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3 Commits

Author SHA1 Message Date
Michael Grzeschik
2d83eb5d24 usb: uvc: use v4l2_fill_fmtdesc instead of open coded format name 
Since v4l2_fill_fmtdesc will be called in the ioctl v4l_enum_fmt anyway.
We can set the format description and compressed flag from v4l_fill_fmtdesc
and can remove the extra name field in uvc_format_desc.

Reviewed-by: Daniel Scally <dan.scally@ideasonboard.com>
Tested-by: Daniel Scally <dan.scally@ideasonboard.com>
Signed-off-by: Michael Grzeschik <m.grzeschik@pengutronix.de>
Reviewed-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
Link: https://lore.kernel.org/r/20230126231456.3402323-6-m.grzeschik@pengutronix.de
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
 2023-01-31 09:40:43 +01:00
Michael Grzeschik
8ecb17a86c usb: uvc: make uvc_format_desc table const 
Since the uvc_fmts array can not be modified we declare it const and
change every user of the uvc_format_by_guid function aswell.

Reviewed-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
Reviewed-by: Daniel Scally <dan.scally@ideasonboard.com>
Tested-by: Daniel Scally <dan.scally@ideasonboard.com>
Signed-off-by: Michael Grzeschik <m.grzeschik@pengutronix.de>
Link: https://lore.kernel.org/r/20230126231456.3402323-5-m.grzeschik@pengutronix.de
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
 2023-01-31 09:40:42 +01:00
Michael Grzeschik
466be4c9a6 usb: uvc: move uvc_fmts and uvc_format_by_guid to own compile unit 
The media driver USB_VIDEO_CLASS and USB_F_UVC are using the same
function uvc_format_by_guid. Since the function is inline, every user
will get a copy of the used uvc_fmts array and the function. This patch
moves the code to an own compile unit and add this dependency as
UVC_COMMON to both users.

Reviewed-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
Reviewed-by: Daniel Scally <dan.scally@ideasonboard.com>
Tested-by: Daniel Scally <dan.scally@ideasonboard.com>
Signed-off-by: Michael Grzeschik <m.grzeschik@pengutronix.de>
Link: https://lore.kernel.org/r/20230126231456.3402323-4-m.grzeschik@pengutronix.de
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
 2023-01-31 09:40:42 +01:00