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@xxxxxxx>
---
sound/pci/es1938.c | 28 ++--------------------------
1 file changed, 2 insertions(+), 26 deletions(-)
diff --git a/sound/pci/es1938.c b/sound/pci/es1938.c
index c571c5d380ca..95d562fff06c 100644
--- a/sound/pci/es1938.c
+++ b/sound/pci/es1938.c
@@ -863,25 +863,6 @@ static int snd_es1938_capture_copy_kernel(struct snd_pcm_substream *substream,
return 0;
}
-/*
- * buffer management
- */
-static int snd_es1938_pcm_hw_params(struct snd_pcm_substream *substream,
- struct snd_pcm_hw_params *hw_params)
-
-{
- int err;
-
- if ((err = snd_pcm_lib_malloc_pages(substream, params_buffer_bytes(hw_params))) < 0)
- return err;
- return 0;
-}
-
-static int snd_es1938_pcm_hw_free(struct snd_pcm_substream *substream)
-{
- return snd_pcm_lib_free_pages(substream);
-}
-
/* ----------------------------------------------------------------------
* Audio1 Capture (ADC)
* ----------------------------------------------------------------------*/
@@ -997,8 +978,6 @@ static const struct snd_pcm_ops snd_es1938_playback_ops = {
.open = snd_es1938_playback_open,
.close = snd_es1938_playback_close,
.ioctl = snd_pcm_lib_ioctl,
- .hw_params = snd_es1938_pcm_hw_params,
- .hw_free = snd_es1938_pcm_hw_free,
.prepare = snd_es1938_playback_prepare,
.trigger = snd_es1938_playback_trigger,
.pointer = snd_es1938_playback_pointer,
@@ -1008,8 +987,6 @@ static const struct snd_pcm_ops snd_es1938_capture_ops = {
.open = snd_es1938_capture_open,
.close = snd_es1938_capture_close,
.ioctl = snd_pcm_lib_ioctl,
- .hw_params = snd_es1938_pcm_hw_params,
- .hw_free = snd_es1938_pcm_hw_free,
.prepare = snd_es1938_capture_prepare,
.trigger = snd_es1938_capture_trigger,
.pointer = snd_es1938_capture_pointer,
@@ -1031,9 +1008,8 @@ static int snd_es1938_new_pcm(struct es1938 *chip, int device)
pcm->info_flags = 0;
strcpy(pcm->name, "ESS Solo-1");
- snd_pcm_lib_preallocate_pages_for_all(pcm, SNDRV_DMA_TYPE_DEV,
- &chip->pci->dev,
- 64*1024, 64*1024);
+ snd_pcm_set_managed_buffer_all(pcm, SNDRV_DMA_TYPE_DEV,
+ &chip->pci->dev, 64*1024, 64*1024);
chip->pcm = pcm;
return 0;
--
2.16.4
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