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| author | Laurent Pinchart <laurent.pinchart@ideasonboard.com> | 2013-03-01 20:46:22 +0100 |
|---|---|---|
| committer | Felipe Balbi <balbi@ti.com> | 2013-03-18 10:18:17 +0100 |
| commit | f9e612002fc50b3ae7cd1349eb2387e5430b44d9 (patch) | |
| tree | b14656d2cdd5705208b184f60d24bdf0b7f9cd60 /drivers/usb/gadget/f_uvc.c | |
| parent | usb: dwc3: exynos: use clk_prepare_enable and clk_disable_unprepare (diff) | |
| download | linux-f9e612002fc50b3ae7cd1349eb2387e5430b44d9.tar.xz linux-f9e612002fc50b3ae7cd1349eb2387e5430b44d9.zip | |
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>
Diffstat (limited to 'drivers/usb/gadget/f_uvc.c')
| -rw-r--r-- | drivers/usb/gadget/f_uvc.c | 5 |
1 files changed, 4 insertions, 1 deletions
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) |