[v1,0/4] usb: gadget: uvc: parse configfs entries and implement v4l2 enum api calls

Message

Michael Grzeschik Sept. 9, 2022, 7:16 p.m. UTC

This series improves the uvc video gadget by parsing the configfs
entries. With the configfs data, the userspace now is able to use simple
v4l2 api calls like enum and try_format to check for valid configurations
initially set by configfs.

Michael Grzeschik (4):
  media: v4l: move helper functions for fractions from uvc to
    v4l2-common
  media: uvcvideo: move uvc_format_desc to common header
  usb: gadget: uvc: add v4l2 enumeration api calls
  usb: gadget: uvc: add v4l2 try_format api call

 drivers/media/usb/uvc/uvc_ctrl.c       |   1 +
 drivers/media/usb/uvc/uvc_driver.c     | 290 +-------------------
 drivers/media/usb/uvc/uvc_v4l2.c       |  14 +-
 drivers/media/usb/uvc/uvcvideo.h       | 147 ----------
 drivers/media/v4l2-core/v4l2-common.c  |  86 ++++++
 drivers/usb/gadget/function/f_uvc.c    |  30 +++
 drivers/usb/gadget/function/uvc.h      |   2 +
 drivers/usb/gadget/function/uvc_v4l2.c | 286 ++++++++++++++++++++
 include/media/v4l2-common.h            |   4 +
 include/media/v4l2-uvc.h               | 359 +++++++++++++++++++++++++
 10 files changed, 776 insertions(+), 443 deletions(-)
 create mode 100644 include/media/v4l2-uvc.h