Clean up the driver with the new managed buffer allocation API. The hw_params and hw_free callbacks became superfluous and dropped.
Signed-off-by: Takashi Iwai tiwai@suse.de --- drivers/usb/gadget/function/u_audio.c | 18 ++---------------- 1 file changed, 2 insertions(+), 16 deletions(-)
diff --git a/drivers/usb/gadget/function/u_audio.c b/drivers/usb/gadget/function/u_audio.c index 7ec6a996af26..67c4c85433d1 100644 --- a/drivers/usb/gadget/function/u_audio.c +++ b/drivers/usb/gadget/function/u_audio.c @@ -239,18 +239,6 @@ static snd_pcm_uframes_t uac_pcm_pointer(struct snd_pcm_substream *substream) return bytes_to_frames(substream->runtime, prm->hw_ptr); }
-static int uac_pcm_hw_params(struct snd_pcm_substream *substream, - struct snd_pcm_hw_params *hw_params) -{ - return snd_pcm_lib_malloc_pages(substream, - params_buffer_bytes(hw_params)); -} - -static int uac_pcm_hw_free(struct snd_pcm_substream *substream) -{ - return snd_pcm_lib_free_pages(substream); -} - static int uac_pcm_open(struct snd_pcm_substream *substream) { struct snd_uac_chip *uac = snd_pcm_substream_chip(substream); @@ -327,8 +315,6 @@ static const struct snd_pcm_ops uac_pcm_ops = { .open = uac_pcm_open, .close = uac_pcm_null, .ioctl = snd_pcm_lib_ioctl, - .hw_params = uac_pcm_hw_params, - .hw_free = uac_pcm_hw_free, .trigger = uac_pcm_trigger, .pointer = uac_pcm_pointer, .prepare = uac_pcm_null, @@ -584,8 +570,8 @@ int g_audio_setup(struct g_audio *g_audio, const char *pcm_name, strlcpy(card->shortname, card_name, sizeof(card->shortname)); sprintf(card->longname, "%s %i", card_name, card->dev->id);
- snd_pcm_lib_preallocate_pages_for_all(pcm, SNDRV_DMA_TYPE_CONTINUOUS, - NULL, 0, BUFF_SIZE_MAX); + snd_pcm_set_managed_buffer_all(pcm, SNDRV_DMA_TYPE_CONTINUOUS, + NULL, 0, BUFF_SIZE_MAX);
err = snd_card_register(card);