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From: Jacopo Mondi <jacopo.mondi@ideasonboard.com>
To: Narasimharao Vadlamudi <ahmisaranrao@gmail.com>
Cc: michael.riesch@collabora.com, sakari.ailus@linux.intel.com,
	 mchehab@kernel.org, linux-media@vger.kernel.org,
	linux-kernel@vger.kernel.org
Subject: Re: [PATCH] media: i2c: imx415: Fix control error handling
Date: Mon, 3 Aug 2026 15:22:22 +0200	[thread overview]
Message-ID: <anCVxbryOUYGxmCk@zed> (raw)
In-Reply-To: <20260731125542.293895-1-ahmisaranrao@gmail.com>

Hello Narasimharao

On Fri, Jul 31, 2026 at 06:25:42PM +0530, Narasimharao Vadlamudi wrote:
> imx415_set_testpattern() accumulates failures from cci_write(), but drops
> the value and always returns success. Return the accumulated error so V4L2
> reports failures to userspace.
>
> The VBLANK path also returned immediately when programming VMAX failed
> after pm_runtime_get_if_in_use() had taken a runtime PM reference. Break
> out of the switch instead so the common pm_runtime_put() path is used.
>
These seems to be two separate issue worth two differnt patches ?

> Fixes: d5df1c7f3f83 ("media: i2c: imx415: Convert to new CCI register access helpers")
> Fixes: 3bcae55ab96a ("media: i2c: imx415: Add read/write control of VBLANK")

The double Fixes tag seems to suggest that

Also, Fixes commit need

Cc: stable@vger.kernel.org

> Signed-off-by: Narasimharao Vadlamudi <ahmisaranrao@gmail.com>

Thanks
   j

> ---
>  drivers/media/i2c/imx415.c | 4 ++--
>  1 file changed, 2 insertions(+), 2 deletions(-)
>
> diff --git a/drivers/media/i2c/imx415.c b/drivers/media/i2c/imx415.c
> index 0b424c17e880..c3b22b238ea0 100644
> --- a/drivers/media/i2c/imx415.c
> +++ b/drivers/media/i2c/imx415.c
> @@ -686,7 +686,7 @@ static int imx415_set_testpattern(struct imx415 *sensor, int val)
>  		cci_write(sensor->regmap, IMX415_DIG_CLP_MODE, 0x01, &ret);
>  		cci_write(sensor->regmap, IMX415_WRJ_OPEN, 0x01, &ret);
>  	}
> -	return 0;
> +	return ret;
>  }
>
>  static int imx415_s_ctrl(struct v4l2_ctrl *ctrl)
> @@ -720,7 +720,7 @@ static int imx415_s_ctrl(struct v4l2_ctrl *ctrl)
>  		ret = cci_write(sensor->regmap, IMX415_VMAX,
>  				format->height + ctrl->val, NULL);
>  		if (ret)
> -			return ret;
> +			break;
>  		/*
>  		 * Exposure is set based on VMAX which has just changed, so
>  		 * program exposure register as well
> --
> 2.43.0
>
>

      parent reply	other threads:[~2026-08-03 13:22 UTC|newest]

Thread overview: 3+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2026-07-31 12:55 [PATCH] media: i2c: imx415: Fix control error handling Narasimharao Vadlamudi
2026-08-03 13:14 ` Michael Riesch
2026-08-03 13:22 ` Jacopo Mondi [this message]

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