linux/drivers/usb/gadget
Pavel Hofman 0560c9c552 usb: gadget: f_uac2: fixed EP-IN wMaxPacketSize
Async feedback patches broke enumeration on Windows 10 previously fixed
by commit 789ea77310 ("usb: gadget: f_uac2: always increase endpoint
max_packet_size by one audio slot").

While the existing calculation for EP OUT capture for async mode yields
size+1 frame due to uac2_opts->fb_max > 0, playback side lost the +1
feature.  Therefore the +1 frame addition must be re-introduced for
playback. Win10 enumerates the device only when both EP IN and EP OUT
max packet sizes are (at least) +1 frame.

Fixes: e89bb42883 ("usb: gadget: u_audio: add real feedback implementation")
Cc: stable <stable@vger.kernel.org>
Tested-by: Henrik Enquist <henrik.enquist@gmail.com>
Tested-by: Jack Pham <jackp@codeaurora.org>
Signed-off-by: Pavel Hofman <pavel.hofman@ivitera.com>
Link: https://lore.kernel.org/r/20210924080027.5362-1-pavel.hofman@ivitera.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2021-10-05 13:50:09 +02:00
..
function usb: gadget: f_uac2: fixed EP-IN wMaxPacketSize 2021-10-05 13:50:09 +02:00
legacy usb: gadget: Add description for module parameter 2021-08-26 13:30:00 +02:00
udc usb: gadget: r8a66597: fix a loop in set_feature() 2021-09-14 10:32:27 +02:00
composite.c usb: gadget: composite: Allow bMaxPower=0 if self-powered 2021-07-21 10:06:47 +02:00
config.c usb: fix various gadget panics on 10gbps cabling 2021-06-09 10:40:08 +02:00
configfs.c usb: gadget: Fix inconsistent indent 2021-08-05 12:31:22 +02:00
configfs.h
epautoconf.c
functions.c
Kconfig usb: gadget: uvc: add scatter gather support 2021-07-27 15:59:19 +02:00
Makefile
u_f.c
u_f.h USB: gadget: u_f: Unbreak offset calculation in VLAs 2020-08-27 09:25:06 +02:00
u_os_desc.h
usbstring.c