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[209.132.180.67]) by mx.google.com with ESMTP id f19si16643421edb.385.2019.10.16.09.01.27; Wed, 16 Oct 2019 09:01:27 -0700 (PDT) Received-SPF: pass (google.com: best guess record for domain of linux-kernel-owner@vger.kernel.org designates 209.132.180.67 as permitted sender) client-ip=209.132.180.67; Authentication-Results: mx.google.com; dkim=pass header.i=@ti.com header.s=ti-com-17Q1 header.b=bDSe7GXj; spf=pass (google.com: best guess record for domain of linux-kernel-owner@vger.kernel.org designates 209.132.180.67 as permitted sender) smtp.mailfrom=linux-kernel-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 S2393592AbfJPQBY (ORCPT + 26 others); Wed, 16 Oct 2019 12:01:24 -0400 Received: from lelv0143.ext.ti.com ([198.47.23.248]:55618 "EHLO lelv0143.ext.ti.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S2393153AbfJPQAe (ORCPT ); Wed, 16 Oct 2019 12:00:34 -0400 Received: from fllv0034.itg.ti.com ([10.64.40.246]) by lelv0143.ext.ti.com (8.15.2/8.15.2) with ESMTP id x9GG0WvU039222; Wed, 16 Oct 2019 11:00:32 -0500 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=ti.com; s=ti-com-17Q1; t=1571241632; bh=LO8T+oi3M9BHoibd1b2irFGWiv0PLN6OFSHgyKGXrVo=; h=From:To:CC:Subject:Date:In-Reply-To:References; b=bDSe7GXjEnoCl0SmrDVVIEzKk/XwL9dy+5GdCznJdvFltaTUDoeVjuEto9T1o9iDX vooQ23NQiVQ1s8yBt+JPJiD15l5bV10gdqure/C1Iq4Qa6OC6Xyr1IA5RigkTL7N90 dSqbn5K9I+EYij+3v/68nHeLblAysZn/VrEwHDJs= Received: from DLEE113.ent.ti.com (dlee113.ent.ti.com [157.170.170.24]) by fllv0034.itg.ti.com (8.15.2/8.15.2) with ESMTPS id x9GG0Wbw053381 (version=TLSv1.2 cipher=AES256-GCM-SHA384 bits=256 verify=FAIL); Wed, 16 Oct 2019 11:00:32 -0500 Received: from DLEE109.ent.ti.com (157.170.170.41) by DLEE113.ent.ti.com (157.170.170.24) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_128_CBC_SHA256_P256) id 15.1.1713.5; Wed, 16 Oct 2019 11:00:25 -0500 Received: from lelv0326.itg.ti.com (10.180.67.84) by DLEE109.ent.ti.com (157.170.170.41) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_128_CBC_SHA256_P256) id 15.1.1713.5 via Frontend Transport; Wed, 16 Oct 2019 11:00:25 -0500 Received: from localhost (ileax41-snat.itg.ti.com [10.172.224.153]) by lelv0326.itg.ti.com (8.15.2/8.15.2) with ESMTP id x9GG0VbA097003; Wed, 16 Oct 2019 11:00:31 -0500 From: Dan Murphy To: , CC: , , Dan Murphy Subject: [PATCH v13 15/18] leds: lp5521: Add multicolor framework multicolor brightness support Date: Wed, 16 Oct 2019 10:59:51 -0500 Message-ID: <20191016155954.29044-16-dmurphy@ti.com> X-Mailer: git-send-email 2.22.0.214.g8dca754b1e In-Reply-To: <20191016155954.29044-1-dmurphy@ti.com> References: <20191016155954.29044-1-dmurphy@ti.com> MIME-Version: 1.0 X-EXCLAIMER-MD-CONFIG: e1e8a2fd-e40a-4ac6-ac9b-f7e9cc9ee180 Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@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. Signed-off-by: Dan Murphy --- drivers/leds/leds-lp5521.c | 20 ++++++++++++++++++++ 1 file changed, 20 insertions(+) -- 2.22.0.214.g8dca754b1e diff --git a/drivers/leds/leds-lp5521.c b/drivers/leds/leds-lp5521.c index 6f0272249dc8..5785bc04b874 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_leds; i++) { + ret = lp55xx_write(chip, + LP5521_REG_LED_PWM_BASE + + led->color_component[i].output_num, + led->color_component[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,