From: Pavel Machek <pavel@ucw.cz>
To: "xing.zhang" <xing.zhang@mediatek.com>
Cc: Luotao Fu <l.fu@pengutronix.de>,
"; Jacek Anaszewski" <jacek.anaszewski@gmail.com>,
linux-leds@vger.kernel.org
Subject: Re: leds-pwm driver further requirement discussion
Date: Sun, 16 Aug 2020 22:41:18 +0200 [thread overview]
Message-ID: <20200816204118.GA1481@bug> (raw)
In-Reply-To: <1597377070.2687.35.camel@mbjsdccf07>
Hi!
> We have used leds-pwm driver to control led in some mediatek IC, but
> we have some further requirement, and want to add some common functions
> for this driver, could you give us some suggestions?
> For dts, we want to add led-bits and trans-bits, led-bits represents
> the led bits(8->255, 10->1023) from user space, trans-bits represents
> the led hardware IC bits.
First, please make sure there is no existing functionality that can be used. If not, please
use something like "max brightness", not bits.
> For function, we want to add led event notify, one event is for led
> brightness change, the other one is for led shutdown.
> We also want to add setMaxBrightness function and setLedBrightness
> function for other module to call.
Umm. No?
Best regards,
Pavel
--
(english) http://www.livejournal.com/~pavelmachek
(cesky, pictures) http://atrey.karlin.mff.cuni.cz/~pavel/picture/horses/blog.html
parent reply other threads:[~2020-08-16 20:41 UTC|newest]
Thread overview: expand[flat|nested] mbox.gz Atom feed
[parent not found: <1597377070.2687.35.camel@mbjsdccf07>]
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