Orange Pi5 kernel

^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  1) .. SPDX-License-Identifier: GPL-2.0
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  2) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  3) Guidelines for Video4Linux pixel format 4CCs
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  4) ============================================
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  5) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  6) Guidelines for Video4Linux 4CC codes defined using v4l2_fourcc() are
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  7) specified in this document. First of the characters defines the nature of
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  8) the pixel format, compression and colour space. The interpretation of the
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  9) other three characters depends on the first one.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 10) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 11) Existing 4CCs may not obey these guidelines.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 12) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 13) Raw bayer
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 14) ---------
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 15) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 16) The following first characters are used by raw bayer formats:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 17) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 18) - B: raw bayer, uncompressed
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 19) - b: raw bayer, DPCM compressed
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 20) - a: A-law compressed
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 21) - u: u-law compressed
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 22) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 23) 2nd character: pixel order
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 24) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 25) - B: BGGR
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 26) - G: GBRG
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 27) - g: GRBG
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 28) - R: RGGB
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 29) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 30) 3rd character: uncompressed bits-per-pixel 0--9, A--
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 31) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 32) 4th character: compressed bits-per-pixel 0--9, A--