On Mon, Oct 10, 2022 at 11:03:59PM +0200, Michael Grzeschik wrote: > On Mon, Oct 10, 2022 at 10:21:35PM +0200, Greg KH wrote: > > On Mon, Oct 10, 2022 at 08:20:28PM +0200, Michael Grzeschik wrote: > > > For the userspace it is needed to distinguish between requests for the > > > control or streaming interface. The userspace would have to parse the > > > configfs to know which interface index it has to compare the ctrl > > > requests against. Since the interface numbers are not fixed, e.g. for > > > composite gadgets, the interface offset depends on the setup. > > > > > > The kernel has this information when handing over the ctrl request to > > > the userspace. This patch removes the offset from the interface numbers > > > and expose the default interface defines in the uapi g_uvc.h. > > > > > > Signed-off-by: Michael Grzeschik <m.grzeschik@xxxxxxxxxxxxxx> > > > --- > > > drivers/usb/gadget/function/f_uvc.c | 16 +++++++++++++--- > > > include/uapi/linux/usb/g_uvc.h | 3 +++ > > > 2 files changed, 16 insertions(+), 3 deletions(-) > > > > This is a v2, what changed from v1? > > v1 - v2: - removed the extra variable in struct uvc_event > - replacing the ctrl request bits in place > - included the move of the defualt interface defines to g_uvc.h Great, please submit a v3 with that info. thanks, greg k-h
