linux-kernel - Re: [PATCH v2 1/2] leds: Add Intel Cherry Trail Whiskey Cove PMIC LEDs

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Message-ID: <20190215232600.GA21591@amd>
Date:   Sat, 16 Feb 2019 00:26:00 +0100
From:   Pavel Machek <pavel@....cz>
To:     Jacek Anaszewski <jacek.anaszewski@...il.com>
Cc:     Hans de Goede <hdegoede@...hat.com>,
        Jacek Anaszewski <j.anaszewski@...sung.com>,
        Yauhen Kharuzhy <jekhor@...il.com>,
        linux-kernel@...r.kernel.org, linux-leds@...r.kernel.org
Subject: Re: [PATCH v2 1/2] leds: Add Intel Cherry Trail Whiskey Cove PMIC
 LEDs

On Fri 2019-02-15 22:41:31, Jacek Anaszewski wrote:
> Hi Pavel,
> 
> On 2/14/19 1:28 PM, Pavel Machek wrote:
> >Hi!
> >
> >Jacek, could we get you to comment here? I'd prefer "hardware" trigger...
> 
> What prevents use from using pattern trigger with its hw_pattern file?
> 
> Do you remember drivers/leds/leds-sc27xx-bltc.c and its breathing mode,
> for which pattern trigger was introduced?

Yes, we can do that.

But forget heartbeat and blinking now.

Problem I'm getting at is that this LED can either be software
controlled (showing for example disk activity) or it can show whether
the battery is charging (autonomously, in hardware, will work even
after kernel crash).

									Pavel
-- 
(english) http://www.livejournal.com/~pavelmachek
(cesky, pictures) http://atrey.karlin.mff.cuni.cz/~pavel/picture/horses/blog.html

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