From mboxrd@z Thu Jan 1 00:00:00 1970 From: Heiko =?ISO-8859-1?Q?St=FCbner?= Subject: Re: The PWM is broken at RK3288 Date: Tue, 25 Oct 2016 14:58:11 +0200 Message-ID: <25477004.WQlyuGeDoO@diego> References: Mime-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7Bit Return-path: Received: from gloria.sntech.de ([95.129.55.99]:42973 "EHLO gloria.sntech.de" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S932241AbcJYM6X (ORCPT ); Tue, 25 Oct 2016 08:58:23 -0400 In-Reply-To: Sender: linux-pwm-owner@vger.kernel.org List-Id: linux-pwm@vger.kernel.org To: Randy Li Cc: linux-pwm@vger.kernel.org, thierry.reding@gmail.com, linux-rockchip@lists.infradead.org, "ayaka@soulik.info" , contact@paulk.fr Hi Randy, Am Dienstag, 25. Oktober 2016, 20:47:49 schrieb Randy Li: > Recently, paulk told me that he meet a problem with PWM backlight at > rk3288, I do a test at EVB board a few minutes age, it is true. The > kernel 4.4 would work fine. So the pwm driver at next-20161020 maybe > broken. It is too late, so I have no time to confirm whether the PWM1 > would have the same problem. > I would look into it in the other day and see whether I could do > something for that. just yesterday I booted a 4.9-rc2 on my rk3288-veyron-pinky Chromebook and the display (backlight supplied by the pwm) was still working correctly. I haven't tested any next-kernels yet though, so maybe something broke there. Heiko