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
>
>
prev 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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