Hi Laurent!
Thanks for your feedback!
On Mon, 2 Sept 2024 at 21:56, Laurent Pinchart
<laurent.pinchart@xxxxxxxxxxxxxxxx> wrote:
> On Mon, Sep 02, 2024 at 05:57:26PM +0200, bbara93@xxxxxxxxx wrote:
> > From: Benjamin Bara <benjamin.bara@xxxxxxxxxxx>
> >
> > The imx290 datasheet states that the IMX290_STANDBY register has two
> > values: 0 for operating and 1 for standby. Define and use them.
> >
> > Signed-off-by: Benjamin Bara <benjamin.bara@xxxxxxxxxxx>
> > ---
> > Changes since v2:
> > - new, split out from the previous 1/2
> > ---
> > drivers/media/i2c/imx290.c | 7 +++++--
> > 1 file changed, 5 insertions(+), 2 deletions(-)
> >
> > diff --git a/drivers/media/i2c/imx290.c b/drivers/media/i2c/imx290.c
> > index 4150e6e4b9a6..1c97f9650eb4 100644
> > --- a/drivers/media/i2c/imx290.c
> > +++ b/drivers/media/i2c/imx290.c
> > @@ -29,6 +29,8 @@
> > #include <media/v4l2-subdev.h>
> >
> > #define IMX290_STANDBY CCI_REG8(0x3000)
> > +#define IMX290_STANDBY_OPERATING 0x00
> > +#define IMX290_STANDBY_STANDBY BIT(0)
>
> The convention, for single-bit fields, is to define a macro to describe
> the bit, but not a macro to describe the bit not being set.
>
> > #define IMX290_REGHOLD CCI_REG8(0x3001)
> > #define IMX290_XMSTA CCI_REG8(0x3002)
> > #define IMX290_ADBIT CCI_REG8(0x3005)
> > @@ -1016,7 +1018,8 @@ static int imx290_start_streaming(struct imx290 *imx290,
> > return ret;
> > }
> >
> > - cci_write(imx290->regmap, IMX290_STANDBY, 0x00, &ret);
> > + cci_write(imx290->regmap, IMX290_STANDBY, IMX290_STANDBY_OPERATING,
> > + &ret);
>
> I would thus rather drop this change.
>
> >
> > msleep(30);
> >
> > @@ -1029,7 +1032,7 @@ static int imx290_stop_streaming(struct imx290 *imx290)
> > {
> > int ret = 0;
> >
> > - cci_write(imx290->regmap, IMX290_STANDBY, 0x01, &ret);
> > + cci_write(imx290->regmap, IMX290_STANDBY, IMX290_STANDBY_STANDBY, &ret);
>
> And keep this one.
>
> >
> > msleep(30);
> >
Thanks, will do in the next version.
Kind regards
Benjamin
>
> --
> Regards,
>
> Laurent Pinchart
