From patchwork Wed Jun 26 23:56:13 2019 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Fabio Estevam X-Patchwork-Id: 57204 X-Patchwork-Delegate: sakari.ailus@iki.fi Received: from vger.kernel.org ([209.132.180.67]) by www.linuxtv.org with esmtp (Exim 4.84_2) (envelope-from ) id 1hgHn4-0005JA-Pj; Wed, 26 Jun 2019 23:57:27 +0000 Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1726534AbfFZX5Z (ORCPT + 1 other); Wed, 26 Jun 2019 19:57:25 -0400 Received: from mail-qk1-f194.google.com ([209.85.222.194]:46204 "EHLO mail-qk1-f194.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1726385AbfFZX5Z (ORCPT ); Wed, 26 Jun 2019 19:57:25 -0400 Received: by mail-qk1-f194.google.com with SMTP id x18so194458qkn.13 for ; Wed, 26 Jun 2019 16:57:24 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20161025; h=from:to:cc:subject:date:message-id; bh=Guu6CiHa2q+zHzhdEkXwqHVkT/ipxnLW4v3dLzYrqlw=; b=h0GWc1e9mQY9SOSzsLn9MUoaD2DSoJrJwIyYA0d3BSpu+BUsBSriwV5WWME+OVxqoS IXKZncUahAJQLpFqkJF2ihnGEXDP68Mb3IRS81UWuDvbfMRf7q+B2xwBwA/WVZR+EYA1 mdJvW13bC0dap41R/Ktko2IWDCo8RAaFnK2HehS6zNMUJXA0LSBIFWmIi0nHd73Nn8iP Lv/MpGYwvWL1lI6GmaIMfmDiPZ3g61Gpn9v0GppVh9rkLX2hoQX28vwdrPKYBBzEZXKM JAf/xLxNHKTJ0MswSbr1fwmiTObCqwHKiT+BJ03RhVFBLi33Aq1sMomE1AOx1rp/9qbw wKYA== 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; bh=Guu6CiHa2q+zHzhdEkXwqHVkT/ipxnLW4v3dLzYrqlw=; b=P78AG7FIwZInZxIfMkU5SiOTBLzFfmyIvQpYEdkvMgG/A+OXTluE95cKaj9zW/VX8A EiMZqT/D41gARmAktV4HHarZ25UranCdNkxGnei73+kgkBj2byKH10OvB5Dn+4f55xAo huS4NcA41AeYOQDIJ1NUi5iKDu39o4CvfMAg+0eGxHRhhpS57U3c8lhdEdOBQFApqiWS pzQ2g9abFoY9J3QoFPQu3AKLw6nJC/+hWft6mM6qJAUpImASe2uOgO3RMcOhFh1TfSXN TMbguwZJUnvTxv906PVt3SekAWsYnjsNoHqnJRATmbaiOo7E+Jai/vB1Mk2qQuB4gLNE o0mw== X-Gm-Message-State: APjAAAVlTh5DOkVx2smD87FsJhbrxHLYxCP9HKXXNk7zRbj72y1SqG+t itF28N23Cy/SViO/4f6Cels= X-Google-Smtp-Source: APXvYqw69h0kAf51KZX8m4mr/DsVzV+RKt9muMdJPQNy0ca1vccc9P2sRbIVyEEo/J849dgCpfe/Qg== X-Received: by 2002:a37:517:: with SMTP id 23mr707417qkf.496.1561593443895; Wed, 26 Jun 2019 16:57:23 -0700 (PDT) Received: from fabio-Latitude-E5450.am.freescale.net ([2804:14c:482:3c8:56cb:1049:60d2:137b]) by smtp.gmail.com with ESMTPSA id w16sm264022qtc.41.2019.06.26.16.57.21 (version=TLS1_2 cipher=ECDHE-RSA-AES128-GCM-SHA256 bits=128/128); Wed, 26 Jun 2019 16:57:23 -0700 (PDT) From: Fabio Estevam To: mchehab@kernel.org Cc: hverkuil-cisco@xs4all.nl, todor.tomov@linaro.org, ezequiel@collabora.com, linux-media@vger.kernel.org, Fabio Estevam Subject: [PATCH 1/2] media: ov5645: Remove unneeded regulator_set_voltage() Date: Wed, 26 Jun 2019 20:56:13 -0300 Message-Id: <20190626235614.26587-1-festevam@gmail.com> X-Mailer: git-send-email 2.17.1 Sender: linux-media-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-media@vger.kernel.org There is no need to call regulator_set_voltage() for each regulator that powers the camera. The voltage value for each regulator should be retrieved from the device tree, so remove the unneeded regulator_set_voltage(). Signed-off-by: Fabio Estevam --- drivers/media/i2c/ov5645.c | 28 ---------------------------- 1 file changed, 28 deletions(-) diff --git a/drivers/media/i2c/ov5645.c b/drivers/media/i2c/ov5645.c index 124c8df04633..4e302dc15177 100644 --- a/drivers/media/i2c/ov5645.c +++ b/drivers/media/i2c/ov5645.c @@ -34,10 +34,6 @@ #include #include -#define OV5645_VOLTAGE_ANALOG 2800000 -#define OV5645_VOLTAGE_DIGITAL_CORE 1500000 -#define OV5645_VOLTAGE_DIGITAL_IO 1800000 - #define OV5645_SYSTEM_CTRL0 0x3008 #define OV5645_SYSTEM_CTRL0_START 0x02 #define OV5645_SYSTEM_CTRL0_STOP 0x42 @@ -1156,42 +1152,18 @@ static int ov5645_probe(struct i2c_client *client, return PTR_ERR(ov5645->io_regulator); } - ret = regulator_set_voltage(ov5645->io_regulator, - OV5645_VOLTAGE_DIGITAL_IO, - OV5645_VOLTAGE_DIGITAL_IO); - if (ret < 0) { - dev_err(dev, "cannot set io voltage\n"); - return ret; - } - ov5645->core_regulator = devm_regulator_get(dev, "vddd"); if (IS_ERR(ov5645->core_regulator)) { dev_err(dev, "cannot get core regulator\n"); return PTR_ERR(ov5645->core_regulator); } - ret = regulator_set_voltage(ov5645->core_regulator, - OV5645_VOLTAGE_DIGITAL_CORE, - OV5645_VOLTAGE_DIGITAL_CORE); - if (ret < 0) { - dev_err(dev, "cannot set core voltage\n"); - return ret; - } - ov5645->analog_regulator = devm_regulator_get(dev, "vdda"); if (IS_ERR(ov5645->analog_regulator)) { dev_err(dev, "cannot get analog regulator\n"); return PTR_ERR(ov5645->analog_regulator); } - ret = regulator_set_voltage(ov5645->analog_regulator, - OV5645_VOLTAGE_ANALOG, - OV5645_VOLTAGE_ANALOG); - if (ret < 0) { - dev_err(dev, "cannot set analog voltage\n"); - return ret; - } - ov5645->enable_gpio = devm_gpiod_get(dev, "enable", GPIOD_OUT_HIGH); if (IS_ERR(ov5645->enable_gpio)) { dev_err(dev, "cannot get enable gpio\n");