diff options
| author | Takashi Iwai <tiwai@suse.de> | 2019-12-09 10:48:34 +0100 |
|---|---|---|
| committer | Takashi Iwai <tiwai@suse.de> | 2019-12-11 07:24:56 +0100 |
| commit | 8ee0c7586959551025cb5b894539003340a352ae (patch) | |
| tree | 8e305a7e24467d058ccbdb9e4c9f1594d861acbe /sound/arm | |
| parent | 9b2433a9c5b3921ea08c451e85c8783d7033825b (diff) | |
| download | linux-8ee0c7586959551025cb5b894539003340a352ae.tar.bz2 | |
ALSA: aaci: 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, and the if block is
flattened accordingly.
Link: https://lore.kernel.org/r/20191209094943.14984-3-tiwai@suse.de
Signed-off-by: Takashi Iwai <tiwai@suse.de>
Diffstat (limited to 'sound/arm')
| -rw-r--r-- | sound/arm/aaci.c | 40 |
1 files changed, 15 insertions, 25 deletions
diff --git a/sound/arm/aaci.c b/sound/arm/aaci.c index b5399b0090a7..1e9ea0fe4f49 100644 --- a/sound/arm/aaci.c +++ b/sound/arm/aaci.c @@ -483,11 +483,6 @@ static int aaci_pcm_hw_free(struct snd_pcm_substream *substream) snd_ac97_pcm_close(aacirun->pcm); aacirun->pcm_open = 0; - /* - * Clear out the DMA and any allocated buffers. - */ - snd_pcm_lib_free_pages(substream); - return 0; } @@ -502,6 +497,7 @@ static int aaci_pcm_hw_params(struct snd_pcm_substream *substream, struct snd_pcm_hw_params *params) { struct aaci_runtime *aacirun = substream->runtime->private_data; + struct aaci *aaci = substream->private_data; unsigned int channels = params_channels(params); unsigned int rate = params_rate(params); int dbl = rate > 48000; @@ -517,25 +513,19 @@ static int aaci_pcm_hw_params(struct snd_pcm_substream *substream, if (dbl && channels != 2) return -EINVAL; - err = snd_pcm_lib_malloc_pages(substream, - params_buffer_bytes(params)); - if (err >= 0) { - struct aaci *aaci = substream->private_data; + err = snd_ac97_pcm_open(aacirun->pcm, rate, channels, + aacirun->pcm->r[dbl].slots); - err = snd_ac97_pcm_open(aacirun->pcm, rate, channels, - aacirun->pcm->r[dbl].slots); + aacirun->pcm_open = err == 0; + aacirun->cr = CR_FEN | CR_COMPACT | CR_SZ16; + aacirun->cr |= channels_to_slotmask[channels + dbl * 2]; - aacirun->pcm_open = err == 0; - aacirun->cr = CR_FEN | CR_COMPACT | CR_SZ16; - aacirun->cr |= channels_to_slotmask[channels + dbl * 2]; - - /* - * fifo_bytes is the number of bytes we transfer to/from - * the FIFO, including padding. So that's x4. As we're - * in compact mode, the FIFO is half the size. - */ - aacirun->fifo_bytes = aaci->fifo_depth * 4 / 2; - } + /* + * fifo_bytes is the number of bytes we transfer to/from + * the FIFO, including padding. So that's x4. As we're + * in compact mode, the FIFO is half the size. + */ + aacirun->fifo_bytes = aaci->fifo_depth * 4 / 2; return err; } @@ -937,9 +927,9 @@ static int aaci_init_pcm(struct aaci *aaci) snd_pcm_set_ops(pcm, SNDRV_PCM_STREAM_PLAYBACK, &aaci_playback_ops); snd_pcm_set_ops(pcm, SNDRV_PCM_STREAM_CAPTURE, &aaci_capture_ops); - snd_pcm_lib_preallocate_pages_for_all(pcm, SNDRV_DMA_TYPE_DEV, - aaci->card->dev, - 0, 64 * 1024); + snd_pcm_set_managed_buffer_all(pcm, SNDRV_DMA_TYPE_DEV, + aaci->card->dev, + 0, 64 * 1024); } return ret; |