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Commit 4c4e4391 authored by Ricard Wanderlof's avatar Ricard Wanderlof Committed by Takashi Iwai
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ALSA: USB-audio: Also move out hwptr_done wrap from prepare_playback_urb() 



Refactoring in preparation for adding Zoom R16/24 quirk.
No functional change.

Signed-off-by: default avatarRicard Wanderlof <ricardw@axis.com>
Signed-off-by: default avatarTakashi Iwai <tiwai@suse.de>
parent 07a40c2f

sound/usb/pcm.c

+6 −3
Original line number Diff line number Diff line
@@ -1383,6 +1383,8 @@ static inline void fill_playback_urb_dsd_dop(struct snd_usb_substream *subs, 
			subs->hwptr_done++;

		}

	}

	if (subs->hwptr_done >= runtime->buffer_size * stride)

		subs->hwptr_done -= runtime->buffer_size * stride;

}



static void copy_to_urb(struct snd_usb_substream *subs,
@@ -1403,6 +1405,8 @@ static void copy_to_urb(struct snd_usb_substream *subs, 
		       runtime->dma_area + subs->hwptr_done, bytes);

	}

	subs->hwptr_done += bytes;

	if (subs->hwptr_done >= runtime->buffer_size * stride)

		subs->hwptr_done -= runtime->buffer_size * stride;

}



static void prepare_playback_urb(struct snd_usb_substream *subs,
@@ -1480,14 +1484,13 @@ static void prepare_playback_urb(struct snd_usb_substream *subs, 
		}



		subs->hwptr_done += bytes;

		if (subs->hwptr_done >= runtime->buffer_size * stride)

			subs->hwptr_done -= runtime->buffer_size * stride;

	} else {

		/* usual PCM */

		copy_to_urb(subs, urb, stride, bytes);

	}



	if (subs->hwptr_done >= runtime->buffer_size * stride)

		subs->hwptr_done -= runtime->buffer_size * stride;



	/* update delay with exact number of samples queued */

	runtime->delay = subs->last_delay;

	runtime->delay += frames;