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.
Signed-off-by: Takashi Iwai <tiwai@xxxxxxx>
---
sound/arm/aaci.c | 40 +++++++++++++++-------------------------
1 file 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;
--
2.16.4
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