From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1757876Ab2K0C0W (ORCPT ); Mon, 26 Nov 2012 21:26:22 -0500 Received: from mail-pb0-f46.google.com ([209.85.160.46]:50471 "EHLO mail-pb0-f46.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1755614Ab2K0C0V (ORCPT ); Mon, 26 Nov 2012 21:26:21 -0500 Message-ID: <1353983174.5422.4.camel@phoenix> Subject: [RFC/RFT][PATCH 2/4] regulator: da9055: Use linear_min_sel and regulator_[map|list]_voltage_linear From: Axel Lin To: Mark Brown Cc: David Dajun Chen , Ashish Jangam , Liam Girdwood , linux-kernel@vger.kernel.org Date: Tue, 27 Nov 2012 10:26:14 +0800 In-Reply-To: <1353983073.5422.2.camel@phoenix> References: <1353983073.5422.2.camel@phoenix> Content-Type: text/plain; charset="UTF-8" X-Mailer: Evolution 3.2.3-0ubuntu6 Content-Transfer-Encoding: 7bit Mime-Version: 1.0 Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Signed-off-by: Axel Lin --- drivers/regulator/da9055-regulator.c | 55 +++++----------------------------- 1 file changed, 8 insertions(+), 47 deletions(-) diff --git a/drivers/regulator/da9055-regulator.c b/drivers/regulator/da9055-regulator.c index db59ce7..a4b9cb8 100644 --- a/drivers/regulator/da9055-regulator.c +++ b/drivers/regulator/da9055-regulator.c @@ -57,7 +57,6 @@ struct da9055_volt_reg { int reg_a; int reg_b; int sl_shift; - int v_offset; int v_mask; int v_shift; }; @@ -201,41 +200,6 @@ static int da9055_buck_set_current_limit(struct regulator_dev *rdev, int min_uA, return -EINVAL; } -static int da9055_list_voltage(struct regulator_dev *rdev, unsigned selector) -{ - struct da9055_regulator *regulator = rdev_get_drvdata(rdev); - struct da9055_regulator_info *info = regulator->info; - - if (selector >= rdev->desc->n_voltages) - return -EINVAL; - - if (selector < info->volt.v_offset) - return 0; - - selector -= info->volt.v_offset; - return rdev->desc->min_uV + (rdev->desc->uV_step * selector); -} - -static int da9055_map_voltage(struct regulator_dev *rdev, int min_uV, - int max_uV) -{ - struct da9055_regulator *regulator = rdev_get_drvdata(rdev); - struct da9055_regulator_info *info = regulator->info; - int sel, voltage; - - if (min_uV < rdev->desc->min_uV) - min_uV = rdev->desc->min_uV; - - sel = DIV_ROUND_UP(min_uV - rdev->desc->min_uV, rdev->desc->uV_step); - sel += info->volt.v_offset; - - voltage = da9055_list_voltage(rdev, sel); - if (voltage < min_uV || voltage > max_uV) - return -EINVAL; - - return sel; -} - static int da9055_regulator_get_voltage_sel(struct regulator_dev *rdev) { struct da9055_regulator *regulator = rdev_get_drvdata(rdev); @@ -264,10 +228,7 @@ static int da9055_regulator_get_voltage_sel(struct regulator_dev *rdev) return ret; sel = (ret & volt.v_mask); - if (sel <= volt.v_offset) - return 0; - else - return sel; + return sel; } static int da9055_regulator_set_voltage_sel(struct regulator_dev *rdev, @@ -328,7 +289,7 @@ static int da9055_regulator_set_suspend_voltage(struct regulator_dev *rdev, return ret; } - ret = da9055_map_voltage(rdev, uV, uV); + ret = regulator_map_voltage_linear(rdev, uV, uV); if (ret < 0) return ret; @@ -371,8 +332,8 @@ static struct regulator_ops da9055_buck_ops = { .get_voltage_sel = da9055_regulator_get_voltage_sel, .set_voltage_sel = da9055_regulator_set_voltage_sel, - .list_voltage = da9055_list_voltage, - .map_voltage = da9055_map_voltage, + .list_voltage = regulator_list_voltage_linear, + .map_voltage = regulator_map_voltage_linear, .is_enabled = regulator_is_enabled_regmap, .enable = regulator_enable_regmap, .disable = regulator_disable_regmap, @@ -389,8 +350,8 @@ static struct regulator_ops da9055_ldo_ops = { .get_voltage_sel = da9055_regulator_get_voltage_sel, .set_voltage_sel = da9055_regulator_set_voltage_sel, - .list_voltage = da9055_list_voltage, - .map_voltage = da9055_map_voltage, + .list_voltage = regulator_list_voltage_linear, + .map_voltage = regulator_map_voltage_linear, .is_enabled = regulator_is_enabled_regmap, .enable = regulator_enable_regmap, .disable = regulator_disable_regmap, @@ -414,6 +375,7 @@ static struct regulator_ops da9055_ldo_ops = { .enable_mask = 1, \ .min_uV = (min) * 1000,\ .uV_step = (step) * 1000,\ + .linear_min_sel = (voffset),\ .owner = THIS_MODULE,\ },\ .conf = {\ @@ -425,7 +387,6 @@ static struct regulator_ops da9055_ldo_ops = { .reg_a = DA9055_REG_VBCORE_A + DA9055_ID_##_id, \ .reg_b = DA9055_REG_VBCORE_B + DA9055_ID_##_id, \ .sl_shift = 7,\ - .v_offset = (voffset),\ .v_mask = (1 << (vbits)) - 1,\ .v_shift = (vbits),\ },\ @@ -443,6 +404,7 @@ static struct regulator_ops da9055_ldo_ops = { .enable_mask = 1,\ .min_uV = (min) * 1000,\ .uV_step = (step) * 1000,\ + .linear_min_sel = (voffset),\ .owner = THIS_MODULE,\ },\ .conf = {\ @@ -454,7 +416,6 @@ static struct regulator_ops da9055_ldo_ops = { .reg_a = DA9055_REG_VBCORE_A + DA9055_ID_##_id, \ .reg_b = DA9055_REG_VBCORE_B + DA9055_ID_##_id, \ .sl_shift = 7,\ - .v_offset = (voffset),\ .v_mask = (1 << (vbits)) - 1,\ .v_shift = (vbits),\ },\ -- 1.7.9.5