Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S965230AbbD0Uyw (ORCPT ); Mon, 27 Apr 2015 16:54:52 -0400 Received: from atrey.karlin.mff.cuni.cz ([195.113.26.193]:59758 "EHLO atrey.karlin.mff.cuni.cz" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S965081AbbD0Uys (ORCPT ); Mon, 27 Apr 2015 16:54:48 -0400 Date: Mon, 27 Apr 2015 22:54:41 +0200 From: Pavel Machek To: Stas Sergeev Cc: linux-leds@vger.kernel.org, Linux kernel , Stas Sergeev Subject: Re: [PATCH v2 0/3] leds: blink resolution improvements Message-ID: <20150427205441.GB1301@xo-6d-61-c0.localdomain> References: <553E6CF5.4030601@list.ru> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <553E6CF5.4030601@list.ru> User-Agent: Mutt/1.5.21 (2010-09-15) Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 826 Lines: 22 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 -- (english) http://www.livejournal.com/~pavelmachek (cesky, pictures) http://atrey.karlin.mff.cuni.cz/~pavel/picture/horses/blog.html -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/