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From: Bjorn Andersson <bjorn.andersson@linaro.org>
To: kgunda@codeaurora.org
Cc: Lee Jones <lee.jones@linaro.org>,
	Daniel Thompson <daniel.thompson@linaro.org>,
	Jingoo Han <jingoohan1@gmail.com>,
	Bartlomiej Zolnierkiewicz <b.zolnierkie@samsung.com>,
	dri-devel@lists.freedesktop.org, linux-fbdev@vger.kernel.org,
	linux-kernel@vger.kernel.org, linux-arm-msm@vger.kernel.org,
	linux-leds@vger.kernel.org
Subject: Re: [PATCH V1 4/5] backlight: qcom-wled: Add support for OVP interrupt handling
Date: Tue, 8 May 2018 10:19:36 -0700	[thread overview]
Message-ID: <20180508171936.GK2259@tuxbook-pro> (raw)
In-Reply-To: <3736480b2712e2dd401fed0a635a25d7@codeaurora.org>

On Tue 08 May 05:26 PDT 2018, kgunda@codeaurora.org wrote:

> On 2018-05-07 22:51, Bjorn Andersson wrote:
> > On Thu 03 May 02:57 PDT 2018, Kiran Gunda wrote:
[..]
> > > @@ -220,7 +255,12 @@ static int wled_module_enable(struct wled
> > > *wled, int val)
> > >  				WLED3_CTRL_REG_MOD_EN,
> > >  				WLED3_CTRL_REG_MOD_EN_MASK,
> > >  				WLED3_CTRL_REG_MOD_EN_MASK);
> > > -	return rc;
> > > +	if (rc < 0)
> > > +		return rc;
> > > +
> > > +	schedule_delayed_work(&wled->ovp_work, WLED_SOFT_START_DLY_US);
> > 
> > Do you really want to delay the work on disable?
> > 
> > Wouldn't it be better to use a delay worker for the enablement and in
> > the disable case you cancel the work and just disable_irq() directly
> > here.
> > 
> Sure. Will do it in the next series.
> > But more importantly, if this is only related to auto detection, do you
> > really want to enable/disable the ovp_irq after you have detected the
> > string configuration?
> > 
> Ok. This is used for the genuine OVP detection and for the auto detection as
> well.

What is the expected outcome of detecting an OVP condition, outside auto
detection?

Regards,
Bjorn

  reply	other threads:[~2018-05-08 17:18 UTC|newest]

Thread overview: 31+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2018-05-03  9:57 [PATCH V1 0/5] backlight: qcom-wled: Support for QCOM wled driver Kiran Gunda
2018-05-03  9:57 ` [PATCH V1 1/5] qcom: wled: Rename pm8941-wled.c to qcom-wled.c Kiran Gunda
2018-05-07 15:41   ` Bjorn Andersson
2018-05-10 11:10   ` Pavel Machek
2018-05-03  9:57 ` [PATCH V1 2/5] backlight: qcom-wled: Add support for WLED4 peripheral Kiran Gunda
2018-05-07 16:20   ` Bjorn Andersson
2018-05-08 10:25     ` kgunda
2018-05-08 17:17       ` Bjorn Andersson
2018-05-09  5:15         ` kgunda
2018-05-17  9:47       ` kgunda
2018-05-17 12:31         ` Rob Herring
2018-05-17 15:10           ` kgunda
2018-05-18 12:20             ` Rob Herring
2018-05-14 16:57   ` Pavel Machek
2018-05-15  4:55     ` kgunda
2018-05-03  9:57 ` [PATCH V1 3/5] backlight: qcom-wled: Add support for short circuit handling Kiran Gunda
2018-05-07  8:06   ` Dan Carpenter
2018-05-07  9:08     ` kgunda
2018-05-07 17:06   ` Bjorn Andersson
2018-05-08 10:35     ` kgunda
2018-05-03  9:57 ` [PATCH V1 4/5] backlight: qcom-wled: Add support for OVP interrupt handling Kiran Gunda
2018-05-07 17:21   ` Bjorn Andersson
2018-05-08 12:26     ` kgunda
2018-05-08 17:19       ` Bjorn Andersson [this message]
2018-05-09  5:06         ` kgunda
2018-05-09  6:16           ` kgunda
2018-05-03  9:57 ` [PATCH V1 5/5] backlight: qcom-wled: Add auto string detection logic Kiran Gunda
2018-05-07 18:10   ` Bjorn Andersson
2018-05-09  7:14     ` kgunda
2018-05-14 17:02       ` Bjorn Andersson
2018-05-15  4:50         ` kgunda

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