Hi Sakari!
On Fri, Nov 17, 2017 at 02:43:15AM +0200, Sakari Ailus wrote:
> Hi Jacopo,
>
> On Wed, Nov 15, 2017 at 11:56:01AM +0100, Jacopo Mondi wrote:
> >
[snip]
> > +#include <linux/clk.h>
> > #include <linux/init.h>
> > #include <linux/kernel.h>
> > #include <linux/module.h>
> > @@ -25,8 +26,8 @@
> > #include <linux/videodev2.h>
> >
> > #include <media/i2c/ov772x.h>
> > -#include <media/soc_camera.h>
> > -#include <media/v4l2-clk.h>
> > +
> > +#include <media/v4l2-device.h>
>
> Alphabetical order would be nice.
ups!
>
> > #include <media/v4l2-ctrls.h>
> > #include <media/v4l2-subdev.h>
> > #include <media/v4l2-image-sizes.h>
> > @@ -393,7 +394,7 @@ struct ov772x_win_size {
> > struct ov772x_priv {
> > struct v4l2_subdev subdev;
> > struct v4l2_ctrl_handler hdl;
> > - struct v4l2_clk *clk;
> > + struct clk *clk;
> > struct ov772x_camera_info *info;
> > const struct ov772x_color_format *cfmt;
> > const struct ov772x_win_size *win;
> > @@ -550,7 +551,7 @@ static int ov772x_reset(struct i2c_client *client)
> > }
> >
> > /*
> > - * soc_camera_ops function
> > + * subdev ops
> > */
> >
> > static int ov772x_s_stream(struct v4l2_subdev *sd, int enable)
> > @@ -650,13 +651,36 @@ static int ov772x_s_register(struct v4l2_subdev *sd,
> > }
> > #endif
> >
> > +static int ov772x_power_on(struct ov772x_priv *priv)
> > +{
> > + int ret;
> > +
> > + if (priv->info->platform_enable) {
> > + ret = priv->info->platform_enable();
> > + if (ret)
> > + return ret;
>
> What does this do, enable the regulator?
Well, it depends on what function the platform code stores in
'platform_enable' pointer, doesn't it?
As you can see in [05/10] of this series, for Migo-R it's not about
a regulator, but switching between the two available video inputs
(OV7725 and TW9910) toggling their 'enable' pins.
Thanks
j
