linux-kernel - Re: [PATCH 1/4] media: imx-media-csi: fix v4l2-compliance check

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Date:   Sun, 19 Mar 2017 15:00:26 -0700
From:   Steve Longerbeam <slongerbeam@...il.com>
To:     Russell King <rmk+kernel@...linux.org.uk>,
        Steve Longerbeam <steve_longerbeam@...tor.com>
Cc:     sakari.ailus@...ux.intel.com, hverkuil@...all.nl,
        linux-media@...r.kernel.org, kernel@...gutronix.de,
        mchehab@...nel.org, linux-arm-kernel@...ts.infradead.org,
        linux-kernel@...r.kernel.org, p.zabel@...gutronix.de
Subject: Re: [PATCH 1/4] media: imx-media-csi: fix v4l2-compliance check

Looks good to me.

Steve


On 03/19/2017 03:48 AM, Russell King wrote:
> v4l2-compliance was failing with:
>
>                  fail: v4l2-test-formats.cpp(1076): cap->timeperframe.numerator == 0 || cap->timeperframe.denominator == 0
>                  test VIDIOC_G/S_PARM: FAIL
>
> Fix this.
>
> Signed-off-by: Russell King <rmk+kernel@...linux.org.uk>
> ---
>   drivers/staging/media/imx/imx-media-csi.c | 4 +++-
>   1 file changed, 3 insertions(+), 1 deletion(-)
>
> diff --git a/drivers/staging/media/imx/imx-media-csi.c b/drivers/staging/media/imx/imx-media-csi.c
> index 0336891069dc..65346e789dd6 100644
> --- a/drivers/staging/media/imx/imx-media-csi.c
> +++ b/drivers/staging/media/imx/imx-media-csi.c
> @@ -680,8 +680,10 @@ static const struct csi_skip_desc *csi_find_best_skip(struct v4l2_fract *in,
>   
>   	/* Default to 1:1 ratio */
>   	if (out->numerator == 0 || out->denominator == 0 ||
> -	    in->numerator == 0 || in->denominator == 0)
> +	    in->numerator == 0 || in->denominator == 0) {
> +		*out = *in;
>   		return best_skip;
> +	}
>   
>   	want_us = div_u64((u64)USEC_PER_SEC * out->numerator, out->denominator);
>