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ALSA: wss: Use managed buffer allocation 

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

Link: https://lore.kernel.org/r/20191209094943.14984-17-tiwai@suse.de
Signed-off-by: Takashi Iwai <tiwai@suse.de>
This commit is contained in:
Takashi Iwai 2019-12-09 10:48:48 +01:00
parent a57214e548
commit 15fbacfe3d
1 changed files with 2 additions and 21 deletions
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23
sound/isa/wss/wss_lib.c
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@ -982,10 +982,7 @@ static int snd_wss_playback_hw_params(struct snd_pcm_substream *substream,
{
struct snd_wss *chip = snd_pcm_substream_chip(substream);
unsigned char new_pdfr;
int err;
if ((err = snd_pcm_lib_malloc_pages(substream, params_buffer_bytes(hw_params))) < 0)
return err;
new_pdfr = snd_wss_get_format(chip, params_format(hw_params),
params_channels(hw_params)) |
snd_wss_get_rate(params_rate(hw_params));
@ -993,11 +990,6 @@ static int snd_wss_playback_hw_params(struct snd_pcm_substream *substream,
return 0;
}
static int snd_wss_playback_hw_free(struct snd_pcm_substream *substream)
{
return snd_pcm_lib_free_pages(substream);
}
static int snd_wss_playback_prepare(struct snd_pcm_substream *substream)
{
struct snd_wss *chip = snd_pcm_substream_chip(substream);
@ -1025,10 +1017,7 @@ static int snd_wss_capture_hw_params(struct snd_pcm_substream *substream,
{
struct snd_wss *chip = snd_pcm_substream_chip(substream);
unsigned char new_cdfr;
int err;
if ((err = snd_pcm_lib_malloc_pages(substream, params_buffer_bytes(hw_params))) < 0)
return err;
new_cdfr = snd_wss_get_format(chip, params_format(hw_params),
params_channels(hw_params)) |
snd_wss_get_rate(params_rate(hw_params));
@ -1036,11 +1025,6 @@ static int snd_wss_capture_hw_params(struct snd_pcm_substream *substream,
return 0;
}
static int snd_wss_capture_hw_free(struct snd_pcm_substream *substream)
{
return snd_pcm_lib_free_pages(substream);
}
static int snd_wss_capture_prepare(struct snd_pcm_substream *substream)
{
struct snd_wss *chip = snd_pcm_substream_chip(substream);
@ -1889,7 +1873,6 @@ static const struct snd_pcm_ops snd_wss_playback_ops = {
.close = snd_wss_playback_close,
.ioctl = snd_pcm_lib_ioctl,
.hw_params = snd_wss_playback_hw_params,
.hw_free = snd_wss_playback_hw_free,
.prepare = snd_wss_playback_prepare,
.trigger = snd_wss_trigger,
.pointer = snd_wss_playback_pointer,
@ -1900,7 +1883,6 @@ static const struct snd_pcm_ops snd_wss_capture_ops = {
.close = snd_wss_capture_close,
.ioctl = snd_pcm_lib_ioctl,
.hw_params = snd_wss_capture_hw_params,
.hw_free = snd_wss_capture_hw_free,
.prepare = snd_wss_capture_prepare,
.trigger = snd_wss_trigger,
.pointer = snd_wss_capture_pointer,
@ -1927,9 +1909,8 @@ int snd_wss_pcm(struct snd_wss *chip, int device)
pcm->info_flags |= SNDRV_PCM_INFO_JOINT_DUPLEX;
strcpy(pcm->name, snd_wss_chip_id(chip));
snd_pcm_lib_preallocate_pages_for_all(pcm, SNDRV_DMA_TYPE_DEV,
chip->card->dev,
64*1024, chip->dma1 > 3 || chip->dma2 > 3 ? 128*1024 : 64*1024);
snd_pcm_set_managed_buffer_all(pcm, SNDRV_DMA_TYPE_DEV, chip->card->dev,
64*1024, chip->dma1 > 3 || chip->dma2 > 3 ? 128*1024 : 64*1024);
chip->pcm = pcm;
return 0;