[ALSA] usb-audio - allow type 0 extension units

USB generic driver Extension units can have type 0, so do not ignore them when constructing mixer controls. Signed-off-by: Clemens Ladisch <clemens@ladisch.de>
git-mirror · May 29, 2005 · 4dc40a3 · 4dc40a3
1 parent 27d10f5
commit 4dc40a3
Showing 1 changed file with 0 additions and 3 deletions.
diff --git a/sound/usb/usbmixer.c b/sound/usb/usbmixer.c
@@ -1232,9 +1232,6 @@ static int build_audio_procunit(mixer_build_t *state, int unitid, unsigned char
 	}
 
 	type = combine_word(&dsc[4]);
-	if (! type)
-		return 0; /* undefined? */
-
 	for (info = list; info && info->type; info++)
 		if (info->type == type)
 			break;