Re: revision higher than 250508 breaks webcam support

[Matthias Apitz]

El día Saturday, May 18, 2013 a las 12:48:12AM +0200, Hans Petter Selasky 
escribió:

> Can you try the attached patch. Seems like your audio device has some 
> additional USB audio requirements.

Hi Jože,

After applying the patch, is the cam working correctly in your Skype?
It seems that the patch is addressing some audio problem, which I do not
have, and it would be good to know if it's working, i.e. if my problem
is a local one more or a general within /head. Thanks

matthias
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Re: usb/178722: commit references a PR

[dfilter service]

The following reply was made to PR usb/178722; it has been noted by GNATS.

From: dfil...@freebsd.org (dfilter service)
To: bug-follo...@freebsd.org
Cc:  
Subject: Re: usb/178722: commit references a PR
Date: Sat, 18 May 2013 07:03:15 + (UTC)

 Author: hselasky
 Date: Sat May 18 07:03:06 2013
 New Revision: 250763
 URL: http://svnweb.freebsd.org/changeset/base/250763
 
 Log:
   Fix issue with "Logitech Webcam C525":
   
   Set a valid alternate interface setting
   when enumerating USB audio devices else
   the device mentioned will not work like
   expected.
   
   PR:  usb/178722
   MFC after:   1 week
 
 Modified:
   head/sys/dev/sound/usb/uaudio.c
 
 Modified: head/sys/dev/sound/usb/uaudio.c
 ==
 --- head/sys/dev/sound/usb/uaudio.cSat May 18 05:48:46 2013
(r250762)
 +++ head/sys/dev/sound/usb/uaudio.cSat May 18 07:03:06 2013
(r250763)
 @@ -868,6 +868,7 @@ uaudio_attach(device_t dev)
struct usb_attach_arg *uaa = device_get_ivars(dev);
struct uaudio_softc *sc = device_get_softc(dev);
struct usb_interface_descriptor *id;
 +  usb_error_t err;
device_t child;
  
sc->sc_play_chan.priv_sc = sc;
 @@ -925,6 +926,19 @@ uaudio_attach(device_t dev)
  
if (sc->sc_play_chan.num_alt > 0) {
uint8_t x;
 +
 +  /*
 +   * Need to set a default alternate interface, else
 +   * some USB audio devices might go into an infinte
 +   * re-enumeration loop:
 +   */
 +  err = usbd_set_alt_interface_index(sc->sc_udev,
 +  sc->sc_play_chan.usb_alt[0].iface_index,
 +  sc->sc_play_chan.usb_alt[0].iface_alt_index);
 +  if (err) {
 +  DPRINTF("setting of alternate index failed: %s!\n",
 +  usbd_errstr(err));
 +  }
for (x = 0; x != sc->sc_play_chan.num_alt; x++) {
device_printf(dev, "Play: %d Hz, %d ch, %s format, "
"2x8ms buffer.\n",
 @@ -938,6 +952,19 @@ uaudio_attach(device_t dev)
  
if (sc->sc_rec_chan.num_alt > 0) {
uint8_t x;
 +
 +  /*
 +   * Need to set a default alternate interface, else
 +   * some USB audio devices might go into an infinte
 +   * re-enumeration loop:
 +   */
 +  err = usbd_set_alt_interface_index(sc->sc_udev,
 +  sc->sc_rec_chan.usb_alt[0].iface_index,
 +  sc->sc_rec_chan.usb_alt[0].iface_alt_index);
 +  if (err) {
 +  DPRINTF("setting of alternate index failed: %s!\n",
 +  usbd_errstr(err));
 +  }
for (x = 0; x != sc->sc_rec_chan.num_alt; x++) {
device_printf(dev, "Record: %d Hz, %d ch, %s format, "
"2x8ms buffer.\n",
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