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 <laurent.pinchart@ideasonboard.com>
Tested-by: Bhupesh Sharma <bhupesh.sharma@st.com>
Signed-off-by: Felipe Balbi <balbi@ti.com>
This commit is contained in:
Laurent Pinchart 2013-03-01 20:46:22 +01:00 committed by Felipe Balbi
parent ddb5147cea
commit f9e612002f

View File

@ -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)