[alsa-devel] [PATCH for-5.6 16/23] ASoC: xtensa: Use managed buffer allocation

[Takashi Iwai <tiwai@suse.de>]

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.

Cc: Max Filippov <jcmvbkbc@gmail.com>
Signed-off-by: Takashi Iwai <tiwai@suse.de>
---
 sound/soc/xtensa/xtfpga-i2s.c | 9 +++------
 1 file changed, 3 insertions(+), 6 deletions(-)

diff --git a/sound/soc/xtensa/xtfpga-i2s.c b/sound/soc/xtensa/xtfpga-i2s.c
index e08f4fee932a..25ede9d7dfa4 100644
--- a/sound/soc/xtensa/xtfpga-i2s.c
+++ b/sound/soc/xtensa/xtfpga-i2s.c
@@ -390,7 +390,6 @@ static int xtfpga_pcm_hw_params(struct snd_soc_component *component,
 				struct snd_pcm_substream *substream,
 				struct snd_pcm_hw_params *hw_params)
 {
-	int ret;
 	struct snd_pcm_runtime *runtime = substream->runtime;
 	struct xtfpga_i2s *i2s = runtime->private_data;
 	unsigned channels = params_channels(hw_params);
@@ -422,9 +421,7 @@ static int xtfpga_pcm_hw_params(struct snd_soc_component *component,
 		return -EINVAL;
 	}
 
-	ret = snd_pcm_lib_malloc_pages(substream,
-				       params_buffer_bytes(hw_params));
-	return ret;
+	return 0;
 }
 
 static int xtfpga_pcm_trigger(struct snd_soc_component *component,
@@ -472,8 +469,8 @@ static int xtfpga_pcm_new(struct snd_soc_component *component,
 	struct snd_card *card = rtd->card->snd_card;
 	size_t size = xtfpga_pcm_hardware.buffer_bytes_max;
 
-	snd_pcm_lib_preallocate_pages_for_all(rtd->pcm, SNDRV_DMA_TYPE_DEV,
-					      card->dev, size, size);
+	snd_pcm_set_managed_buffer_all(rtd->pcm, SNDRV_DMA_TYPE_DEV,
+				       card->dev, size, size);
 	return 0;
 }
 
-- 
2.16.4

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