Re: [PATCH 1/4] media: ov2740: Debug log chip ID

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On Thu, Nov 28, 2024 at 4:23 PM Hans de Goede <hdegoede@xxxxxxxxxx> wrote:
>
> Calling the identify function may get delayed till the first stream-on,
> add a dev_dbg() to it so that we know when it has run. This is useful
> to debug bring-up problems related to regulators / clks / GPIOs.
>
> Signed-off-by: Hans de Goede <hdegoede@xxxxxxxxxx>
Reviewed by: Ricardo Ribalda <ribalda@xxxxxxxxxxxx>
> ---
>  drivers/media/i2c/ov2740.c | 2 ++
>  1 file changed, 2 insertions(+)
>
> diff --git a/drivers/media/i2c/ov2740.c b/drivers/media/i2c/ov2740.c
> index 387c529d9736..e7a611967b40 100644
> --- a/drivers/media/i2c/ov2740.c
> +++ b/drivers/media/i2c/ov2740.c
> @@ -644,6 +644,8 @@ static int ov2740_identify_module(struct ov2740 *ov2740)
>                 return -ENXIO;
>         }
>
> +       dev_dbg(&client->dev, "chip id: %x\n", val);
> +
nit: I would have written 0x%x instead, but the previous lines there
is %x != %x..
So up to you :)

>         ov2740->identified = true;
>
>         return 0;
> --
> 2.47.0
>
>


-- 
Ricardo Ribalda





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