From f9e612002fc50b3ae7cd1349eb2387e5430b44d9 Mon Sep 17 00:00:00 2001 From: Laurent Pinchart Date: Fri, 1 Mar 2013 20:46:22 +0100 Subject: [PATCH] usb: gadget: uvc: clarify comment about string descriptors The comment that describes string descriptors allocation isn't clear, fix it. Signed-off-by: Laurent Pinchart Tested-by: Bhupesh Sharma Signed-off-by: Felipe Balbi --- drivers/usb/gadget/f_uvc.c | 5 ++++- 1 file changed, 4 insertions(+), 1 deletion(-) diff --git a/drivers/usb/gadget/f_uvc.c b/drivers/usb/gadget/f_uvc.c index 92efd6ec48af..dd372ce9f3e2 100644 --- a/drivers/usb/gadget/f_uvc.c +++ b/drivers/usb/gadget/f_uvc.c @@ -800,7 +800,10 @@ uvc_bind_config(struct usb_configuration *c, uvc->desc.hs_streaming = hs_streaming; uvc->desc.ss_streaming = ss_streaming; - /* Allocate string descriptor numbers. */ + /* String descriptors are global, we only need to allocate string IDs + * for the first UVC function. UVC functions beyond the first (if any) + * will reuse the same IDs. + */ if (uvc_en_us_strings[UVC_STRING_ASSOCIATION_IDX].id == 0) { ret = usb_string_ids_tab(c->cdev, uvc_en_us_strings); if (ret) -- 2.20.1