linux-kernel - Re: [PATCH] media: i2c: imx334: add support for additional test patterns

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Message-ID: <5a078dac-7e40-4145-aa06-59c57288b177@linux.intel.com>
Date: Sun, 29 Jun 2025 13:20:34 +0300
From: Sakari Ailus <sakari.ailus@...ux.intel.com>
To: Shravan.Chippa@...rochip.com, kieran.bingham@...asonboard.com,
 mchehab@...nel.org
Cc: linux-media@...r.kernel.org, linux-kernel@...r.kernel.org,
 Conor.Dooley@...rochip.com, Valentina.FernandezAlanis@...rochip.com,
 Praveen.Kumar@...rochip.com
Subject: Re: [PATCH] media: i2c: imx334: add support for additional test
 patterns

On 6/26/25 10:09, Shravan.Chippa@...rochip.com wrote:
> Hi Kieran,
> 
> 
>> -----Original Message-----
>> From: Kieran Bingham <kieran.bingham@...asonboard.com>
>> Sent: Tuesday, June 24, 2025 3:28 PM
>> To: mchehab@...nel.org; sakari.ailus@...ux.intel.com; shravan Chippa -
>> I35088 <Shravan.Chippa@...rochip.com>
>> Cc: linux-media@...r.kernel.org; linux-kernel@...r.kernel.org; Conor Dooley -
>> M52691 <Conor.Dooley@...rochip.com>; Valentina Fernandez Alanis -
>> M63239 <Valentina.FernandezAlanis@...rochip.com>; Praveen Kumar -
>> I30718 <Praveen.Kumar@...rochip.com>; shravan Chippa - I35088
>> <Shravan.Chippa@...rochip.com>
>> Subject: Re: [PATCH] media: i2c: imx334: add support for additional test
>> patterns
>>
>> EXTERNAL EMAIL: Do not click links or open attachments unless you know the
>> content is safe
>>
>> Hi Shravan
>>
>> Quoting shravan kumar (2025-06-24 07:54:38)
>>> From: Shravan Chippa <shravan.chippa@...rochip.com>
>>>
>>> Added support for three additional test patterns in the
>>> IMX334 driver: Black and Grey Bars, Black Color, and White Color.
>>>
>>> Signed-off-by: Shravan Chippa <shravan.chippa@...rochip.com>
>>> ---
>>>   drivers/media/i2c/imx334.c | 9 +++++++++
>>>   1 file changed, 9 insertions(+)
>>>
>>> diff --git a/drivers/media/i2c/imx334.c b/drivers/media/i2c/imx334.c
>>> index 846b9928d4e8..43dd7edb48c8 100644
>>> --- a/drivers/media/i2c/imx334.c
>>> +++ b/drivers/media/i2c/imx334.c
>>> @@ -118,6 +118,9 @@
>>>   #define IMX334_REG_TP                  CCI_REG8(0x329e)
>>>   #define IMX334_TP_COLOR_HBARS          0xa
>>>   #define IMX334_TP_COLOR_VBARS          0xb
>>> +#define IMX334_TP_BLACK                        0x0
>>> +#define IMX334_TP_WHITE                        0x1
>>> +#define IMX334_TP_BLACK_GREY           0xC
>>
>> This should be lower case to match the other hex constants (0xc)
>>
>> I also wonder if this list should be in register address order ... but then it won't
>> match the menu items ...
> 
> This is just value to write in the register

The menu items that are off the register value are already there so I'd 
just keep them as-is. I'll apply this with the constant fixed.

-- 
Regards,

Sakari Ailus