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From: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
To: Alexander Stein <alexander.stein@ew.tq-group.com>
Cc: Mauro Carvalho Chehab <mchehab@kernel.org>,
	Sakari Ailus <sakari.ailus@linux.intel.com>,
	Manivannan Sadhasivam <mani@kernel.org>,
	Hans de Goede <hdegoede@redhat.com>,
	linux-media@vger.kernel.org,
	Alain Volmat <alain.volmat@foss.st.com>,
	stable@vger.kernel.org
Subject: Re: [PATCH v2 2/2] media: i2c: imx290: Properly encode registers as little-endian
Date: Thu, 2 Nov 2023 03:23:59 +0200	[thread overview]
Message-ID: <20231102012359.GD5933@pendragon.ideasonboard.com> (raw)
In-Reply-To: <20231101122354.270453-3-alexander.stein@ew.tq-group.com>

Hi Alexander,

Thank you for the patch.

On Wed, Nov 01, 2023 at 01:23:54PM +0100, Alexander Stein wrote:
> The conversion to CCI also converted the multi-byte register access to
> big-endian. Correct the register definition by using the correct
> little-endian ones.
> 
> Fixes: af73323b97702 ("media: imx290: Convert to new CCI register access helpers")
> Cc: stable@vger.kernel.org
> Signed-off-by: Alexander Stein <alexander.stein@ew.tq-group.com>

Reviewed-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>

> ---
>  drivers/media/i2c/imx290.c | 42 +++++++++++++++++++-------------------
>  1 file changed, 21 insertions(+), 21 deletions(-)
> 
> diff --git a/drivers/media/i2c/imx290.c b/drivers/media/i2c/imx290.c
> index 29098612813cb..c6fea5837a19f 100644
> --- a/drivers/media/i2c/imx290.c
> +++ b/drivers/media/i2c/imx290.c
> @@ -41,18 +41,18 @@
>  #define IMX290_WINMODE_720P				(1 << 4)
>  #define IMX290_WINMODE_CROP				(4 << 4)
>  #define IMX290_FR_FDG_SEL				CCI_REG8(0x3009)
> -#define IMX290_BLKLEVEL					CCI_REG16(0x300a)
> +#define IMX290_BLKLEVEL					CCI_REG16_LE(0x300a)
>  #define IMX290_GAIN					CCI_REG8(0x3014)
> -#define IMX290_VMAX					CCI_REG24(0x3018)
> +#define IMX290_VMAX					CCI_REG24_LE(0x3018)
>  #define IMX290_VMAX_MAX					0x3ffff
> -#define IMX290_HMAX					CCI_REG16(0x301c)
> +#define IMX290_HMAX					CCI_REG16_LE(0x301c)
>  #define IMX290_HMAX_MAX					0xffff
> -#define IMX290_SHS1					CCI_REG24(0x3020)
> +#define IMX290_SHS1					CCI_REG24_LE(0x3020)
>  #define IMX290_WINWV_OB					CCI_REG8(0x303a)
> -#define IMX290_WINPV					CCI_REG16(0x303c)
> -#define IMX290_WINWV					CCI_REG16(0x303e)
> -#define IMX290_WINPH					CCI_REG16(0x3040)
> -#define IMX290_WINWH					CCI_REG16(0x3042)
> +#define IMX290_WINPV					CCI_REG16_LE(0x303c)
> +#define IMX290_WINWV					CCI_REG16_LE(0x303e)
> +#define IMX290_WINPH					CCI_REG16_LE(0x3040)
> +#define IMX290_WINWH					CCI_REG16_LE(0x3042)
>  #define IMX290_OUT_CTRL					CCI_REG8(0x3046)
>  #define IMX290_ODBIT_10BIT				(0 << 0)
>  #define IMX290_ODBIT_12BIT				(1 << 0)
> @@ -78,28 +78,28 @@
>  #define IMX290_ADBIT2					CCI_REG8(0x317c)
>  #define IMX290_ADBIT2_10BIT				0x12
>  #define IMX290_ADBIT2_12BIT				0x00
> -#define IMX290_CHIP_ID					CCI_REG16(0x319a)
> +#define IMX290_CHIP_ID					CCI_REG16_LE(0x319a)
>  #define IMX290_ADBIT3					CCI_REG8(0x31ec)
>  #define IMX290_ADBIT3_10BIT				0x37
>  #define IMX290_ADBIT3_12BIT				0x0e
>  #define IMX290_REPETITION				CCI_REG8(0x3405)
>  #define IMX290_PHY_LANE_NUM				CCI_REG8(0x3407)
>  #define IMX290_OPB_SIZE_V				CCI_REG8(0x3414)
> -#define IMX290_Y_OUT_SIZE				CCI_REG16(0x3418)
> -#define IMX290_CSI_DT_FMT				CCI_REG16(0x3441)
> +#define IMX290_Y_OUT_SIZE				CCI_REG16_LE(0x3418)
> +#define IMX290_CSI_DT_FMT				CCI_REG16_LE(0x3441)
>  #define IMX290_CSI_DT_FMT_RAW10				0x0a0a
>  #define IMX290_CSI_DT_FMT_RAW12				0x0c0c
>  #define IMX290_CSI_LANE_MODE				CCI_REG8(0x3443)
> -#define IMX290_EXTCK_FREQ				CCI_REG16(0x3444)
> -#define IMX290_TCLKPOST					CCI_REG16(0x3446)
> -#define IMX290_THSZERO					CCI_REG16(0x3448)
> -#define IMX290_THSPREPARE				CCI_REG16(0x344a)
> -#define IMX290_TCLKTRAIL				CCI_REG16(0x344c)
> -#define IMX290_THSTRAIL					CCI_REG16(0x344e)
> -#define IMX290_TCLKZERO					CCI_REG16(0x3450)
> -#define IMX290_TCLKPREPARE				CCI_REG16(0x3452)
> -#define IMX290_TLPX					CCI_REG16(0x3454)
> -#define IMX290_X_OUT_SIZE				CCI_REG16(0x3472)
> +#define IMX290_EXTCK_FREQ				CCI_REG16_LE(0x3444)
> +#define IMX290_TCLKPOST					CCI_REG16_LE(0x3446)
> +#define IMX290_THSZERO					CCI_REG16_LE(0x3448)
> +#define IMX290_THSPREPARE				CCI_REG16_LE(0x344a)
> +#define IMX290_TCLKTRAIL				CCI_REG16_LE(0x344c)
> +#define IMX290_THSTRAIL					CCI_REG16_LE(0x344e)
> +#define IMX290_TCLKZERO					CCI_REG16_LE(0x3450)
> +#define IMX290_TCLKPREPARE				CCI_REG16_LE(0x3452)
> +#define IMX290_TLPX					CCI_REG16_LE(0x3454)
> +#define IMX290_X_OUT_SIZE				CCI_REG16_LE(0x3472)
>  #define IMX290_INCKSEL7					CCI_REG8(0x3480)
>  
>  #define IMX290_PGCTRL_REGEN				BIT(0)

-- 
Regards,

Laurent Pinchart

      reply	other threads:[~2023-11-02  1:24 UTC|newest]

Thread overview: 14+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
     [not found] <20231101122354.270453-1-alexander.stein@ew.tq-group.com>
2023-11-01 12:23 ` [PATCH v2 1/2] media: v4l2-cci: Add support for little-endian encoded registers Alexander Stein
2023-11-02  1:22   ` Laurent Pinchart
2023-11-02  6:30     ` Sakari Ailus
2023-11-02  7:51       ` Alexander Stein
2023-11-02  8:25         ` Sakari Ailus
2023-11-02  9:27           ` Hans de Goede
2023-11-02  9:56             ` Sakari Ailus
2023-11-02  9:58               ` Sakari Ailus
2023-11-02  7:55     ` Alexander Stein
2023-11-02  8:24       ` Laurent Pinchart
2023-11-02  8:31         ` Sakari Ailus
2023-11-02  8:33           ` Sakari Ailus
2023-11-01 12:23 ` [PATCH v2 2/2] media: i2c: imx290: Properly encode registers as little-endian Alexander Stein
2023-11-02  1:23   ` Laurent Pinchart [this message]

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