From patchwork Mon Jun 22 18:59:17 2020 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Dan Murphy X-Patchwork-Id: 191378 Delivered-To: patch@linaro.org Received: by 2002:a54:3249:0:0:0:0:0 with SMTP id g9csp422740ecs; Mon, 22 Jun 2020 12:00:46 -0700 (PDT) X-Google-Smtp-Source: ABdhPJy4fa+m0LrfCXMrDAcFP8oQqOeJGC/UfL+0Ul/KvOJbizCBOCpZm1uASKAnk1Q0KEsttYU4 X-Received: by 2002:a17:906:4c46:: with SMTP id d6mr16176555ejw.503.1592852446554; Mon, 22 Jun 2020 12:00:46 -0700 (PDT) ARC-Seal: i=1; a=rsa-sha256; t=1592852446; cv=none; d=google.com; s=arc-20160816; b=SXDuudfec7xjXF4N9qoTNRKWg1PMTHwaxNhrSLisuVD+K/KTJC7nlCvnlAQwhqt42m EWcxoUGBtSSm86yW73YgU6CIlVpNqmB5BG8vP6i7ZpqIK/pN3Ur3GN7GCy8VEa7YfkVW imCmT23rzV/dL/3ept0rxRnwGbiXJa1jWkwgwR03YSOTiJfamSAnNtL+6eGHX+obNoX2 CdZcMP8qmLbsV1UmfCaLD949rrnQHSsUJCoqvxY5oq3UGbWknbelwdADhsdF9jKPlEY9 Qx2PFIkLSZCy+x4M6H0qtBjhT2ZdGX07QWeIZ+P+WhpoTEr/Sl4Pj30lKmazBGoWS/5w vmiQ== 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=1pnLlgCCpXJk+Ifu3HoyTG2YvUw4LYz216/DbAtyXyg=; b=WfwUv8OR896wKktt5/yRFOncEhFUsKT9iCnAUIbS9x/0vX6AG8yAb9RjaIzTiuuG3c WXLw42GbjohKEvyjMhcrVZuatIaK58byEdB0i+CFmJOkOPnKTA3MlaTmdz4baVWKHo3j M2RZvNpSu/Q7/wAUAycRnnseq3dqjC7wiJ7/OL48QWuBGJhd0rwm8HQhWx8se5Z3W/bD /67A4YCUX3rcEKX+Qbd3z6nH8z52wOG8b14WmjIXLisOHbDbInrBhhkl/gRLXjy/vnya JLY20lWjxsrYDb/FHjuzchGKuL5MhQnXJ+KtaTEqn/5PpnUXvUOJeeXsY9Zg6w2iLz5V jUaA== ARC-Authentication-Results: i=1; mx.google.com; dkim=pass header.i=@ti.com header.s=ti-com-17Q1 header.b=dLUIP2WF; 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 s9si9607179ejq.422.2020.06.22.12.00.46; Mon, 22 Jun 2020 12:00:46 -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=dLUIP2WF; 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 S1730193AbgFVTAk (ORCPT + 6 others); Mon, 22 Jun 2020 15:00:40 -0400 Received: from fllv0016.ext.ti.com ([198.47.19.142]:60934 "EHLO fllv0016.ext.ti.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1730394AbgFVS7l (ORCPT ); Mon, 22 Jun 2020 14:59:41 -0400 Received: from lelv0266.itg.ti.com ([10.180.67.225]) by fllv0016.ext.ti.com (8.15.2/8.15.2) with ESMTP id 05MIxVKd053521; Mon, 22 Jun 2020 13:59:31 -0500 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=ti.com; s=ti-com-17Q1; t=1592852371; bh=1pnLlgCCpXJk+Ifu3HoyTG2YvUw4LYz216/DbAtyXyg=; h=From:To:CC:Subject:Date:In-Reply-To:References; b=dLUIP2WFAUITk5OtfNBrLA/yeZSpAioJEAmBqwQgAQTKU/4aI3ieAeNN6KCAUwDau zwDYgnmyXgspt8SuRmHOFY20nSx8cqqIRROAcUPkybU1lJv5YgomdUBEoRSZQIOwT8 H4SRCPzRTxIcNbCbFuOxEXqcD6UXyjADEpCEvGaA= Received: from DLEE112.ent.ti.com (dlee112.ent.ti.com [157.170.170.23]) by lelv0266.itg.ti.com (8.15.2/8.15.2) with ESMTPS id 05MIxVJK010421 (version=TLSv1.2 cipher=AES256-GCM-SHA384 bits=256 verify=FAIL); Mon, 22 Jun 2020 13:59:31 -0500 Received: from DLEE101.ent.ti.com (157.170.170.31) 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; Mon, 22 Jun 2020 13:59:31 -0500 Received: from fllv0040.itg.ti.com (10.64.41.20) by DLEE101.ent.ti.com (157.170.170.31) 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; Mon, 22 Jun 2020 13:59:31 -0500 Received: from localhost (ileax41-snat.itg.ti.com [10.172.224.153]) by fllv0040.itg.ti.com (8.15.2/8.15.2) with ESMTP id 05MIxVRq025170; Mon, 22 Jun 2020 13:59:31 -0500 From: Dan Murphy To: , , CC: , , , , Dan Murphy Subject: [PATCH v29 14/16] leds: lp5521: Add multicolor framework multicolor brightness support Date: Mon, 22 Jun 2020 13:59:17 -0500 Message-ID: <20200622185919.2131-15-dmurphy@ti.com> X-Mailer: git-send-email 2.26.2 In-Reply-To: <20200622185919.2131-1-dmurphy@ti.com> References: <20200622185919.2131-1-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/leds-lp5521.c | 20 ++++++++++++++++++++ 1 file changed, 20 insertions(+) -- 2.26.2 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,