct device *dev;
int size, ret;
size_t size = q6asm_dai_hardware_playback.buffer_bytes_max;
dev = component->dev;
size = q6asm_dai_hardware_playback.buffer_bytes_max;
psubstream = pcm->streams[SNDRV_PCM_STREAM_PLAYBACK].substream;
if (psubstream) {
ret = snd_dma_alloc_pages(SNDRV_DMA_TYPE_DEV, dev, size,
&psubstream->dma_buffer);
if (ret) {
dev_err(dev, "Cannot allocate buffer(s)\n");
return ret;
}
}
csubstream = pcm->streams[SNDRV_PCM_STREAM_CAPTURE].substream;
if (csubstream) {
ret = snd_dma_alloc_pages(SNDRV_DMA_TYPE_DEV, dev, size,
&csubstream->dma_buffer);
if (ret) {
dev_err(dev, "Cannot allocate buffer(s)\n");
if (psubstream)
snd_dma_free_pages(&psubstream->dma_buffer);
return ret;
}
}
return 0;
}
static void q6asm_dai_pcm_free(struct snd_soc_component *component,
struct snd_pcm *pcm)
{
struct snd_pcm_substream *substream;
int i;
for (i = 0; i < ARRAY_SIZE(pcm->streams); i++) {
substream = pcm->streams[i].substream;
if (substream) {
snd_dma_free_pages(&substream->dma_buffer);
substream->dma_buffer.area = NULL;
substream->dma_buffer.addr = 0;
}
}
return snd_pcm_set_fixed_buffer_all(pcm, SNDRV_DMA_TYPE_DEV,
component->dev, size);
}
static const struct snd_soc_dapm_widget q6asm_dapm_widgets[] = {
@ -1260,9 +1205,7 @@ static const struct snd_soc_component_driver q6asm_fe_dai_component = {
.prepare = q6asm_dai_prepare,
.trigger = q6asm_dai_trigger,
.pointer = q6asm_dai_pointer,
.mmap = q6asm_dai_mmap,
.pcm_construct = q6asm_dai_pcm_new,
.pcm_destruct = q6asm_dai_pcm_free,
.compress_ops = &q6asm_dai_compress_ops,
.dapm_widgets = q6asm_dapm_widgets,
.num_dapm_widgets = ARRAY_SIZE(q6asm_dapm_widgets),