From patchwork Thu Apr 23 15:55:21 2020 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Dan Murphy X-Patchwork-Id: 209098 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-9.9 required=3.0 tests=DKIMWL_WL_HIGH, DKIM_SIGNED, DKIM_VALID, DKIM_VALID_AU, HEADER_FROM_DIFFERENT_DOMAINS, INCLUDES_PATCH, MAILING_LIST_MULTI, SIGNED_OFF_BY, SPF_HELO_NONE, SPF_PASS, USER_AGENT_GIT autolearn=ham autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id C0B50C54FCB for ; Thu, 23 Apr 2020 16:02:35 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 9429C20776 for ; Thu, 23 Apr 2020 16:02:35 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (1024-bit key) header.d=ti.com header.i=@ti.com header.b="slLxodUY" Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1729557AbgDWQCf (ORCPT ); Thu, 23 Apr 2020 12:02:35 -0400 Received: from fllv0016.ext.ti.com ([198.47.19.142]:51222 "EHLO fllv0016.ext.ti.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1729556AbgDWQCd (ORCPT ); Thu, 23 Apr 2020 12:02:33 -0400 Received: from fllv0035.itg.ti.com ([10.64.41.0]) by fllv0016.ext.ti.com (8.15.2/8.15.2) with ESMTP id 03NG2Ter027958; Thu, 23 Apr 2020 11:02:29 -0500 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=ti.com; s=ti-com-17Q1; t=1587657749; bh=AkNzSOM+cfzfMgPFZCofsyuNFkmoUeBEW5VcELdPpsA=; h=From:To:CC:Subject:Date:In-Reply-To:References; b=slLxodUYSXabONVAmlr9d0tqeNremRr1tWqDR+DPVEIGJv+g0gcnoNJ4kgtv8peD2 Th+iO7Y/hW4JIurxC0sM+aWlVylyTqZXQeiVYyfNj5E3+BrktSCeP5t4jb3rjmuUpv An3TUsSD93a+yNr8P+dCLOrN6GYcJuW2zGXWFYdw= Received: from DFLE108.ent.ti.com (dfle108.ent.ti.com [10.64.6.29]) by fllv0035.itg.ti.com (8.15.2/8.15.2) with ESMTP id 03NG2TDp050519; Thu, 23 Apr 2020 11:02:29 -0500 Received: from DFLE114.ent.ti.com (10.64.6.35) by DFLE108.ent.ti.com (10.64.6.29) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_128_CBC_SHA256_P256) id 15.1.1979.3; Thu, 23 Apr 2020 11:02:29 -0500 Received: from lelv0327.itg.ti.com (10.180.67.183) by DFLE114.ent.ti.com (10.64.6.35) 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; Thu, 23 Apr 2020 11:02:29 -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 03NG2STA065037; Thu, 23 Apr 2020 11:02:28 -0500 From: Dan Murphy To: , CC: , , Dan Murphy Subject: [PATCH v20 14/17] leds: lp5521: Add multicolor framework multicolor brightness support Date: Thu, 23 Apr 2020 10:55:21 -0500 Message-ID: <20200423155524.13971-15-dmurphy@ti.com> X-Mailer: git-send-email 2.25.1 In-Reply-To: <20200423155524.13971-1-dmurphy@ti.com> References: <20200423155524.13971-1-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 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(+) diff --git a/drivers/leds/leds-lp5521.c b/drivers/leds/leds-lp5521.c index 6ff81d6be789..26498d5d3bb3 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.multicolor_info[i].color_channel, + led->mc_cdev.multicolor_info[i].color_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,