From mboxrd@z Thu Jan 1 00:00:00 1970 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=-9.8 required=3.0 tests=DKIM_INVALID,DKIM_SIGNED, HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_PATCH,MAILING_LIST_MULTI,SIGNED_OFF_BY, SPF_HELO_NONE,SPF_PASS,URIBL_BLOCKED,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 E0CEAC433E0 for ; Fri, 26 Jun 2020 20:37:48 +0000 (UTC) Received: from gabe.freedesktop.org (gabe.freedesktop.org [131.252.210.177]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mail.kernel.org (Postfix) with ESMTPS id B3EE92075D for ; Fri, 26 Jun 2020 20:37:48 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=fail reason="signature verification failed" (2048-bit key) header.d=linaro.org header.i=@linaro.org header.b="JG/g+/r4" DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org B3EE92075D Authentication-Results: mail.kernel.org; dmarc=fail (p=none dis=none) header.from=linaro.org Authentication-Results: mail.kernel.org; spf=none smtp.mailfrom=dri-devel-bounces@lists.freedesktop.org Received: from gabe.freedesktop.org (localhost [127.0.0.1]) by gabe.freedesktop.org (Postfix) with ESMTP id 04ECD6E483; Fri, 26 Jun 2020 20:37:48 +0000 (UTC) Received: from mail-lf1-x143.google.com (mail-lf1-x143.google.com [IPv6:2a00:1450:4864:20::143]) by gabe.freedesktop.org (Postfix) with ESMTPS id 1CBAB6E483 for ; Fri, 26 Jun 2020 20:37:47 +0000 (UTC) Received: by mail-lf1-x143.google.com with SMTP id t9so5846768lfl.5 for ; Fri, 26 Jun 2020 13:37:47 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=linaro.org; s=google; h=from:to:cc:subject:date:message-id:mime-version :content-transfer-encoding; bh=8VvWqiFIWtVup4e72jzSlxxn0GFKf5oqDLPiC59QfuE=; b=JG/g+/r4y3iFTx3H+GpkfHiWCPPgdNXjIuEHe+Cgkj7VilW+GYxBJZgSlvP68qpLy6 kRzxZnOTKqIuqiIxPCc34uulkwvPh5Du+BdFQLGpwJoBJwJJQV62P8Y3SDIkDnMqR5A7 kx/AyESPeBU2C5jPQY9Uxwq0ls6FDNNkLLctyO1O8B9Wv/SaAUe/3zcXjd5eYOV+rroV P8hCaqtWgRFR3EwCQDfHVRdfazah+IVGGs8fqXlfUIfFBTpQWSxngn2Y8wL99nXrPumP 6CMeT37hUGo/HoZcOw+ddsX/sCmIcDQbGT++pFIlxFkTs9XngDQmI3I36JK9TeKw+GuQ kvZA== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:from:to:cc:subject:date:message-id:mime-version :content-transfer-encoding; bh=8VvWqiFIWtVup4e72jzSlxxn0GFKf5oqDLPiC59QfuE=; b=mNcZtZw1m6OERjAfPPtZ9udfICcKcBXoKZN060ufdvpbRuci9RVdT9yw78dMVOagao 6NwOXqnzDDiVClMjWTthE8Tal+vlVLKJQIiHNkW4CRoPPDiQzLFpNS81EbI52VokXzVV d41TBEkXJ95PySF++OGK9UltfwtdOXGBT7mokPxNHsNKuVqjG3uyJUO0BhYZZT4Usm4B uU5qtW7P3ZENGLL7aGziN9c5++hjaNEZEYJaqOqzSejo8b/tcrT5PpM+tQdKhIaVkTVd LbjcTMMNJd609K1BxBRvHmOKW8qIPF6Mh2jJ4xSMqhn+ySjvsh654qav4bKEDn6QmjAl 45/A== X-Gm-Message-State: AOAM532osEvjMoE8ft1CrGULMmrVqKVqrBUVJeSE4yE8AOJOarW50oXI 7qX147LhegQSdQUOx6KPf4bMuQ== X-Google-Smtp-Source: ABdhPJxxuQdYNlWESRMTKC2mT+5O0US+3zeR6qQhNXk8R3XtG+u7/FbZcEBHaBGVah85rzWncA97LA== X-Received: by 2002:ac2:54b9:: with SMTP id w25mr2787980lfk.127.1593203865378; Fri, 26 Jun 2020 13:37:45 -0700 (PDT) Received: from genomnajs.lan (c-d63ee155.152980-0-69706f6e6c79.bbcust.telenor.se. [85.225.62.214]) by smtp.gmail.com with ESMTPSA id a21sm475056ljn.2.2020.06.26.13.37.44 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Fri, 26 Jun 2020 13:37:44 -0700 (PDT) From: Linus Walleij To: Lee Jones , Daniel Thompson , Jingoo Han , dri-devel@lists.freedesktop.org Subject: [PATCH 1/2] backlight: sky81452: Convert to GPIO descriptors Date: Fri, 26 Jun 2020 22:37:41 +0200 Message-Id: <20200626203742.336780-1-linus.walleij@linaro.org> X-Mailer: git-send-email 2.25.4 MIME-Version: 1.0 X-BeenThere: dri-devel@lists.freedesktop.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: Direct Rendering Infrastructure - Development List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: Gyungoh Yoo Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Errors-To: dri-devel-bounces@lists.freedesktop.org Sender: "dri-devel" The SKY81452 backlight driver just obtains a GPIO (named "gpios" in the device tree) drives it high and leaves it high until the driver is removed. Switch to use GPIO descriptors for this, simple and straight-forward. Cc: Gyungoh Yoo Signed-off-by: Linus Walleij --- drivers/video/backlight/sky81452-backlight.c | 18 ++++-------------- .../linux/platform_data/sky81452-backlight.h | 6 ++++-- 2 files changed, 8 insertions(+), 16 deletions(-) diff --git a/drivers/video/backlight/sky81452-backlight.c b/drivers/video/backlight/sky81452-backlight.c index 2355f00f5773..81d2c8f3ca50 100644 --- a/drivers/video/backlight/sky81452-backlight.c +++ b/drivers/video/backlight/sky81452-backlight.c @@ -8,12 +8,11 @@ #include #include -#include +#include #include #include #include #include -#include #include #include #include @@ -182,7 +181,7 @@ static struct sky81452_bl_platform_data *sky81452_bl_parse_dt( pdata->ignore_pwm = of_property_read_bool(np, "skyworks,ignore-pwm"); pdata->dpwm_mode = of_property_read_bool(np, "skyworks,dpwm-mode"); pdata->phase_shift = of_property_read_bool(np, "skyworks,phase-shift"); - pdata->gpio_enable = of_get_gpio(np, 0); + pdata->gpiod_enable = devm_gpiod_get_optional(dev, NULL, GPIOD_OUT_HIGH); ret = of_property_count_u32_elems(np, "led-sources"); if (ret < 0) { @@ -264,15 +263,6 @@ static int sky81452_bl_probe(struct platform_device *pdev) return PTR_ERR(pdata); } - if (gpio_is_valid(pdata->gpio_enable)) { - ret = devm_gpio_request_one(dev, pdata->gpio_enable, - GPIOF_OUT_INIT_HIGH, "sky81452-en"); - if (ret < 0) { - dev_err(dev, "failed to request GPIO. err=%d\n", ret); - return ret; - } - } - ret = sky81452_bl_init_device(regmap, pdata); if (ret < 0) { dev_err(dev, "failed to initialize. err=%d\n", ret); @@ -312,8 +302,8 @@ static int sky81452_bl_remove(struct platform_device *pdev) bd->props.brightness = 0; backlight_update_status(bd); - if (gpio_is_valid(pdata->gpio_enable)) - gpio_set_value_cansleep(pdata->gpio_enable, 0); + if (pdata->gpiod_enable) + gpiod_set_value_cansleep(pdata->gpiod_enable, 0); return 0; } diff --git a/include/linux/platform_data/sky81452-backlight.h b/include/linux/platform_data/sky81452-backlight.h index 02653d92d84f..d6f46670d923 100644 --- a/include/linux/platform_data/sky81452-backlight.h +++ b/include/linux/platform_data/sky81452-backlight.h @@ -9,11 +9,13 @@ #ifndef _SKY81452_BACKLIGHT_H #define _SKY81452_BACKLIGHT_H +#include + /** * struct sky81452_platform_data * @name: backlight driver name. If it is not defined, default name is lcd-backlight. - * @gpio_enable:GPIO number which control EN pin + * @gpios_enable:GPIO descriptor which control EN pin * @enable: Enable mask for current sink channel 1, 2, 3, 4, 5 and 6. * @ignore_pwm: true if DPWMI should be ignored. * @dpwm_mode: true is DPWM dimming mode, otherwise Analog dimming mode. @@ -23,7 +25,7 @@ */ struct sky81452_bl_platform_data { const char *name; - int gpio_enable; + struct gpio_desc *gpiod_enable; unsigned int enable; bool ignore_pwm; bool dpwm_mode; -- 2.25.4 _______________________________________________ dri-devel mailing list dri-devel@lists.freedesktop.org https://lists.freedesktop.org/mailman/listinfo/dri-devel