From patchwork Fri Sep 18 01:21:10 2015 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Petr Cvek X-Patchwork-Id: 7212281 Return-Path: X-Original-To: patchwork-linux-arm@patchwork.kernel.org Delivered-To: patchwork-parsemail@patchwork1.web.kernel.org Received: from mail.kernel.org (mail.kernel.org [198.145.29.136]) by patchwork1.web.kernel.org (Postfix) with ESMTP id E2E7D9F32B for ; Fri, 18 Sep 2015 01:22:56 +0000 (UTC) Received: from mail.kernel.org (localhost [127.0.0.1]) by mail.kernel.org (Postfix) with ESMTP id 189682071E for ; Fri, 18 Sep 2015 01:22:56 +0000 (UTC) Received: from bombadil.infradead.org (bombadil.infradead.org [198.137.202.9]) (using TLSv1.2 with cipher AES128-GCM-SHA256 (128/128 bits)) (No client certificate requested) by mail.kernel.org (Postfix) with ESMTPS id 4108920710 for ; Fri, 18 Sep 2015 01:22:55 +0000 (UTC) Received: from localhost ([127.0.0.1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.80.1 #2 (Red Hat Linux)) id 1ZckMi-0004XA-Jt; Fri, 18 Sep 2015 01:21:28 +0000 Received: from bubo.tul.cz ([2001:718:1c01:16::aa]) by bombadil.infradead.org with esmtp (Exim 4.80.1 #2 (Red Hat Linux)) id 1ZckMf-00048M-2X for linux-arm-kernel@lists.infradead.org; Fri, 18 Sep 2015 01:21:26 +0000 Received: from [78.80.185.17] (78-80-185-17.tmcz.cz [78.80.185.17]) (using TLSv1 with cipher DHE-RSA-AES128-SHA (128/128 bits)) (No client certificate requested) by bubo.tul.cz (Postfix) with ESMTPSA id 42B2D1F0004; Fri, 18 Sep 2015 03:20:52 +0200 (CEST) From: Petr Cvek Subject: [PATCH v3 25/26] ARM: pxa: magician: Add missing regulator for PWM backlight To: robert.jarzmik@free.fr, philipp.zabel@gmail.com, daniel@zonque.org, haojian.zhuang@gmail.com, linux@arm.linux.org.uk References: Message-ID: <55FB6706.5030700@tul.cz> Date: Fri, 18 Sep 2015 03:21:10 +0200 User-Agent: Mozilla/5.0 (X11; Linux i686; rv:38.0) Gecko/20100101 Thunderbird/38.2.0 MIME-Version: 1.0 In-Reply-To: X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20150917_182125_550003_0912624C X-CRM114-Status: GOOD ( 10.57 ) X-Spam-Score: -2.6 (--) X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.20 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: linux-kernel@vger.kernel.org, linux-arm-kernel@lists.infradead.org Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+patchwork-linux-arm=patchwork.kernel.org@lists.infradead.org X-Spam-Status: No, score=-4.2 required=5.0 tests=BAYES_00, RCVD_IN_DNSWL_MED, T_RP_MATCHES_RCVD, UNPARSEABLE_RELAY autolearn=unavailable version=3.3.1 X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on mail.kernel.org X-Virus-Scanned: ClamAV using ClamSMTP Add a fake regulator, which is required for the correct initialization of the PWM backlight driver. Signed-off-by: Petr Cvek --- arch/arm/mach-pxa/magician.c | 12 ++++++++++++ 1 file changed, 12 insertions(+) diff --git a/arch/arm/mach-pxa/magician.c b/arch/arm/mach-pxa/magician.c index 67969b1..c43e587 100644 --- a/arch/arm/mach-pxa/magician.c +++ b/arch/arm/mach-pxa/magician.c @@ -425,6 +425,15 @@ static struct pxafb_mach_info samsung_info = { * Backlight */ + /* + * fixed regulator for pwm_backlight + */ + +static struct regulator_consumer_supply pwm_backlight_supply[] = { + REGULATOR_SUPPLY("power", "pwm_backlight"), +}; + + static struct gpio magician_bl_gpios[] = { { EGPIO_MAGICIAN_BL_POWER, GPIOF_DIR_OUT, "Backlight power" }, { EGPIO_MAGICIAN_BL_POWER2, GPIOF_DIR_OUT, "Backlight power 2" }, @@ -1125,6 +1134,9 @@ static void __init magician_init(void) spi_register_board_info(ARRAY_AND_SIZE(ads7846_spi_board_info)); pxa_set_camera_info(&magician_pxacamera_pdata); + + regulator_register_always_on(0, "power", pwm_backlight_supply, + ARRAY_SIZE(pwm_backlight_supply), 5000000); } MACHINE_START(MAGICIAN, "HTC Magician")