@@ -159,12 +159,6 @@ static int atmel_ac97c_playback_hw_params(struct snd_pcm_substream *substream,
struct snd_pcm_hw_params *hw_params)
{
struct atmel_ac97c *chip = snd_pcm_substream_chip(substream);
- int retval;
-
- retval = snd_pcm_lib_malloc_pages(substream,
- params_buffer_bytes(hw_params));
- if (retval < 0)
- return retval;
/* Set restrictions to params. */
mutex_lock(&opened_mutex);
@@ -172,19 +166,13 @@ static int atmel_ac97c_playback_hw_params(struct snd_pcm_substream *substream,
chip->cur_format = params_format(hw_params);
mutex_unlock(&opened_mutex);
- return retval;
+ return 0;
}
static int atmel_ac97c_capture_hw_params(struct snd_pcm_substream *substream,
struct snd_pcm_hw_params *hw_params)
{
struct atmel_ac97c *chip = snd_pcm_substream_chip(substream);
- int retval;
-
- retval = snd_pcm_lib_malloc_pages(substream,
- params_buffer_bytes(hw_params));
- if (retval < 0)
- return retval;
/* Set restrictions to params. */
mutex_lock(&opened_mutex);
@@ -192,7 +180,7 @@ static int atmel_ac97c_capture_hw_params(struct snd_pcm_substream *substream,
chip->cur_format = params_format(hw_params);
mutex_unlock(&opened_mutex);
- return retval;
+ return 0;
}
static int atmel_ac97c_playback_prepare(struct snd_pcm_substream *substream)
@@ -461,7 +449,6 @@ static const struct snd_pcm_ops atmel_ac97_playback_ops = {
.close = atmel_ac97c_playback_close,
.ioctl = snd_pcm_lib_ioctl,
.hw_params = atmel_ac97c_playback_hw_params,
- .hw_free = snd_pcm_lib_free_pages,
.prepare = atmel_ac97c_playback_prepare,
.trigger = atmel_ac97c_playback_trigger,
.pointer = atmel_ac97c_playback_pointer,
@@ -472,7 +459,6 @@ static const struct snd_pcm_ops atmel_ac97_capture_ops = {
.close = atmel_ac97c_capture_close,
.ioctl = snd_pcm_lib_ioctl,
.hw_params = atmel_ac97c_capture_hw_params,
- .hw_free = snd_pcm_lib_free_pages,
.prepare = atmel_ac97c_capture_prepare,
.trigger = atmel_ac97c_capture_trigger,
.pointer = atmel_ac97c_capture_pointer,
@@ -600,7 +586,7 @@ static int atmel_ac97c_pcm_new(struct atmel_ac97c *chip)
snd_pcm_set_ops(pcm, SNDRV_PCM_STREAM_CAPTURE, &atmel_ac97_capture_ops);
snd_pcm_set_ops(pcm, SNDRV_PCM_STREAM_PLAYBACK, &atmel_ac97_playback_ops);
- snd_pcm_lib_preallocate_pages_for_all(pcm, SNDRV_DMA_TYPE_DEV,
+ snd_pcm_set_managed_buffer_all(pcm, SNDRV_DMA_TYPE_DEV,
&chip->pdev->dev, hw.periods_min * hw.period_bytes_min,
hw.buffer_bytes_max);
Clean up the driver with the new managed buffer allocation API. The hw_free_free callbacks became superfluous and got dropped. Signed-off-by: Takashi Iwai <tiwai@suse.de> --- sound/atmel/ac97c.c | 20 +++----------------- 1 file changed, 3 insertions(+), 17 deletions(-)