On Thu, 19 Feb 2009 17:41:56 +0100 Nicola Soranzo <[email protected]> wrote:
> As explained in "Writing an ALSA driver" (T. Iwai), audio drivers > should set the struct device for the card before registering the card > instance. This will add the correct /sys/class/sound/cardN/device > symlink, so HAL can see the device and ConsoleKit sets its ACL > permissions for the logged-in user. > > For em28xx audio capture cards found e.g. in Hauppauge WinTV-HVR-900 > (R2), this patch fixes errors like: > > ALSA lib pcm_hw.c:1429:(_snd_pcm_hw_open) Invalid value for card > Error opening audio: Permission denied > > when running mplayer as a normal user. > > Priority: normal > > Signed-off-by: Nicola Soranzo <[email protected]> > --- > diff -r 80e785538796 -r ef8cc17cc048 > linux/drivers/media/video/em28xx/em28xx-audio.c --- > a/linux/drivers/media/video/em28xx/em28xx-audio.c Wed Feb 18 > 18:27:33 2009 +0100 +++ > b/linux/drivers/media/video/em28xx/em28xx-audio.c Thu Feb 19 > 17:36:44 2009 +0100 @@ -560,6 +560,8 @@ pcm->info_flags = 0; > pcm->private_data = dev; strcpy(pcm->name, "Empia 28xx Capture"); > + > + snd_card_set_dev(card, &dev->udev->dev); > strcpy(card->driver, "Empia Em28xx Audio"); > strcpy(card->shortname, "Em28xx Audio"); > strcpy(card->longname, "Empia Em28xx Audio"); > -- Applied, thanks! Cheers, Douglas, -- To unsubscribe from this list: send the line "unsubscribe linux-media" in the body of a message to [email protected] More majordomo info at http://vger.kernel.org/majordomo-info.html
