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[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>
hifive-unleashed-5.1
Clemens Ladisch 2005-05-02 08:52:32 +02:00 committed by Jaroslav Kysela
parent 27d10f5664
commit 4dc40a3cc4
1 changed files with 0 additions and 3 deletions
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3
sound/usb/usbmixer.c
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@ -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;