From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-0.8 required=3.0 tests=DKIMWL_WL_HIGH,DKIM_SIGNED, DKIM_VALID,HEADER_FROM_DIFFERENT_DOMAINS,MAILING_LIST_MULTI,SPF_HELO_NONE, SPF_PASS autolearn=no autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id B733EC43331 for ; Tue, 24 Mar 2020 17:01:24 +0000 (UTC) Received: from bombadil.infradead.org (bombadil.infradead.org [198.137.202.133]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mail.kernel.org (Postfix) with ESMTPS id 878142076F for ; Tue, 24 Mar 2020 17:01:24 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (2048-bit key) header.d=lists.infradead.org header.i=@lists.infradead.org header.b="hvesrdwg" DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org 878142076F Authentication-Results: mail.kernel.org; dmarc=none (p=none dis=none) header.from=atomide.com Authentication-Results: mail.kernel.org; spf=none smtp.mailfrom=linux-arm-kernel-bounces+infradead-linux-arm-kernel=archiver.kernel.org@lists.infradead.org DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=lists.infradead.org; s=bombadil.20170209; h=Sender: Content-Transfer-Encoding:Content-Type:Cc:List-Subscribe:List-Help:List-Post: List-Archive:List-Unsubscribe:List-Id:In-Reply-To:MIME-Version:References: Message-ID:Subject:To:From:Date:Reply-To:Content-ID:Content-Description: Resent-Date:Resent-From:Resent-Sender:Resent-To:Resent-Cc:Resent-Message-ID: List-Owner; bh=9AF4bp7uOQDvaOXbqoLVuPcuQeH+e1KfUcP63VH9+b4=; b=hvesrdwgWtNxqa HQgdENq6H4irbIixTwskW5spkq8RTemfACcD3TnFwZKPFsbxkJBs0iyNdLNg01VdIfL5c/vLf3fxU llH4V0NQA216HfxaJn9EZJhE0wGCnH1jK5/mSBlKyU31WdEEttHDt4KfS+JMzsV70YodjJqYej+Eq sikQ2cEYeXOSOU13JfrAWyo7FRWhrdAYU+FJZiqikEVYzmnlwaVijQ+myr0cTgTsNgqeFZ7NarF6v akPQOCB+HUCwJyW+qRfmalcT7m3hASdzytccYzmKHoUsBCPMj4drsdBasXDE1qGPvubiaz8VU3HCl itxDRf7cn4x2+o8mpMKA==; Received: from localhost ([127.0.0.1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.92.3 #3 (Red Hat Linux)) id 1jGmvb-0003wp-TX; Tue, 24 Mar 2020 17:01:23 +0000 Received: from muru.com ([72.249.23.125]) by bombadil.infradead.org with esmtp (Exim 4.92.3 #3 (Red Hat Linux)) id 1jGmvY-0003vu-1i for linux-arm-kernel@lists.infradead.org; Tue, 24 Mar 2020 17:01:21 +0000 Received: from atomide.com (localhost [127.0.0.1]) by muru.com (Postfix) with ESMTPS id CE63E81CA; Tue, 24 Mar 2020 17:02:00 +0000 (UTC) Date: Tue, 24 Mar 2020 10:01:10 -0700 From: Tony Lindgren To: Pavel Machek Subject: Re: Droid 4 in -next -- still no backlight was Re: [PATCH 1/4] tty: n_gsm: Add support for serdev drivers Message-ID: <20200324170110.GB37466@atomide.com> References: <20200319173755.65082-1-tony@atomide.com> <20200319173755.65082-2-tony@atomide.com> <20200322224230.GB28082@amd> MIME-Version: 1.0 Content-Disposition: inline In-Reply-To: <20200322224230.GB28082@amd> X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20200324_100120_617163_F6D1C923 X-CRM114-Status: GOOD ( 13.52 ) X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: devicetree@vger.kernel.org, mpartap@gmx.net, merlijn@wizzup.org, martin_rysavy@centrum.cz, kernel list , sre@kernel.org, nekit1000@gmail.com, Laurent Pinchart , linux-serial@vger.kernel.org, linux-omap@vger.kernel.org, linux-arm-kernel , Peter Hurley Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+infradead-linux-arm-kernel=archiver.kernel.org@lists.infradead.org * Pavel Machek [200322 22:43]: > Hi! > > > We can make use of serdev drivers to do simple device drivers for > > TS 27.010 chanels, and we can handle vendor specific protocols on top > > of TS 27.010 with serdev drivers. > > I took all three series ( > > [PATCHv3 0/3] Lost key-up interrupt handling for omap4-keypa > [PATCH 1/3] Input: atmel_mxt_ts - use runtime PM instead of > [PATCHv5 0/4] n_gsm serdev support and protocol driver for d > > ) and applied them on top of next-20200320. > > Good news is that result boots. (So I did partial testing of the patches). > > Bad news is that I still don't have working backlight. I do have LED > and there's backlight device connected to the LED, so I can't control > the LED directly, but the screen is black (and I don't see boot > messages either). > > Before I start debugging, does screen work for you in -next, or do you > have some fixes I could try? Yes the backlight works for me now just fine with current v5.6-rc. But yeah, looks like LCD is again broken in current Linux next, maybe Laurent and Sebastian have some clues? Regards, Tony _______________________________________________ linux-arm-kernel mailing list linux-arm-kernel@lists.infradead.org http://lists.infradead.org/mailman/listinfo/linux-arm-kernel