Re: [PATCH v4 1/2] media: i2c: imx412: fix sensor power-on timing

[Wenmeng Liu]

Hi Tarang,

On 1/21/2026 4:47 PM, Tarang Raval wrote:
> Hi Wenmeng,
>
> > Assert the reset GPIO before first power up. This avoids a mismatch where
> > the first power up (when the reset GPIO defaults deasserted) differs from
> > subsequent cycles.
> >                                                                                
> > Signed-off-by: Wenmeng Liu <wenmeng.liu@xxxxxxxxxxxxxxxx>
> > ---
> >   drivers/media/i2c/imx412.c | 2 ++
> >   1 file changed, 2 insertions(+)
> >                                                                                
> > diff --git a/drivers/media/i2c/imx412.c b/drivers/media/i2c/imx412.c
> > index b3826f80354703b17b416dc233854da3f5736e38..5cb55deb125edb218779b076429f9fff93e11a08 100644
> > --- a/drivers/media/i2c/imx412.c
> > +++ b/drivers/media/i2c/imx412.c
> > @@ -1188,6 +1188,8 @@ static int imx412_probe(struct i2c_client *client)
> >                                                                                
> >          mutex_init(&imx412->mutex);
> >                                                                                
> > +       gpiod_set_value_cansleep(imx412->reset_gpio, 1);
> > +
>                                                                                  
> Just logic needs to be set to high when requesting this GPIO in
> imx412_parse_hw_config.
Thank you for pointing that out.

Thanks,
Wenmeng