linux-kernel - Re: [PATCH v3 12/25] media: i2c: imx258: Allow configuration of clock lane behaviour

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Message-ID: <Zg/KcQ6OI5QhgMaI@duo.ucw.cz>
Date: Fri, 5 Apr 2024 11:54:57 +0200
From: Pavel Machek <pavel@....cz>
To: Luigi311 <git@...gi311.com>
Cc: linux-media@...r.kernel.org, dave.stevenson@...pberrypi.com,
	jacopo.mondi@...asonboard.com, mchehab@...nel.org, robh@...nel.org,
	krzysztof.kozlowski+dt@...aro.org, conor+dt@...nel.org,
	shawnguo@...nel.org, s.hauer@...gutronix.de, kernel@...gutronix.de,
	festevam@...il.com, sakari.ailus@...ux.intel.com,
	devicetree@...r.kernel.org, imx@...ts.linux.dev,
	linux-arm-kernel@...ts.infradead.org, linux-kernel@...r.kernel.org,
	phone-devel@...r.kernel.org
Subject: Re: [PATCH v3 12/25] media: i2c: imx258: Allow configuration of
 clock lane behaviour

On Thu 2024-04-04 16:29:11, Luigi311 wrote:
> On 4/3/24 12:48, Pavel Machek wrote:
> > Hi!
> > 
> >> The sensor supports the clock lane either remaining in HS mode
> >> during frame blanking, or dropping to LP11.
> >>
> >> Add configuration of the mode via V4L2_MBUS_CSI2_NONCONTINUOUS_CLOCK.
> > 
> >> +	ret = imx258_write_reg(imx258, IMX258_CLK_BLANK_STOP,
> >> +			       IMX258_REG_VALUE_08BIT,
> >> +			       imx258->csi2_flags & V4L2_MBUS_CSI2_NONCONTINUOUS_CLOCK ?
> >> +			       1 : 0);
> > 
> > !! can be used to turn value into 1/0. I find it easier to read than ?
> > 1 : 0  combination, but possibly that's fine, too.
> > 
> > Best regards,
> > 								Pavel
> > 
> 
> I assume you mean by using 
> 
> !!(imx258->csi2_flags & V4L2_MBUS_CSI2_NONCONTINUOUS_CLOCK)
> 
> I can go ahead and use that instead

Yes, I'd do that.

Best regards,
								Pavel
-- 
People of Russia, stop Putin before his war on Ukraine escalates.

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