linux-kernel - Re: [PATCH v3 1/2] leds: core: Introduce generic pattern interface

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Message-ID: <20180727083605.GA20233@amd>
Date:   Fri, 27 Jul 2018 10:36:05 +0200
From:   Pavel Machek <pavel@....cz>
To:     Baolin Wang <baolin.wang@...aro.org>
Cc:     Jacek Anaszewski <jacek.anaszewski@...il.com>,
        David Lechner <david@...hnology.com>,
        Bjorn Andersson <bjorn.andersson@...aro.org>,
        Mark Brown <broonie@...nel.org>,
        Linux LED Subsystem <linux-leds@...r.kernel.org>,
        LKML <linux-kernel@...r.kernel.org>
Subject: Re: [PATCH v3 1/2] leds: core: Introduce generic pattern interface

Hi!

> > This should be a bit better. I attempted to compile it with your
> > driver, but whether it works is an open question.
> 
> Sorry for late reply. I've compiled and tested this version on my
> platform, the hardware pattern can work with one small fix as below.
> 
>  if (led_cdev->pattern_set && !led_cdev->pattern_set(led_cdev,
> data->steps, data->nsteps)) {
>         return;
>  }
> 
> But I saw there are lots coding style issues and something can be
> improved in this patch, so will you send out one clean patch (I will
> help to test the hardware pattern support)? Or I can help to improve
> this code and try to upstream it again?

If you could do the upstreaming, that would be great.

I tried to get hardware accelerated LED to work on N900, but that
hardware is rather complex, so it would take me some time...

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

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