a76c86f427
ADV7180 has a built-in mechanism to generate some video patterns, which is very useful for debug/bring-up activities. Add support for it. The test_pattern parameter can be one of the following values: 0: "Single color" 1: "Color bars" 2: "Luma ramp" 3: "Boundary box" 4: "Disable" Tested on a imx6q board with an ADV7280. Signed-off-by: Fabio Estevam <festevam@gmail.com> Signed-off-by: Sakari Ailus <sakari.ailus@linux.intel.com> Signed-off-by: Mauro Carvalho Chehab <mchehab@kernel.org>