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authorDaniel Mack <zonque@gmail.com>2012-09-27 10:26:01 +0200
committerLinus Torvalds <torvalds@linux-foundation.org>2012-09-27 16:46:15 -0700
commit8dce30c89113e314d29d3b8f362aadff8087fccb (patch)
tree69106b110a011c4abf5dc35c2c02cd6c49e410c2
parent9a7c590930c1d669a032c1b30cc8d95c069dc020 (diff)
downloadlinux-8dce30c89113e314d29d3b8f362aadff8087fccb.tar.bz2
ALSA: snd-usb: fix next_packet_size calls for pause case
Also fix the calls to next_packet_size() for the pause case. This was missed in 245baf983 ("ALSA: snd-usb: fix calls to next_packet_size"). Signed-off-by: Daniel Mack <zonque@gmail.com> Reviewed-by: Takashi Iwai <tiwai@suse.de> Reported-and-tested-by: Christian Tefzer <ctrefzer@gmx.de> Cc: stable@kernel.org [ Taking directly because Takashi is on vacation - Linus ] Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
-rw-r--r--sound/usb/endpoint.c8
1 files changed, 7 insertions, 1 deletions
diff --git a/sound/usb/endpoint.c b/sound/usb/endpoint.c
index d6e2bb49c59c..060dccb9ec75 100644
--- a/sound/usb/endpoint.c
+++ b/sound/usb/endpoint.c
@@ -197,7 +197,13 @@ static void prepare_outbound_urb(struct snd_usb_endpoint *ep,
/* no data provider, so send silence */
unsigned int offs = 0;
for (i = 0; i < ctx->packets; ++i) {
- int counts = ctx->packet_size[i];
+ int counts;
+
+ if (ctx->packet_size[i])
+ counts = ctx->packet_size[i];
+ else
+ counts = snd_usb_endpoint_next_packet_size(ep);
+
urb->iso_frame_desc[i].offset = offs * ep->stride;
urb->iso_frame_desc[i].length = counts * ep->stride;
offs += counts;