From patchwork Mon May 25 11:41:37 2015 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Dmitry Baryshkov X-Patchwork-Id: 476143 Return-Path: X-Original-To: incoming@patchwork.ozlabs.org Delivered-To: patchwork-incoming@bilbo.ozlabs.org Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by ozlabs.org (Postfix) with ESMTP id C08D7140295 for ; Mon, 25 May 2015 21:42:22 +1000 (AEST) Authentication-Results: ozlabs.org; dkim=fail reason="signature verification failed" (2048-bit key; unprotected) header.d=gmail.com header.i=@gmail.com header.b=Kb+2xvaW; dkim-atps=neutral Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1752374AbbEYLmW (ORCPT ); Mon, 25 May 2015 07:42:22 -0400 Received: from mail-lb0-f174.google.com ([209.85.217.174]:36372 "EHLO mail-lb0-f174.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751910AbbEYLmV (ORCPT ); Mon, 25 May 2015 07:42:21 -0400 Received: by lbbqq2 with SMTP id qq2so50055821lbb.3; Mon, 25 May 2015 04:42:19 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20120113; h=from:to:cc:subject:date:message-id:in-reply-to:references; bh=RAMZrG93CmNRF8s8+2UAG9wegIifDWavJbjV5ddwvBo=; b=Kb+2xvaW1UhVojriKGG1qBvn0MmfJ25WEg5aNn+6kisTab/vxNVgdO43PIuUjtH3ez htNoQ994rypCiI+Djq+NmqKzQkVe+Jmrdf7Y55BlHk7jSyDO0p2kTDnWlKVZeKnf+JQ+ BSNv/+oyTWwwMjkII4FWEaNxfef8tpqPveOzStrH60RWpfLYCvu2N4JeWgCCvp1RvXYF igdfJ75iw000hHy3A8dFdgxdGDFBwwV7btLT1LLXORB10H9lnII7EQ7EgapSKGL8sPYK 6uXQbSZo+JDRPar77rQXsJd+HvjEvuVAvAsmHiJI/sMqsxLY0gLlplPH9KAEwsRoLrZq VpBA== X-Received: by 10.112.166.37 with SMTP id zd5mr17550520lbb.75.1432554139208; Mon, 25 May 2015 04:42:19 -0700 (PDT) Received: from anuminas.rup.mentorg.com (ppp89-110-13-209.pppoe.avangarddsl.ru. [89.110.13.209]) by mx.google.com with ESMTPSA id si3sm2315895lbb.32.2015.05.25.04.42.16 (version=TLSv1.2 cipher=ECDHE-RSA-AES128-SHA bits=128/128); Mon, 25 May 2015 04:42:18 -0700 (PDT) From: Dmitry Eremin-Solenikov To: Russell King , Daniel Mack , Robert Jarzmik , Linus Walleij , Alexandre Courbot , Dmitry Torokhov , Samuel Ortiz , Lee Jones , Mark Brown , Jingoo Han , Liam Girdwood , Andrea Adami Cc: linux-arm-kernel@lists.infradead.org, linux-gpio@vger.kernel.org, linux-input@vger.kernel.org, linux-spi@vger.kernel.org, alsa-devel@alsa-project.org Subject: [PATCH v4 02/18] leds: port locomo leds driver to new locomo core Date: Mon, 25 May 2015 14:41:37 +0300 Message-Id: <1432554113-26280-3-git-send-email-dbaryshkov@gmail.com> X-Mailer: git-send-email 2.1.4 In-Reply-To: <1432554113-26280-1-git-send-email-dbaryshkov@gmail.com> References: <1432554113-26280-1-git-send-email-dbaryshkov@gmail.com> Sender: linux-gpio-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-gpio@vger.kernel.org Adapt locomo leds driver to new locomo core setup. Signed-off-by: Dmitry Eremin-Solenikov Acked-by: Jacek Anaszewski --- drivers/leds/Kconfig | 2 +- drivers/leds/leds-locomo.c | 117 +++++++++++++++++++++++---------------------- 2 files changed, 61 insertions(+), 58 deletions(-) diff --git a/drivers/leds/Kconfig b/drivers/leds/Kconfig index 966b960..d086aac 100644 --- a/drivers/leds/Kconfig +++ b/drivers/leds/Kconfig @@ -79,7 +79,7 @@ config LEDS_LM3642 config LEDS_LOCOMO tristate "LED Support for Locomo device" depends on LEDS_CLASS - depends on SHARP_LOCOMO + depends on MFD_LOCOMO help This option enables support for the LEDs on Sharp Locomo. Zaurus models SL-5500 and SL-5600. diff --git a/drivers/leds/leds-locomo.c b/drivers/leds/leds-locomo.c index 80ba048..a4286e9 100644 --- a/drivers/leds/leds-locomo.c +++ b/drivers/leds/leds-locomo.c @@ -9,89 +9,92 @@ */ #include -#include -#include -#include #include +#include +#include +#include +#include -#include -#include +struct locomo_led { + struct led_classdev led; + struct regmap *regmap; + unsigned int reg; +}; static void locomoled_brightness_set(struct led_classdev *led_cdev, - enum led_brightness value, int offset) -{ - struct locomo_dev *locomo_dev = LOCOMO_DEV(led_cdev->dev->parent); - unsigned long flags; - - local_irq_save(flags); - if (value) - locomo_writel(LOCOMO_LPT_TOFH, locomo_dev->mapbase + offset); - else - locomo_writel(LOCOMO_LPT_TOFL, locomo_dev->mapbase + offset); - local_irq_restore(flags); -} - -static void locomoled_brightness_set0(struct led_classdev *led_cdev, enum led_brightness value) { - locomoled_brightness_set(led_cdev, value, LOCOMO_LPT0); + struct locomo_led *led = container_of(led_cdev, struct locomo_led, led); + + regmap_write(led->regmap, led->reg, + value ? LOCOMO_LPT_TOFH : LOCOMO_LPT_TOFL); } -static void locomoled_brightness_set1(struct led_classdev *led_cdev, - enum led_brightness value) +static int locomo_led_register( + struct device *dev, + struct locomo_led *led, + const char *name, + const char *trigger, + struct regmap *regmap, + unsigned int reg) { - locomoled_brightness_set(led_cdev, value, LOCOMO_LPT1); + led->led.name = name; + led->led.flags = LED_CORE_SUSPENDRESUME; + led->led.default_trigger = trigger; + led->led.brightness_set = locomoled_brightness_set; + led->regmap = regmap; + led->reg = reg; + + return devm_led_classdev_register(dev, &led->led); } -static struct led_classdev locomo_led0 = { - .name = "locomo:amber:charge", - .default_trigger = "main-battery-charging", - .brightness_set = locomoled_brightness_set0, -}; - -static struct led_classdev locomo_led1 = { - .name = "locomo:green:mail", - .default_trigger = "nand-disk", - .brightness_set = locomoled_brightness_set1, -}; - -static int locomoled_probe(struct locomo_dev *ldev) +static int locomoled_probe(struct platform_device *pdev) { int ret; - - ret = led_classdev_register(&ldev->dev, &locomo_led0); + struct locomo_led *leds; + struct regmap *regmap; + + leds = devm_kzalloc(&pdev->dev, 2 * sizeof(*leds), GFP_KERNEL); + if (!leds) + return -ENOMEM; + + regmap = dev_get_regmap(pdev->dev.parent, NULL); + if (!regmap) + return -ENODEV; + + ret = locomo_led_register( + &pdev->dev, + leds, + "locomo:amber:charge", + "main-battery-charging", + regmap, + LOCOMO_LPT0); if (ret < 0) return ret; - ret = led_classdev_register(&ldev->dev, &locomo_led1); + ret = locomo_led_register( + &pdev->dev, + leds + 1, + "locomo:green:mail", + "mmc0", + regmap, + LOCOMO_LPT1); if (ret < 0) - led_classdev_unregister(&locomo_led0); - - return ret; -} + return ret; -static int locomoled_remove(struct locomo_dev *dev) -{ - led_classdev_unregister(&locomo_led0); - led_classdev_unregister(&locomo_led1); return 0; } -static struct locomo_driver locomoled_driver = { - .drv = { - .name = "locomoled" +static struct platform_driver locomoled_driver = { + .driver = { + .name = "locomo-led" }, - .devid = LOCOMO_DEVID_LED, .probe = locomoled_probe, - .remove = locomoled_remove, }; -static int __init locomoled_init(void) -{ - return locomo_driver_register(&locomoled_driver); -} -module_init(locomoled_init); +module_platform_driver(locomoled_driver); MODULE_AUTHOR("John Lenz "); MODULE_DESCRIPTION("Locomo LED driver"); MODULE_LICENSE("GPL"); +MODULE_ALIAS("platform:locomo-led");