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authorMark Brown <broonie@opensource.wolfsonmicro.com>2012-06-25 09:52:59 +0100
committerMark Brown <broonie@opensource.wolfsonmicro.com>2012-06-25 09:52:59 +0100
commitd1e16c1a61d68692dba346f4a841315343b085f4 (patch)
tree249ec07d1489769fe83b4ec507708455cc0c5138 /sound/usb/pcm.c
parent1573ee81cb9ef24fa5acee6b7442e215e63ede2f (diff)
parent6b16351acbd415e66ba16bf7d473ece1574cf0bc (diff)
Merge tag 'v3.5-rc4' into for-3.6
Linux 3.5-rc4 contains some bug fixes which overlap with new features.
Diffstat (limited to 'sound/usb/pcm.c')
-rw-r--r--sound/usb/pcm.c21
1 files changed, 13 insertions, 8 deletions
diff --git a/sound/usb/pcm.c b/sound/usb/pcm.c
index cdf8b7601973..54607f8c4f66 100644
--- a/sound/usb/pcm.c
+++ b/sound/usb/pcm.c
@@ -354,17 +354,21 @@ static int set_format(struct snd_usb_substream *subs, struct audioformat *fmt)
(get_endpoint(alts, 1)->bLength >= USB_DT_ENDPOINT_AUDIO_SIZE &&
get_endpoint(alts, 1)->bSynchAddress != 0 &&
!implicit_fb)) {
- snd_printk(KERN_ERR "%d:%d:%d : invalid synch pipe\n",
- dev->devnum, fmt->iface, fmt->altsetting);
+ snd_printk(KERN_ERR "%d:%d:%d : invalid sync pipe. bmAttributes %02x, bLength %d, bSynchAddress %02x\n",
+ dev->devnum, fmt->iface, fmt->altsetting,
+ get_endpoint(alts, 1)->bmAttributes,
+ get_endpoint(alts, 1)->bLength,
+ get_endpoint(alts, 1)->bSynchAddress);
return -EINVAL;
}
ep = get_endpoint(alts, 1)->bEndpointAddress;
- if (get_endpoint(alts, 0)->bLength >= USB_DT_ENDPOINT_AUDIO_SIZE &&
+ if (!implicit_fb &&
+ get_endpoint(alts, 0)->bLength >= USB_DT_ENDPOINT_AUDIO_SIZE &&
(( is_playback && ep != (unsigned int)(get_endpoint(alts, 0)->bSynchAddress | USB_DIR_IN)) ||
- (!is_playback && ep != (unsigned int)(get_endpoint(alts, 0)->bSynchAddress & ~USB_DIR_IN)) ||
- ( is_playback && !implicit_fb))) {
- snd_printk(KERN_ERR "%d:%d:%d : invalid synch pipe\n",
- dev->devnum, fmt->iface, fmt->altsetting);
+ (!is_playback && ep != (unsigned int)(get_endpoint(alts, 0)->bSynchAddress & ~USB_DIR_IN)))) {
+ snd_printk(KERN_ERR "%d:%d:%d : invalid sync pipe. is_playback %d, ep %02x, bSynchAddress %02x\n",
+ dev->devnum, fmt->iface, fmt->altsetting,
+ is_playback, ep, get_endpoint(alts, 0)->bSynchAddress);
return -EINVAL;
}
@@ -1147,7 +1151,8 @@ static int snd_usb_substream_playback_trigger(struct snd_pcm_substream *substrea
return -EINVAL;
}
-int snd_usb_substream_capture_trigger(struct snd_pcm_substream *substream, int cmd)
+static int snd_usb_substream_capture_trigger(struct snd_pcm_substream *substream,
+ int cmd)
{
int err;
struct snd_usb_substream *subs = substream->runtime->private_data;