V4L2_FLASH_STROBE_SOURCE_SOFTWARE
V4L2_FLASH_STROBE_SOURCE_SOFTWARE, ~0x1, 0);
0x1, ~0x3, V4L2_FLASH_STROBE_SOURCE_SOFTWARE);
0x1, ~0x3, V4L2_FLASH_STROBE_SOURCE_SOFTWARE);
V4L2_FLASH_STROBE_SOURCE_SOFTWARE)));
mask = (1 << V4L2_FLASH_STROBE_SOURCE_SOFTWARE) |
ctrl_cfg->def = V4L2_FLASH_STROBE_SOURCE_SOFTWARE;
V4L2_FLASH_STROBE_SOURCE_SOFTWARE);