[alsa-devel] [PATCH 5.6 39/71] ALSA: fm801: Use managed buffer allocation

[Takashi Iwai]

Clean up the driver with the new managed buffer allocation API.
The hw_params and hw_free callbacks became superfluous and got
dropped.

Signed-off-by: Takashi Iwai <tiwai at suse.de>
---
 sound/pci/fm801.c | 20 ++------------------
 1 file changed, 2 insertions(+), 18 deletions(-)

diff --git a/sound/pci/fm801.c b/sound/pci/fm801.c
index a7f8109acced..707173254c55 100644
--- a/sound/pci/fm801.c
+++ b/sound/pci/fm801.c
@@ -435,17 +435,6 @@ static int snd_fm801_capture_trigger(struct snd_pcm_substream *substream,
 	return 0;
 }
 
-static int snd_fm801_hw_params(struct snd_pcm_substream *substream,
-			       struct snd_pcm_hw_params *hw_params)
-{
-	return snd_pcm_lib_malloc_pages(substream, params_buffer_bytes(hw_params));
-}
-
-static int snd_fm801_hw_free(struct snd_pcm_substream *substream)
-{
-	return snd_pcm_lib_free_pages(substream);
-}
-
 static int snd_fm801_playback_prepare(struct snd_pcm_substream *substream)
 {
 	struct fm801 *chip = snd_pcm_substream_chip(substream);
@@ -685,8 +674,6 @@ static const struct snd_pcm_ops snd_fm801_playback_ops = {
 	.open =		snd_fm801_playback_open,
 	.close =	snd_fm801_playback_close,
 	.ioctl =	snd_pcm_lib_ioctl,
-	.hw_params =	snd_fm801_hw_params,
-	.hw_free =	snd_fm801_hw_free,
 	.prepare =	snd_fm801_playback_prepare,
 	.trigger =	snd_fm801_playback_trigger,
 	.pointer =	snd_fm801_playback_pointer,
@@ -696,8 +683,6 @@ static const struct snd_pcm_ops snd_fm801_capture_ops = {
 	.open =		snd_fm801_capture_open,
 	.close =	snd_fm801_capture_close,
 	.ioctl =	snd_pcm_lib_ioctl,
-	.hw_params =	snd_fm801_hw_params,
-	.hw_free =	snd_fm801_hw_free,
 	.prepare =	snd_fm801_capture_prepare,
 	.trigger =	snd_fm801_capture_trigger,
 	.pointer =	snd_fm801_capture_pointer,
@@ -720,9 +705,8 @@ static int snd_fm801_pcm(struct fm801 *chip, int device)
 	strcpy(pcm->name, "FM801");
 	chip->pcm = pcm;
 
-	snd_pcm_lib_preallocate_pages_for_all(pcm, SNDRV_DMA_TYPE_DEV,
-					      &pdev->dev,
-					      chip->multichannel ? 128*1024 : 64*1024, 128*1024);
+	snd_pcm_set_managed_buffer_all(pcm, SNDRV_DMA_TYPE_DEV, &pdev->dev,
+				       chip->multichannel ? 128*1024 : 64*1024, 128*1024);
 
 	return snd_pcm_add_chmap_ctls(pcm, SNDRV_PCM_STREAM_PLAYBACK,
 				     snd_pcm_alt_chmaps,
-- 
2.16.4