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| author |   Takashi Iwai <tiwai@suse.de> | 2019-12-09 10:49:17 +0100 |
|---|---|---|
| committer | Takashi Iwai <tiwai@suse.de> | 2019-12-11 07:25:14 +0100 |
| commit | a747db239010bcabe48e3429556b782988a11797 (patch) | |
| tree | 70eef7a55ff25ce6dc0f0472ec8dadafbaaf3b42 /sound/pci/lx6464es | |
| parent | ALSA: lola: Use managed buffer allocation (diff) | |
| download | linux-dev-a747db239010bcabe48e3429556b782988a11797.tar.xz linux-dev-a747db239010bcabe48e3429556b782988a11797.zip | |
ALSA: lx6464es: Use managed buffer allocation
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.
Link: https://lore.kernel.org/r/20191209094943.14984-46-tiwai@suse.de
Signed-off-by: Takashi Iwai <tiwai@suse.de>
Diffstat (limited to 'sound/pci/lx6464es')
| -rw-r--r-- | sound/pci/lx6464es/lx6464es.c | 14 |
1 files changed, 3 insertions, 11 deletions
diff --git a/sound/pci/lx6464es/lx6464es.c b/sound/pci/lx6464es/lx6464es.c index d0f63fa54121..a74d8eade3e2 100644 --- a/sound/pci/lx6464es/lx6464es.c +++ b/sound/pci/lx6464es/lx6464es.c @@ -342,23 +342,18 @@ static int lx_pcm_hw_params(struct snd_pcm_substream *substream, struct snd_pcm_hw_params *hw_params, int is_capture) { struct lx6464es *chip = snd_pcm_substream_chip(substream); - int err = 0; dev_dbg(chip->card->dev, "->lx_pcm_hw_params\n"); mutex_lock(&chip->setup_mutex); - /* set dma buffer */ - err = snd_pcm_lib_malloc_pages(substream, - params_buffer_bytes(hw_params)); - if (is_capture) chip->capture_stream.stream = substream; else chip->playback_stream.stream = substream; mutex_unlock(&chip->setup_mutex); - return err; + return 0; } static int lx_pcm_hw_params_playback(struct snd_pcm_substream *substream, @@ -400,8 +395,6 @@ static int lx_pcm_hw_free(struct snd_pcm_substream *substream) chip->hardware_running[is_capture] = 0; } - err = snd_pcm_lib_free_pages(substream); - if (is_capture) chip->capture_stream.stream = NULL; else @@ -845,9 +838,8 @@ static int lx_pcm_create(struct lx6464es *chip) pcm->nonatomic = true; strcpy(pcm->name, card_name); - snd_pcm_lib_preallocate_pages_for_all(pcm, SNDRV_DMA_TYPE_DEV, - &chip->pci->dev, - size, size); + snd_pcm_set_managed_buffer_all(pcm, SNDRV_DMA_TYPE_DEV, + &chip->pci->dev, size, size); chip->pcm = pcm; chip->capture_stream.is_capture = 1; |