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Commit 52003ab9 authored by Tirupathi Reddy's avatar Tirupathi Reddy
Browse files

regulator: msm_gfx_ldo: specify a list_corner_voltage callback function 



Define a list_corner_voltage callback function for the msm_gfx_ldo
driver so that consumers can determine the msm_gfx_ldo voltage
for each voltage corner.

CRs-Fixed: 2174431
Change-Id: I3f661f9bbb01bcce4b7f56707583eea507045b47
Signed-off-by: default avatarTirupathi Reddy <tirupath@codeaurora.org>
parent be566880

drivers/regulator/msm_gfx_ldo.c

+28 −6
Original line number Diff line number Diff line 
/*

 * Copyright (c) 2015-2017, The Linux Foundation. All rights reserved.

 * Copyright (c) 2015-2018, The Linux Foundation. All rights reserved.

 *

 * This program is free software; you can redistribute it and/or modify

 * it under the terms of the GNU General Public License version 2 and
@@ -773,12 +773,34 @@ static int msm_gfx_ldo_is_enabled(struct regulator_dev *rdev) 
	return ldo_vreg->vreg_enabled;

}



/**

 * msm_gfx_ldo_list_corner_voltage() - return the ldo voltage mapped to

 *			the specified voltage corner

 * @rdev:		Regulator device pointer for the msm_gfx_ldo

 * @corner:		Voltage corner

 *

 * Return: voltage value in microvolts or -EINVAL if the corner is out of range

 */

static int msm_gfx_ldo_list_corner_voltage(struct regulator_dev *rdev,

		int corner)

{

	struct msm_gfx_ldo *ldo_vreg  = rdev_get_drvdata(rdev);



	corner -= MIN_CORNER_OFFSET;



	if (corner >= 0 && corner < ldo_vreg->num_corners)

		return ldo_vreg->open_loop_volt[corner];

	else

		return -EINVAL;

}



static struct regulator_ops msm_gfx_ldo_corner_ops = {

	.enable			= msm_gfx_ldo_corner_enable,

	.disable		= msm_gfx_ldo_disable,

	.is_enabled		= msm_gfx_ldo_is_enabled,

	.set_voltage		= msm_gfx_ldo_set_corner,

	.get_voltage		= msm_gfx_ldo_get_corner,

	.list_corner_voltage	= msm_gfx_ldo_list_corner_voltage,

};



static int msm_gfx_ldo_get_bypass(struct regulator_dev *rdev,