From patchwork Tue Sep 6 13:49:57 2022 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Andy Shevchenko X-Patchwork-Id: 603687 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by smtp.lore.kernel.org (Postfix) with ESMTP id 11F10ECAAD5 for ; Tue, 6 Sep 2022 14:20:29 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S241387AbiIFOU0 (ORCPT ); Tue, 6 Sep 2022 10:20:26 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:35376 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S241915AbiIFOS7 (ORCPT ); Tue, 6 Sep 2022 10:18:59 -0400 Received: from mga14.intel.com (mga14.intel.com [192.55.52.115]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 7A1832A439; Tue, 6 Sep 2022 06:49:59 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=intel.com; i=@intel.com; q=dns/txt; s=Intel; t=1662472203; x=1694008203; h=from:to:cc:subject:date:message-id:in-reply-to: references:mime-version:content-transfer-encoding; bh=LCJNwKIb2JZh9SO69nCDrOY4AomaNFhl38g2hoPWX0w=; b=H0m2Fc0hxduBkJUR+yfO/rr4D3CMq0Mv+ZeGNBE0Y58SC+8Oa5BHSOYA pM/oyE4z5d2uWC5Mj2cdNHrNuiZUglvwkNQPlzR+sqUBHBsLpW5UjYGIw lOW0oVLGpU+xITQD/zjePitA9gpSMaJ62ZmGNumRKZDlWKKAKc9DwHzxV vpSf0zj+kqiBpeYVrPyyOGUqJNgSqlM8jyBx72vAyRgDI+ozT+jty55HN tuaGmLzAB4ZDB3JpUl03bI1L2rWCMer8p4QnRt+4YCPuYaJvyXmlPBjat 8dlVf3a/JQb0w7dMcz85R7dsRIxD6u6MBvSLCWW0dShnRFlSKHMD22mfN Q==; X-IronPort-AV: E=McAfee;i="6500,9779,10462"; a="296597057" X-IronPort-AV: E=Sophos;i="5.93,294,1654585200"; d="scan'208";a="296597057" Received: from fmsmga002.fm.intel.com ([10.253.24.26]) by fmsmga103.fm.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 06 Sep 2022 06:49:59 -0700 X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="5.93,294,1654585200"; d="scan'208";a="717702899" Received: from black.fi.intel.com ([10.237.72.28]) by fmsmga002.fm.intel.com with ESMTP; 06 Sep 2022 06:49:54 -0700 Received: by black.fi.intel.com (Postfix, from userid 1003) id 7B54750D; Tue, 6 Sep 2022 16:50:10 +0300 (EEST) From: Andy Shevchenko To: Gene Chen , Andy Shevchenko , Andrew Jeffery , linux-leds@vger.kernel.org, linux-arm-kernel@lists.infradead.org, linux-mediatek@lists.infradead.org, linux-kernel@vger.kernel.org, netdev@vger.kernel.org Cc: Pavel Machek , Matthias Brugger , Sean Wang , Kurt Kanzenbach , Andrew Lunn , Vivien Didelot , Florian Fainelli , Vladimir Oltean , "David S. Miller" , Eric Dumazet , Jakub Kicinski , Paolo Abeni , Lee Jones Subject: [PATCH v3 04/11] leds: bcm6328: Get rid of custom led_init_default_state_get() Date: Tue, 6 Sep 2022 16:49:57 +0300 Message-Id: <20220906135004.14885-5-andriy.shevchenko@linux.intel.com> X-Mailer: git-send-email 2.35.1 In-Reply-To: <20220906135004.14885-1-andriy.shevchenko@linux.intel.com> References: <20220906135004.14885-1-andriy.shevchenko@linux.intel.com> MIME-Version: 1.0 Precedence: bulk List-ID: X-Mailing-List: linux-leds@vger.kernel.org LED core provides a helper to parse default state from firmware node. Use it instead of custom implementation. Signed-off-by: Andy Shevchenko --- drivers/leds/leds-bcm6328.c | 49 ++++++++++++++++++------------------- 1 file changed, 24 insertions(+), 25 deletions(-) diff --git a/drivers/leds/leds-bcm6328.c b/drivers/leds/leds-bcm6328.c index 2d4d87957a30..246f1296ab09 100644 --- a/drivers/leds/leds-bcm6328.c +++ b/drivers/leds/leds-bcm6328.c @@ -330,7 +330,9 @@ static int bcm6328_led(struct device *dev, struct device_node *nc, u32 reg, { struct led_init_data init_data = {}; struct bcm6328_led *led; - const char *state; + enum led_default_state state; + unsigned long val, shift; + void __iomem *mode; int rc; led = devm_kzalloc(dev, sizeof(*led), GFP_KERNEL); @@ -346,31 +348,29 @@ static int bcm6328_led(struct device *dev, struct device_node *nc, u32 reg, if (of_property_read_bool(nc, "active-low")) led->active_low = true; - if (!of_property_read_string(nc, "default-state", &state)) { - if (!strcmp(state, "on")) { + init_data.fwnode = of_fwnode_handle(nc); + + state = led_init_default_state_get(init_data.fwnode); + switch (state) { + case LEDS_DEFSTATE_ON: + led->cdev.brightness = LED_FULL; + break; + case LEDS_DEFSTATE_KEEP: + shift = bcm6328_pin2shift(led->pin); + if (shift / 16) + mode = mem + BCM6328_REG_MODE_HI; + else + mode = mem + BCM6328_REG_MODE_LO; + + val = bcm6328_led_read(mode) >> BCM6328_LED_SHIFT(shift % 16); + val &= BCM6328_LED_MODE_MASK; + if ((led->active_low && val == BCM6328_LED_MODE_OFF) || + (!led->active_low && val == BCM6328_LED_MODE_ON)) led->cdev.brightness = LED_FULL; - } else if (!strcmp(state, "keep")) { - void __iomem *mode; - unsigned long val, shift; - - shift = bcm6328_pin2shift(led->pin); - if (shift / 16) - mode = mem + BCM6328_REG_MODE_HI; - else - mode = mem + BCM6328_REG_MODE_LO; - - val = bcm6328_led_read(mode) >> - BCM6328_LED_SHIFT(shift % 16); - val &= BCM6328_LED_MODE_MASK; - if ((led->active_low && val == BCM6328_LED_MODE_OFF) || - (!led->active_low && val == BCM6328_LED_MODE_ON)) - led->cdev.brightness = LED_FULL; - else - led->cdev.brightness = LED_OFF; - } else { + else led->cdev.brightness = LED_OFF; - } - } else { + break; + default: led->cdev.brightness = LED_OFF; } @@ -378,7 +378,6 @@ static int bcm6328_led(struct device *dev, struct device_node *nc, u32 reg, led->cdev.brightness_set = bcm6328_led_set; led->cdev.blink_set = bcm6328_blink_set; - init_data.fwnode = of_fwnode_handle(nc); rc = devm_led_classdev_register_ext(dev, &led->cdev, &init_data); if (rc < 0)