[PATCH 01/12] usb: gadget/uvc: Clarify comment about string descriptors

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The comment that describes string descriptors allocation isn't clear,
fix it.

Signed-off-by: Laurent Pinchart <laurent.pinchart@xxxxxxxxxxxxxxxx>
---
 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 5b62987..2d08cc9 100644
--- a/drivers/usb/gadget/f_uvc.c
+++ b/drivers/usb/gadget/f_uvc.c
@@ -799,7 +799,10 @@ 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)
-- 
1.7.12.4

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