From patchwork Wed Jun 17 15:09:22 2020 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Dan Murphy X-Patchwork-Id: 190876 Delivered-To: patch@linaro.org Received: by 2002:a92:cf06:0:0:0:0:0 with SMTP id c6csp538998ilo; Wed, 17 Jun 2020 08:10:36 -0700 (PDT) X-Google-Smtp-Source: ABdhPJxUxA65mW/qIifX6AiQlwnO1nifgh1WRWAwQvPJObYrqOP/zn9Qw+/d7oZOO1FccgqMZZtz X-Received: by 2002:a50:8467:: with SMTP id 94mr7587567edp.249.1592406635992; Wed, 17 Jun 2020 08:10:35 -0700 (PDT) ARC-Seal: i=1; a=rsa-sha256; t=1592406635; cv=none; d=google.com; s=arc-20160816; b=HyKW2ct2nM8oVj5WvqI9Tq3zwGZBIq7z7lsuNj6NuM4bS8JQ2vV2SLfwZ0FWDIXOwM jTC8u5RJ8VDE/k2qvBLhzMlaE7DwvV67IO0KF9kuXlZaXVWiBXqtwTSaHwX09ZCu18dq TK7sLyv6fOsEYbSyzmBuDazop1mJraFFB95JklXE2vgiEDUIJqfIW9UqKOcrtQ3mnbPw 8RJiWVCGATRMRzZKcP8SiJFJUCRpMm2TA9jyZbWIgChd5BAaFE4rHL62AOE2jwuzAixL QMz3SHwJLIWtivGzjRBm+o2LYh6j0zFRyKcNN8NPAaTQgXpnWXcs8UfzxyXlVLOVMdjM 3TBg== ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=google.com; s=arc-20160816; h=list-id:precedence:sender:content-transfer-encoding:mime-version :references:in-reply-to:message-id:date:subject:cc:to:from :dkim-signature; bh=lMIaogbEfi0+ny6Ex1XJobeenrR+G5V3/yTQPvhRgXI=; b=I4Z5OmVBzEQKOA7acuk2ezudXzch3Yxtwtx8S/TKznFrOqFSyr21AbTNzJ1UbRbddk WUTviUEUG1s4i45SklSMzknztTUpZbTaaBke0Vs+0DXEwdHeigSkASTvLkCutoyNJPrS gUjSejyL2O2UcM6do3nNMNTEfftuPEoZ639rbVtyGqMUBLDOi7t95+QZyOfSSNk3cIMm nKylPcKWWyLXg5OTdkwlsXJVhjUIDgQbyNSFNPsFcoc3nf/yiOm/wK7rTajfbHReSmm5 ft8CEEkzfl0q0QJgw06wvzptdJpOyF3dUFjgOj3vpbZgCIqfCIGXZ+GumQ4TxmQquM64 p4SA== ARC-Authentication-Results: i=1; mx.google.com; dkim=pass header.i=@ti.com header.s=ti-com-17Q1 header.b=BRAsVLqV; spf=pass (google.com: domain of devicetree-owner@vger.kernel.org designates 23.128.96.18 as permitted sender) smtp.mailfrom=devicetree-owner@vger.kernel.org; dmarc=pass (p=QUARANTINE sp=NONE dis=NONE) header.from=ti.com Return-Path: Received: from vger.kernel.org (vger.kernel.org. [23.128.96.18]) by mx.google.com with ESMTP id c10si208598edj.163.2020.06.17.08.10.35; Wed, 17 Jun 2020 08:10:35 -0700 (PDT) Received-SPF: pass (google.com: domain of devicetree-owner@vger.kernel.org designates 23.128.96.18 as permitted sender) client-ip=23.128.96.18; Authentication-Results: mx.google.com; dkim=pass header.i=@ti.com header.s=ti-com-17Q1 header.b=BRAsVLqV; spf=pass (google.com: domain of devicetree-owner@vger.kernel.org designates 23.128.96.18 as permitted sender) smtp.mailfrom=devicetree-owner@vger.kernel.org; dmarc=pass (p=QUARANTINE sp=NONE dis=NONE) header.from=ti.com Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1727775AbgFQPKe (ORCPT + 6 others); Wed, 17 Jun 2020 11:10:34 -0400 Received: from fllv0015.ext.ti.com ([198.47.19.141]:32904 "EHLO fllv0015.ext.ti.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1727097AbgFQPKd (ORCPT ); Wed, 17 Jun 2020 11:10:33 -0400 Received: from lelv0265.itg.ti.com ([10.180.67.224]) by fllv0015.ext.ti.com (8.15.2/8.15.2) with ESMTP id 05HFAT6J117083; Wed, 17 Jun 2020 10:10:29 -0500 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=ti.com; s=ti-com-17Q1; t=1592406629; bh=lMIaogbEfi0+ny6Ex1XJobeenrR+G5V3/yTQPvhRgXI=; h=From:To:CC:Subject:Date:In-Reply-To:References; b=BRAsVLqVAhptVUelnTlV0cbILICQhKyB/go8+/8doCSV0CV4fQJi7zNt/VKip7YWi Nmyg9SSQsShJwjt7cwmFEWDAh0uKdsxwj8qoX+iLYZKm4thSb8bKP3pNrwNv3SMz+A kR8duJv+i5LksU+tHn43IDIukzq4rDuzpB3DNJ2Q= Received: from DFLE112.ent.ti.com (dfle112.ent.ti.com [10.64.6.33]) by lelv0265.itg.ti.com (8.15.2/8.15.2) with ESMTPS id 05HFATmV119104 (version=TLSv1.2 cipher=AES256-GCM-SHA384 bits=256 verify=FAIL); Wed, 17 Jun 2020 10:10:29 -0500 Received: from DFLE102.ent.ti.com (10.64.6.23) by DFLE112.ent.ti.com (10.64.6.33) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_128_CBC_SHA256_P256) id 15.1.1979.3; Wed, 17 Jun 2020 10:10:28 -0500 Received: from lelv0327.itg.ti.com (10.180.67.183) by DFLE102.ent.ti.com (10.64.6.23) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_128_CBC_SHA256_P256) id 15.1.1979.3 via Frontend Transport; Wed, 17 Jun 2020 10:10:28 -0500 Received: from localhost (ileax41-snat.itg.ti.com [10.172.224.153]) by lelv0327.itg.ti.com (8.15.2/8.15.2) with ESMTP id 05HFASJR108741; Wed, 17 Jun 2020 10:10:28 -0500 From: Dan Murphy To: , , CC: , , , Dan Murphy Subject: [PATCH v28 13/15] leds: lp5521: Add multicolor framework multicolor brightness support Date: Wed, 17 Jun 2020 10:09:22 -0500 Message-ID: <20200617150924.12665-14-dmurphy@ti.com> X-Mailer: git-send-email 2.26.2 In-Reply-To: <20200617150924.12665-1-dmurphy@ti.com> References: <20200617150924.12665-1-dmurphy@ti.com> MIME-Version: 1.0 X-EXCLAIMER-MD-CONFIG: e1e8a2fd-e40a-4ac6-ac9b-f7e9cc9ee180 Sender: devicetree-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: devicetree@vger.kernel.org Add the multicolor brightness call back to support the multicolor framework. This function allows setting the brightness across grouped LED channels in a single call. Acked-by: Pavel Machek Acked-by: Jacek Anaszewski Signed-off-by: Dan Murphy --- drivers/leds/Kconfig | 1 + drivers/leds/leds-lp5521.c | 20 ++++++++++++++++++++ 2 files changed, 21 insertions(+) -- 2.26.2 diff --git a/drivers/leds/Kconfig b/drivers/leds/Kconfig index 44d8b2293436..adfa762cb291 100644 --- a/drivers/leds/Kconfig +++ b/drivers/leds/Kconfig @@ -408,6 +408,7 @@ config LEDS_LP55XX_COMMON config LEDS_LP5521 tristate "LED Support for N.S. LP5521 LED driver chip" depends on LEDS_CLASS && I2C + depends on LEDS_CLASS_MULTI_COLOR || !LEDS_CLASS_MULTI_COLOR select LEDS_LP55XX_COMMON help If you say yes here you get support for the National Semiconductor diff --git a/drivers/leds/leds-lp5521.c b/drivers/leds/leds-lp5521.c index 6ff81d6be789..ef8c3bfa8f3c 100644 --- a/drivers/leds/leds-lp5521.c +++ b/drivers/leds/leds-lp5521.c @@ -349,6 +349,25 @@ static int lp5521_run_selftest(struct lp55xx_chip *chip, char *buf) return 0; } +static int lp5521_multicolor_brightness(struct lp55xx_led *led) +{ + struct lp55xx_chip *chip = led->chip; + int ret; + int i; + + mutex_lock(&chip->lock); + for (i = 0; i < led->mc_cdev.num_colors; i++) { + ret = lp55xx_write(chip, + LP5521_REG_LED_PWM_BASE + + led->mc_cdev.subled_info[i].channel, + led->mc_cdev.subled_info[i].brightness); + if (ret) + break; + } + mutex_unlock(&chip->lock); + return ret; +} + static int lp5521_led_brightness(struct lp55xx_led *led) { struct lp55xx_chip *chip = led->chip; @@ -490,6 +509,7 @@ static struct lp55xx_device_config lp5521_cfg = { .max_channel = LP5521_MAX_LEDS, .post_init_device = lp5521_post_init_device, .brightness_fn = lp5521_led_brightness, + .multicolor_brightness_fn = lp5521_multicolor_brightness, .set_led_current = lp5521_set_led_current, .firmware_cb = lp5521_firmware_loaded, .run_engine = lp5521_run_engine,