linux-kernel - RE: [PATCH] media: atmel: atmel-isc: reworked driver and formats

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Message-ID: <BL0PR07MB4115ECEE3BED0B46C342F4A9AD630@BL0PR07MB4115.namprd07.prod.outlook.com>
Date:   Mon, 18 Feb 2019 13:37:26 +0000
From:   Ken Sloat <KSloat@...pglobal.com>
To:     "Eugen.Hristev@...rochip.com" <Eugen.Hristev@...rochip.com>,
        "linux-media@...r.kernel.org" <linux-media@...r.kernel.org>,
        "linux-arm-kernel@...ts.infradead.org" 
        <linux-arm-kernel@...ts.infradead.org>,
        "linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>,
        "mchehab@...nel.org" <mchehab@...nel.org>,
        "Nicolas.Ferre@...rochip.com" <Nicolas.Ferre@...rochip.com>,
        "sakari.ailus@....fi" <sakari.ailus@....fi>,
        "hverkuil@...all.nl" <hverkuil@...all.nl>
Subject: RE: [PATCH] media: atmel: atmel-isc: reworked driver and formats

> -----Original Message-----
> From: Eugen.Hristev@...rochip.com <Eugen.Hristev@...rochip.com>
> Sent: Friday, February 15, 2019 3:38 AM
> To: linux-media@...r.kernel.org; linux-arm-kernel@...ts.infradead.org; linux-
> kernel@...r.kernel.org; mchehab@...nel.org;
> Nicolas.Ferre@...rochip.com; Ken Sloat <KSloat@...pglobal.com>;
> sakari.ailus@....fi; hverkuil@...all.nl
> Cc: Eugen.Hristev@...rochip.com
> Subject: [PATCH] media: atmel: atmel-isc: reworked driver and formats
> 
> From: Eugen Hristev <eugen.hristev@...rochip.com>
> 
> This change is a redesign in the formats and the way the ISC is configured
> w.r.t. sensor format and the output format from the ISC.
> I have changed the splitting between sensor output (which is also ISC input)
> and ISC output.
> The sensor format represents the way the sensor is configured, and what ISC
> is receiving.
> The format configuration represents the way ISC is interpreting the data and
> formatting the output to the subsystem.
> Now it's much easier to figure out what is the ISC configuration for input, and
> what is the configuration for output.
> The non-raw format can be obtained directly from sensor or it can be done
> inside the ISC. The controller format list will include a configuration for each
> format.
> The old supported formats are still in place, if we want to dump the sensor
> format directly to the output, the try format routine will detect and configure
> the pipeline accordingly.
> This also fixes the previous issues when the raw format was NULL which
> resulted in many crashes for sensors which did not have the expected/tested
> formats.
> 
> Signed-off-by: Eugen Hristev <eugen.hristev@...rochip.com>
> ---
> Hello Ken and possibly others using ISC driver,
> 
> I would appreciate if you could test this patch with your sensor, because I do
> not wish to break anything in your setups.
> Feedback is appreciated if any errors appear, so I can fix them.
> I tested with ov5640, ov7670, ov7740(only in 4.19 because on latest it's
> broken for me...) Rebased this patch on top of mediatree.git/master Thanks!
> 
> Eugen
> 
Hi Eugen,

No problem I will try to test sometime this week on my setup. I appreciate you keeping me in the loop.

Thanks,
Ken