Re: [alsa-devel] [PATCH] Jabra SPEAK 410 USB - no audio playback

On Sat, Dec 10, 2011 at 07:45:39PM +0000, Richard W.M. Jones wrote:

diff -uNrp kernel-3.1.fc16.orig/sound/usb/stream.c kernel-3.1.fc16.new/sound/usb/stream.c --- kernel-3.1.fc16.orig/sound/usb/stream.c 2011-12-10 18:03:29.658729051 +0000 +++ kernel-3.1.fc16.new/sound/usb/stream.c 2011-12-10 18:08:41.468694907 +0000 @@ -164,6 +164,12 @@ static int parse_uac_endpoint_attributes

csep = snd_usb_find_desc(alts->endpoint[0].extra, alts->endpoint[0].extralen, NULL, USB_DT_CS_ENDPOINT);

• /* Jabra SPEAK 410 USB has CS_ENDPOINT before ordinary ENDPOINT,

• * which confuses the USB descriptor parsing code.  Try looking
  

• * for CS_ENDPOINT in the interface->extra - RWMJ. */
  

• if (!csep)

• csep = snd_usb_find_desc(alts->extra, alts->extralen, NULL, USB_DT_CS_ENDPOINT);
  

• /* Creamware Noah has this descriptor after the 2nd endpoint */ if (!csep && altsd->bNumEndpoints >= 2) csep = snd_usb_find_desc(alts->endpoint[1].extra, alts->endpoint[1].extralen, NULL, USB_DT_CS_ENDPOINT);

Anyone? Tested on two different machines and it fixes the audio output problem on both ... If I've sent this to the wrong list please let me know.

Rich.