V4L2_EVENT_CTRL_CH_VALUE
changes |= V4L2_EVENT_CTRL_CH_VALUE;
V4L2_EVENT_CTRL_CH_VALUE);
u32 changes = V4L2_EVENT_CTRL_CH_VALUE;
changes |= V4L2_EVENT_CTRL_CH_VALUE;
send_event(NULL, ctrl, V4L2_EVENT_CTRL_CH_VALUE |
(changed ? V4L2_EVENT_CTRL_CH_VALUE : 0) | ch_flags);
changes |= V4L2_EVENT_CTRL_CH_VALUE;