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ALSA: sparc: Use managed buffer allocation

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

Link: https://lore.kernel.org/r/20191209094943.14984-63-tiwai@suse.de
Signed-off-by: Takashi Iwai <tiwai@suse.de>
This commit is contained in:
Takashi Iwai
2019-12-09 10:49:34 +01:00
parent 50cdf3a096
commit 786e90b0d0
3 changed files with 7 additions and 43 deletions
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17
sound/sparc/cs4231.c
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@@ -889,12 +889,7 @@ static int snd_cs4231_playback_hw_params(struct snd_pcm_substream *substream,
{
struct snd_cs4231 *chip = snd_pcm_substream_chip(substream);
unsigned char new_pdfr;
int err;
err = snd_pcm_lib_malloc_pages(substream,
params_buffer_bytes(hw_params));
if (err < 0)
return err;
new_pdfr = snd_cs4231_get_format(chip, params_format(hw_params),
params_channels(hw_params)) |
snd_cs4231_get_rate(params_rate(hw_params));
@@ -933,12 +928,7 @@ static int snd_cs4231_capture_hw_params(struct snd_pcm_substream *substream,
{
struct snd_cs4231 *chip = snd_pcm_substream_chip(substream);
unsigned char new_cdfr;
int err;
err = snd_pcm_lib_malloc_pages(substream,
params_buffer_bytes(hw_params));
if (err < 0)
return err;
new_cdfr = snd_cs4231_get_format(chip, params_format(hw_params),
params_channels(hw_params)) |
snd_cs4231_get_rate(params_rate(hw_params));
@@ -1205,7 +1195,6 @@ static const struct snd_pcm_ops snd_cs4231_playback_ops = {
.close = snd_cs4231_playback_close,
.ioctl = snd_pcm_lib_ioctl,
.hw_params = snd_cs4231_playback_hw_params,
.hw_free = snd_pcm_lib_free_pages,
.prepare = snd_cs4231_playback_prepare,
.trigger = snd_cs4231_trigger,
.pointer = snd_cs4231_playback_pointer,
@@ -1216,7 +1205,6 @@ static const struct snd_pcm_ops snd_cs4231_capture_ops = {
.close = snd_cs4231_capture_close,
.ioctl = snd_pcm_lib_ioctl,
.hw_params = snd_cs4231_capture_hw_params,
.hw_free = snd_pcm_lib_free_pages,
.prepare = snd_cs4231_capture_prepare,
.trigger = snd_cs4231_trigger,
.pointer = snd_cs4231_capture_pointer,
@@ -1242,9 +1230,8 @@ static int snd_cs4231_pcm(struct snd_card *card)
pcm->info_flags = SNDRV_PCM_INFO_JOINT_DUPLEX;
strcpy(pcm->name, "CS4231");
snd_pcm_lib_preallocate_pages_for_all(pcm, SNDRV_DMA_TYPE_DEV,
&chip->op->dev,
64 * 1024, 128 * 1024);
snd_pcm_set_managed_buffer_all(pcm, SNDRV_DMA_TYPE_DEV,
&chip->op->dev, 64 * 1024, 128 * 1024);
chip->pcm = pcm;