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From: Alexander Stein <alexander.stein@ew.tq-group.com>
To: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
Cc: linux-media@vger.kernel.org,
	Manivannan Sadhasivam <mani@kernel.org>,
	Sakari Ailus <sakari.ailus@iki.fi>
Subject: Re: [PATCH 03/19] media: i2c: imx290: Specify HMAX values in decimal
Date: Thu, 21 Jul 2022 11:18:24 +0200	[thread overview]
Message-ID: <3848757.ElGaqSPkdT@steina-w> (raw)
In-Reply-To: <20220721083540.1525-4-laurent.pinchart@ideasonboard.com>

Hi Laurent,

thanks for working on this, I've also some patches on top for imx327 support.

Am Donnerstag, 21. Juli 2022, 10:35:24 CEST schrieb Laurent Pinchart:
> The HMAX value specifies the total line length in pixels. It's thus more
> readable in decimal than hexadecimal. Fix it.

I understand the motivation, pixels are more natural in decimal numbers, but 
e.g. what is 4400 pixels on this sensor? It is only mentioned sparsely and 
3300d is not mentioned at all, 0ce4h is instead.
I also like to have the hexadecimal numbers here as you can find them directly 
in the datasheet. To me this seems more sensible for cross-checking. Just my 
opinion.

Best regards,
Alexander

> Signed-off-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
> ---
>  drivers/media/i2c/imx290.c | 8 ++++----
>  1 file changed, 4 insertions(+), 4 deletions(-)
> 
> diff --git a/drivers/media/i2c/imx290.c b/drivers/media/i2c/imx290.c
> index 64bd43813dbf..f60a4135dc9c 100644
> --- a/drivers/media/i2c/imx290.c
> +++ b/drivers/media/i2c/imx290.c
> @@ -308,7 +308,7 @@ static const struct imx290_mode imx290_modes_2lanes[] =
> { {
>  		.width = 1920,
>  		.height = 1080,
> -		.hmax = 0x1130,
> +		.hmax = 4400,
>  		.link_freq_index = FREQ_INDEX_1080P,
>  		.data = imx290_1080p_settings,
>  		.data_size = ARRAY_SIZE(imx290_1080p_settings),
> @@ -316,7 +316,7 @@ static const struct imx290_mode imx290_modes_2lanes[] =
> { {
>  		.width = 1280,
>  		.height = 720,
> -		.hmax = 0x19c8,
> +		.hmax = 6600,
>  		.link_freq_index = FREQ_INDEX_720P,
>  		.data = imx290_720p_settings,
>  		.data_size = ARRAY_SIZE(imx290_720p_settings),
> @@ -327,7 +327,7 @@ static const struct imx290_mode imx290_modes_4lanes[] =
> { {
>  		.width = 1920,
>  		.height = 1080,
> -		.hmax = 0x0898,
> +		.hmax = 2200,
>  		.link_freq_index = FREQ_INDEX_1080P,
>  		.data = imx290_1080p_settings,
>  		.data_size = ARRAY_SIZE(imx290_1080p_settings),
> @@ -335,7 +335,7 @@ static const struct imx290_mode imx290_modes_4lanes[] =
> { {
>  		.width = 1280,
>  		.height = 720,
> -		.hmax = 0x0ce4,
> +		.hmax = 3300,
>  		.link_freq_index = FREQ_INDEX_720P,
>  		.data = imx290_720p_settings,
>  		.data_size = ARRAY_SIZE(imx290_720p_settings),





  reply	other threads:[~2022-07-21  9:18 UTC|newest]

Thread overview: 81+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2022-07-21  8:35 [PATCH 00/19] media: i2c: imx290: Miscellaneous improvements Laurent Pinchart
2022-07-21  8:35 ` [PATCH 01/19] media: i2c: imx290: Use device lock for the control handler Laurent Pinchart
2022-07-21  9:22   ` Alexander Stein
2022-07-21  8:35 ` [PATCH 02/19] media: i2c: imx290: Print error code when I2C transfer fails Laurent Pinchart
2022-07-21  9:23   ` Alexander Stein
2022-07-21  8:35 ` [PATCH 03/19] media: i2c: imx290: Specify HMAX values in decimal Laurent Pinchart
2022-07-21  9:18   ` Alexander Stein [this message]
2022-07-21 11:31     ` Laurent Pinchart
2022-07-21 11:54       ` Alexander Stein
2022-07-21 12:04         ` Laurent Pinchart
2022-07-21  8:35 ` [PATCH 04/19] media: i2c: imx290: Replace macro with explicit ARRAY_SIZE() Laurent Pinchart
2022-07-21  9:23   ` Alexander Stein
2022-07-21  8:35 ` [PATCH 05/19] media: i2c: imx290: Drop imx290_write_buffered_reg() Laurent Pinchart
2022-07-21  9:24   ` Alexander Stein
2022-07-21  8:35 ` [PATCH 06/19] media: i2c: imx290: Drop regmap cache Laurent Pinchart
2022-07-21  9:27   ` Alexander Stein
2022-07-21  8:35 ` [PATCH 07/19] media: i2c: imx290: Support variable-sized registers Laurent Pinchart
2022-07-21  9:43   ` Alexander Stein
2022-07-21 10:54     ` Laurent Pinchart
2022-07-21 11:18       ` Alexander Stein
2022-07-21 11:25         ` Laurent Pinchart
2022-07-21 11:43           ` Alexander Stein
2022-07-22 14:37             ` Sakari Ailus
2022-07-23 23:06               ` Laurent Pinchart
2022-07-25  6:49                 ` Alexander Stein
2022-08-23  1:08                   ` Laurent Pinchart
2022-08-23  2:51                     ` Laurent Pinchart
2022-08-23  7:19                       ` Alexander Stein
2022-10-16  5:36                         ` Laurent Pinchart
2022-07-21  8:35 ` [PATCH 08/19] media: i2c: imx290: Correct register sizes Laurent Pinchart
2022-07-21  8:35 ` [PATCH 09/19] media: i2c: imx290: Simplify error handling when writing registers Laurent Pinchart
2022-07-21  9:50   ` Alexander Stein
2022-07-21  8:35 ` [PATCH 10/19] media: i2c: imx290: Define more register macros Laurent Pinchart
2022-07-21 10:00   ` Alexander Stein
2022-07-21 11:08     ` Laurent Pinchart
2022-07-21 11:28       ` Alexander Stein
2022-10-16  4:27         ` Laurent Pinchart
2022-07-21  8:35 ` [PATCH 11/19] media: i2c: imx290: Add exposure time control Laurent Pinchart
2022-07-21 10:01   ` Alexander Stein
2022-07-21 15:52   ` Dave Stevenson
2022-07-21  8:35 ` [PATCH 12/19] media: i2c: imx290: Fix max gain value Laurent Pinchart
2022-07-21 10:02   ` Alexander Stein
2022-07-21 16:08   ` Dave Stevenson
2022-10-16  4:51     ` Laurent Pinchart
2022-07-21  8:35 ` [PATCH 13/19] media: i2c: imx290: Split control initialization to separate function Laurent Pinchart
2022-07-21 10:03   ` Alexander Stein
2022-07-21  8:35 ` [PATCH 14/19] media: i2c: imx290: Implement HBLANK and VBLANK controls Laurent Pinchart
2022-07-21 10:05   ` Alexander Stein
2022-07-21 11:17     ` Laurent Pinchart
2022-07-21 11:32       ` Alexander Stein
2022-07-21 16:37         ` Dave Stevenson
2022-10-16  6:10           ` Laurent Pinchart
2022-10-17 13:46             ` Dave Stevenson
2022-07-21  8:35 ` [PATCH 15/19] media: i2c: imx290: Create controls for fwnode properties Laurent Pinchart
2022-07-21 10:06   ` Alexander Stein
2022-07-21  8:35 ` [PATCH 16/19] media: i2c: imx290: Move registers with fixed value to init array Laurent Pinchart
2022-07-21 10:08   ` Alexander Stein
2022-07-21 10:40     ` Laurent Pinchart
2022-07-21 11:08       ` Alexander Stein
2022-07-21 16:19         ` Dave Stevenson
2022-07-22  5:53           ` Alexander Stein
2022-07-22  9:10             ` Dave Stevenson
2022-07-21  8:35 ` [PATCH 17/19] media: i2c: imx290: Factor out format retrieval to separate function Laurent Pinchart
2022-07-21 10:11   ` Alexander Stein
2022-07-21 10:36     ` Laurent Pinchart
2022-07-21 11:12       ` Alexander Stein
2022-07-21  8:35 ` [PATCH 18/19] media: i2c: imx290: Add crop selection targets support Laurent Pinchart
2022-07-21 15:39   ` Dave Stevenson
2022-10-16  5:53     ` Laurent Pinchart
2022-07-21  8:35 ` [PATCH 19/19] media: i2c: imx290: Replace GAIN control with ANALOGUE_GAIN Laurent Pinchart
2022-07-21 10:11   ` Alexander Stein
2022-08-23  1:11 ` [PATCH 00/19] media: i2c: imx290: Miscellaneous improvements Laurent Pinchart
2022-10-10 10:31   ` Dave Stevenson
2022-10-16  5:37     ` Laurent Pinchart
2022-10-16  7:34       ` Dave Stevenson
2022-10-17 18:07         ` Dave Stevenson
2022-10-18 13:43           ` Dave Stevenson
2022-10-19 10:33           ` Sakari Ailus
2022-10-19 11:38             ` Dave Stevenson
2022-10-19 13:27               ` Sakari Ailus
2023-01-14 16:03                 ` Laurent Pinchart

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