Re: [PATCH v6 2/2] media:imx274 V4l2 driver for Sony imx274 CMOS sensor

From: Sakari Ailus
Date: Thu Sep 28 2017 - 04:10:54 EST


Hi Leon,

On Wed, Sep 27, 2017 at 11:48:21PM -0700, Leon Luo wrote:
> Hi Sakari,
>
> Thanks for your comments.
>
> Regarding imx274_tp_regs[], the first value is the test pattern mode, which
> will be updated according to the input value before writing the register.
> So it can't be a const.

In that case you'll need to explicitly write that register; this is
specific to a device whereas the static variable is the same for all
devices.

>
> I will use __v4l2_ctrl_s_ctrl instead of v4l2_ctrl_s_ctrl to keep the
> lock/unlock mutex clean. I am traveling right now, will test it and send a
> new patch this weekend.

Ack.

--
Sakari Ailus
e-mail: sakari.ailus@xxxxxx