linux-kernel - Re: [PATCH v2 0/3] leds: blink resolution improvements

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Message-ID: <20150427205441.GB1301@xo-6d-61-c0.localdomain>
Date:	Mon, 27 Apr 2015 22:54:41 +0200
From:	Pavel Machek <pavel@....cz>
To:	Stas Sergeev <stsp@...t.ru>
Cc:	linux-leds@...r.kernel.org,
	Linux kernel <linux-kernel@...r.kernel.org>,
	Stas Sergeev <stsp@...rs.sourceforge.net>
Subject: Re: [PATCH v2 0/3] leds: blink resolution improvements

Hi!

> The following patches improve the precision of led
> timer trigger and add the delay unit control.
> That allows to make PWM brightness control with timer
> trigger.

Are you sure that is good idea? Doing LED pwm with main cpu is quite harsh...

We already have "brightness" for... well... brightness level.

Would it make sense to have an option (Kconfig?) to do PWM using timer on hardware
that does not do hardware PWM?
									Pavel
-- 
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