Re: [PATCH] media: i2c: vd55g1: Register as a sensor sub-device

[Benjamin Mugnier <benjamin.mugnier@foss.st.com>]

Hi George,

Thank you for your patch.

Le 16/10/2026 à 08:37, George Neacsu via B4 Relay a écrit :
> From: George Neacsu <geocausa@gmail.com>
> 
> The binding references video-interface-devices.yaml, so a board can
> link the sensor to its illuminator with flash-leds. The driver
> registers with v4l2_async_register_subdev(), which does not parse that
> property, so the flash sub-device is never bound and never appears in
> the media graph.
> 
> Use v4l2_async_register_subdev_sensor(), which also handles flash-leds
> and lens-focus. v4l2_async_unregister_subdev() already cleans up the
> sub-notifier it creates.
> 
> Tested on a Surface Pro 11 (X1E80100), whose VD55G0 IR sensor (with
> Peter Marshall's VD55G0 support applied) drives the PM8550 flash LED
> in hardware strobe mode: with this change the leds-qcom-flash V4L2
> flash sub-device binds and the IR LED can be armed from userspace.
> 
> Assisted-by: Claude:claude-opus-5-5
> Signed-off-by: George Neacsu <geocausa@gmail.com>

Signed-off-by: Benjamin Mugnier <benjamin.mgunier@foss.st.com>

> ---
>  drivers/media/i2c/vd55g1.c | 2 +-
>  1 file changed, 1 insertion(+), 1 deletion(-)
> 
> diff --git a/drivers/media/i2c/vd55g1.c b/drivers/media/i2c/vd55g1.c
> index 6f458f6..8e050b4 100644
> --- a/drivers/media/i2c/vd55g1.c
> +++ b/drivers/media/i2c/vd55g1.c
> @@ -2043,7 +2043,7 @@ static int vd55g1_probe(struct i2c_client *client)
>  		goto err_power_off;
>  	}
>  
> -	ret = v4l2_async_register_subdev(&sensor->sd);
> +	ret = v4l2_async_register_subdev_sensor(&sensor->sd);
>  	if (ret) {
>  		dev_err(dev, "async subdev register failed %d\n", ret);
>  		goto err_subdev;
> 
> ---
> base-commit: 62f482ff73bf3ae88b0c899115527752cf9cbf13
> change-id: 20261016-vd55g1-async-sensor-5be09860b38a
> 
> Best regards,

-- 
Regards,
Benjamin