usb: gadget: audio: queue wLength-sized requests
On Audio class, the wLength field of the Setup
packet, contains the data payload size of the
following Data phase. Instead of harcoding values,
use wLength.
This also fixes a bug where Gadget driver had to
receive 3 bytes, but it was queueing a ZLP.
Signed-off-by: Felipe Balbi <balbi@ti.com>
diff --git a/drivers/usb/gadget/f_audio.c b/drivers/usb/gadget/f_audio.c
index ddeaa45..ec7ffcd 100644
--- a/drivers/usb/gadget/f_audio.c
+++ b/drivers/usb/gadget/f_audio.c
@@ -460,7 +460,7 @@
switch (ctrl->bRequest) {
case UAC_SET_CUR:
- value = 0;
+ value = len;
break;
case UAC_SET_MIN:
@@ -499,7 +499,7 @@
case UAC_GET_MIN:
case UAC_GET_MAX:
case UAC_GET_RES:
- value = 3;
+ value = len;
break;
case UAC_GET_MEM:
break;