From patchwork Thu May 26 03:16:33 2022 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: cy_huang X-Patchwork-Id: 576372 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by smtp.lore.kernel.org (Postfix) with ESMTP id 6EF55C433F5 for ; Thu, 26 May 2022 03:16:47 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S234550AbiEZDQq (ORCPT ); Wed, 25 May 2022 23:16:46 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:53758 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S229811AbiEZDQp (ORCPT ); Wed, 25 May 2022 23:16:45 -0400 Received: from mail-pl1-x62a.google.com (mail-pl1-x62a.google.com [IPv6:2607:f8b0:4864:20::62a]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 47AB8EE3C; Wed, 25 May 2022 20:16:44 -0700 (PDT) Received: by mail-pl1-x62a.google.com with SMTP id d22so376229plr.9; Wed, 25 May 2022 20:16:44 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20210112; h=from:to:cc:subject:date:message-id; bh=f6jLMtJrLguZvRlHX76uP5bxS6yNfg/KmTP+kPMFw2A=; b=NeNH04nEYmKlxRrFKbjU/A5gGFIWu4QfR8rsFuFLIoMj/OrRI/CL7ER+lH9qLFt6v7 ooZ8tD4znoyV6cfroKC0X30K+JpBNll7tDwyoQEOt1T0x31lWIx3QTniGgdXW7dIvOtc b4aaIVHO7NsdfcTDz7PzU/L+pt0XpbvhZgKefdOaQjl+N/0EiOKDACOvqf0WbJ2hsd8J 4w2hNrFaONz10ivo7QxmqlKWabHG9lJ26TdaR4QRjHgfuLuKGy51TlVwRzWEHXe1l3Yn SOYziVzsEMKCg13T/uWvBClWFNplGswFouHdSq9sQdGi607cYz47CyI8t2H7vZtNMnC7 gTWg== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20210112; h=x-gm-message-state:from:to:cc:subject:date:message-id; bh=f6jLMtJrLguZvRlHX76uP5bxS6yNfg/KmTP+kPMFw2A=; b=b6rcC9AyD+wbdUJyly86o70sIoLBKFjVjtqKpryGGBZ9nmr4QzJOoX6Hqq3UySO/3O JtzvtDeWn/XbJFxn4dfTMH2jubhUV3aGDn/fPDk9c6q04yKCseRjxuJY8F0sC4L6HDZV ngOKMup9yrkS6yLzd9ei+BHdW9dzCMBaeO9Y981hSbosxUR+kPTRZtGWA053lfoP/AGk Svk5nOKJhecCSpn9b7lXPqcNiWTBvEs6XETuvRdtrV0jLPOSGpA6r/KZfe9ASSNYTxEc ZmRLG97PX7BQexq6Z2hwHVsgLVEv/BIERLM1DtTN5p12qeFj54fS5lrctzV/hRWlUYkM jDZg== X-Gm-Message-State: AOAM532xvOHA3t5pG2FUPNCTdA415M6nlLuWI3yXZV7E9nD1cQBxJfTk UcMsJrcIqPuW9yf7adG3zYg= X-Google-Smtp-Source: ABdhPJz/ng9MEzMr2C0bCqTgfwmdUaqu1tPBtgobFs5R3bzVReetE9dkkSyLpZEelrkVQ1dPShLBuQ== X-Received: by 2002:a17:903:2309:b0:163:5c82:640e with SMTP id d9-20020a170903230900b001635c82640emr5614243plh.100.1653535003625; Wed, 25 May 2022 20:16:43 -0700 (PDT) Received: from localhost.localdomain ([2402:7500:569:6b12:f420:101e:bfc0:b57c]) by smtp.gmail.com with ESMTPSA id t25-20020aa79479000000b0050dc7628181sm152964pfq.91.2022.05.25.20.16.39 (version=TLS1_2 cipher=ECDHE-ECDSA-AES128-GCM-SHA256 bits=128/128); Wed, 25 May 2022 20:16:43 -0700 (PDT) From: cy_huang To: robh+dt@kernel.org, krzysztof.kozlowski+dt@linaro.org, lee.jones@linaro.org, daniel.thompson@linaro.org, jingoohan1@gmail.com Cc: pavel@ucw.cz, deller@gmx.de, cy_huang@richtek.com, lucas_tsai@richtek.com, devicetree@vger.kernel.org, dri-devel@lists.freedesktop.org, linux-fbdev@vger.kernel.org, linux-leds@vger.kernel.org, linux-kernel@vger.kernel.org Subject: [PATCH 0/2] Add the property to make ocp level selectable Date: Thu, 26 May 2022 11:16:33 +0800 Message-Id: <1653534995-30794-1-git-send-email-u0084500@gmail.com> X-Mailer: git-send-email 2.7.4 Precedence: bulk List-ID: X-Mailing-List: linux-leds@vger.kernel.org From: ChiYuan Huang This patch series is to make ocp level selectable. Some application design use small inductor. And it's easy to trigger the over current protection. Due to the OCP limit, It make the brightness current not match the configured value. To meet the HW design, the ocp level have to be selectable. ChiYuan Huang (2): dt-bindings: backlight: rt4831: Add the new property for ocp level selection backlight: rt4831: Add the property parsing for ocp level selection .../bindings/leds/backlight/richtek,rt4831-backlight.yaml | 8 ++++++++ drivers/video/backlight/rt4831-backlight.c | 13 +++++++++++++ include/dt-bindings/leds/rt4831-backlight.h | 5 +++++ 3 files changed, 26 insertions(+)