Clean up the driver with the new managed buffer allocation API.
The hw_free callback became superfluous and got dropped.
Signed-off-by: Takashi Iwai <tiwai@xxxxxxx>
---
sound/usb/misc/ua101.c | 23 ++++-------------------
1 file changed, 4 insertions(+), 19 deletions(-)
diff --git a/sound/usb/misc/ua101.c b/sound/usb/misc/ua101.c
index 566a4a31528a..a7b68447f3ad 100644
--- a/sound/usb/misc/ua101.c
+++ b/sound/usb/misc/ua101.c
@@ -730,11 +730,7 @@ static int capture_pcm_hw_params(struct snd_pcm_substream *substream,
mutex_lock(&ua->mutex);
err = start_usb_capture(ua);
mutex_unlock(&ua->mutex);
- if (err < 0)
- return err;
-
- return snd_pcm_lib_malloc_pages(substream,
- params_buffer_bytes(hw_params));
+ return err;
}
static int playback_pcm_hw_params(struct snd_pcm_substream *substream,
@@ -748,16 +744,7 @@ static int playback_pcm_hw_params(struct snd_pcm_substream *substream,
if (err >= 0)
err = start_usb_playback(ua);
mutex_unlock(&ua->mutex);
- if (err < 0)
- return err;
-
- return snd_pcm_lib_malloc_pages(substream,
- params_buffer_bytes(hw_params));
-}
-
-static int ua101_pcm_hw_free(struct snd_pcm_substream *substream)
-{
- return snd_pcm_lib_free_pages(substream);
+ return err;
}
static int capture_pcm_prepare(struct snd_pcm_substream *substream)
@@ -885,7 +872,6 @@ static const struct snd_pcm_ops capture_pcm_ops = {
.close = capture_pcm_close,
.ioctl = snd_pcm_lib_ioctl,
.hw_params = capture_pcm_hw_params,
- .hw_free = ua101_pcm_hw_free,
.prepare = capture_pcm_prepare,
.trigger = capture_pcm_trigger,
.pointer = capture_pcm_pointer,
@@ -896,7 +882,6 @@ static const struct snd_pcm_ops playback_pcm_ops = {
.close = playback_pcm_close,
.ioctl = snd_pcm_lib_ioctl,
.hw_params = playback_pcm_hw_params,
- .hw_free = ua101_pcm_hw_free,
.prepare = playback_pcm_prepare,
.trigger = playback_pcm_trigger,
.pointer = playback_pcm_pointer,
@@ -1294,8 +1279,8 @@ static int ua101_probe(struct usb_interface *interface,
strcpy(ua->pcm->name, name);
snd_pcm_set_ops(ua->pcm, SNDRV_PCM_STREAM_PLAYBACK, &playback_pcm_ops);
snd_pcm_set_ops(ua->pcm, SNDRV_PCM_STREAM_CAPTURE, &capture_pcm_ops);
- snd_pcm_lib_preallocate_pages_for_all(ua->pcm, SNDRV_DMA_TYPE_VMALLOC,
- NULL, 0, 0);
+ snd_pcm_set_managed_buffer_all(ua->pcm, SNDRV_DMA_TYPE_VMALLOC,
+ NULL, 0, 0);
err = snd_usbmidi_create(card, ua->intf[INTF_MIDI],
&ua->midi_list, &midi_quirk);
--
2.16.4
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