From 7c5881d1625d844cdfcc027a970f0d034b982ba5 Mon Sep 17 00:00:00 2001 From: Felipe Balbi Date: Mon, 29 Aug 2011 11:54:08 +0300 Subject: [PATCH] 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 --- drivers/usb/gadget/f_audio.c | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-) 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 @@ static int audio_set_endpoint_req(struct usb_function *f, switch (ctrl->bRequest) { case UAC_SET_CUR: - value = 0; + value = len; break; case UAC_SET_MIN: @@ -499,7 +499,7 @@ static int audio_get_endpoint_req(struct usb_function *f, case UAC_GET_MIN: case UAC_GET_MAX: case UAC_GET_RES: - value = 3; + value = len; break; case UAC_GET_MEM: break; -- 2.7.4