Hi Sakari, On Wed, Apr 18, 2018 at 04:17:02PM +0300, Sakari Ailus wrote: > On Wed, Apr 18, 2018 at 02:55:36PM +0200, jacopo mondi wrote: > > Hi Akinobu, > > > > On Mon, Apr 16, 2018 at 11:51:51AM +0900, Akinobu Mita wrote: > > > The set_fmt() in subdev pad ops, the s_ctrl() for subdev control handler, > > > and the s_frame_interval() in subdev video ops could be called when the > > > device is under power saving mode. These callbacks for ov772x driver > > > cause updating H/W registers that will fail under power saving mode. > > > > > > > I might be wrong, but if the sensor is powered off, you should not > > receive any subdev_pad_ops function call if sensor is powered off. > > This happens (now that the driver supports sub-device uAPI) if the user > opens a sub-device node but the main driver has not powered the sensor on. Indeed. Sorry for the noise. Could you please check my reply to [08/10] as well? Thanks j > > -- > Sakari Ailus > sakari.ailus@xxxxxxxxxxxxxxx
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