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[23.128.96.18]) by mx.google.com with ESMTP id du7si118386ejc.341.2020.06.17.08.11.00; Wed, 17 Jun 2020 08:11:00 -0700 (PDT) Received-SPF: pass (google.com: domain of linux-leds-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=Mjuj0dqF; spf=pass (google.com: domain of linux-leds-owner@vger.kernel.org designates 23.128.96.18 as permitted sender) smtp.mailfrom=linux-leds-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 S1727771AbgFQPKe (ORCPT + 1 other); Wed, 17 Jun 2020 11:10:34 -0400 Received: from fllv0015.ext.ti.com ([198.47.19.141]:32896 "EHLO fllv0015.ext.ti.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1727121AbgFQPKc (ORCPT ); Wed, 17 Jun 2020 11:10:32 -0400 Received: from fllv0035.itg.ti.com ([10.64.41.0]) by fllv0015.ext.ti.com (8.15.2/8.15.2) with ESMTP id 05HFATQ5117079; 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=+LYKN1Pq2F/LuV9iJvrrRWifuR4y4GQ5OVW8WFHqYck=; h=From:To:CC:Subject:Date:In-Reply-To:References; b=Mjuj0dqFIBqtUp92BS3SjGGdaO2dJfiE0413B+rz3zXaST7hJaaN0jPDV6hB28ipd 2f/YmXUUAd+plQvUh9UMHTPNyvPYa6IOo45RatBpQ/cc2iMUMI/jkRM6lTdLoldU/5 H75CL6C8nP2codtVew8FsX/ABwQdjDo/94uMSXwU= Received: from DLEE112.ent.ti.com (dlee112.ent.ti.com [157.170.170.23]) by fllv0035.itg.ti.com (8.15.2/8.15.2) with ESMTP id 05HFATOj112797; Wed, 17 Jun 2020 10:10:29 -0500 Received: from DLEE112.ent.ti.com (157.170.170.23) by DLEE112.ent.ti.com (157.170.170.23) 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 fllv0039.itg.ti.com (10.64.41.19) by DLEE112.ent.ti.com (157.170.170.23) 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 fllv0039.itg.ti.com (8.15.2/8.15.2) with ESMTP id 05HFASCi042118; Wed, 17 Jun 2020 10:10:28 -0500 From: Dan Murphy To: , , CC: , , , Dan Murphy Subject: [PATCH v28 12/15] leds: lp5523: Update the lp5523 code to add multicolor brightness function Date: Wed, 17 Jun 2020 10:09:21 -0500 Message-ID: <20200617150924.12665-13-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: linux-leds-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-leds@vger.kernel.org Add the multicolor brightness call back to support the multicolor framework. This call back allows setting brightness on grouped channels in a single function. Acked-by: Pavel Machek Acked-by: Jacek Anaszewski Signed-off-by: Dan Murphy --- drivers/leds/Kconfig | 1 + drivers/leds/leds-lp5523.c | 20 ++++++++++++++++++++ 2 files changed, 21 insertions(+) -- 2.26.2 diff --git a/drivers/leds/Kconfig b/drivers/leds/Kconfig index 04e0cb39f92e..44d8b2293436 100644 --- a/drivers/leds/Kconfig +++ b/drivers/leds/Kconfig @@ -418,6 +418,7 @@ config LEDS_LP5521 config LEDS_LP5523 tristate "LED Support for TI/National LP5523/55231 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 TI/National Semiconductor diff --git a/drivers/leds/leds-lp5523.c b/drivers/leds/leds-lp5523.c index b076c16df9ab..9776dc72a764 100644 --- a/drivers/leds/leds-lp5523.c +++ b/drivers/leds/leds-lp5523.c @@ -791,6 +791,25 @@ static ssize_t store_master_fader_leds(struct device *dev, return ret; } +static int lp5523_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, + LP5523_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 lp5523_led_brightness(struct lp55xx_led *led) { struct lp55xx_chip *chip = led->chip; @@ -857,6 +876,7 @@ static struct lp55xx_device_config lp5523_cfg = { .max_channel = LP5523_MAX_LEDS, .post_init_device = lp5523_post_init_device, .brightness_fn = lp5523_led_brightness, + .multicolor_brightness_fn = lp5523_multicolor_brightness, .set_led_current = lp5523_set_led_current, .firmware_cb = lp5523_firmware_loaded, .run_engine = lp5523_run_engine,