Re: [PATCH] media: imx214: Fix the error handling in imx214_probe()

From: Ricardo Ribalda Delgado
Date: Wed May 11 2022 - 08:19:37 EST


Hi Zheyu

Do you have seen this issue in a real hardware? The device enters
idle state unconditionally after power_on during probe.

https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/tree/drivers/media/i2c/imx214.c#n1008




On Tue, May 10, 2022 at 1:49 PM Zheyu Ma <zheyuma97@xxxxxxxxx> wrote:
>
> The driver should disable regulators when fails to probe.
>
> Signed-off-by: Zheyu Ma <zheyuma97@xxxxxxxxx>
> ---
> drivers/media/i2c/imx214.c | 1 +
> 1 file changed, 1 insertion(+)
>
> diff --git a/drivers/media/i2c/imx214.c b/drivers/media/i2c/imx214.c
> index 83c1737abeec..61eeaefd4298 100644
> --- a/drivers/media/i2c/imx214.c
> +++ b/drivers/media/i2c/imx214.c
> @@ -1076,6 +1076,7 @@ static int imx214_probe(struct i2c_client *client)
> mutex_destroy(&imx214->mutex);
> v4l2_ctrl_handler_free(&imx214->ctrls);
> pm_runtime_disable(imx214->dev);
> + regulator_bulk_disable(IMX214_NUM_SUPPLIES, imx214->supplies);
>
> return ret;
> }
> --
> 2.25.1
>