On 30/03/18 08:16, asadpt iqroot wrote: > Hi All, > > In reference sensor drivers, they used the > V4L2_CID_DV_RX_POWER_PRESENT v4l2 ctrl. > It is a standard ctrl and created using v4l2_ctrl_new_std(). > > The doubts are: > > 1. Whether in our sensor driver, we need to create this Control Id or > not. How to take the decision on this. Since this is the standard > ctrl. When we need to use these standard ctrls?? No. This control is for HDMI receivers, not for sensors. Regards, Hans > > 2. In Sensor driver, the ctrls creation is anything depends on the > bridge driver. > Based on bridge driver, whether we need to create any ctrls in Sensor driver. > > This question belongs to design of the sensor driver. > > > > Thanks & Regards >