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Commit 361cb9fe authored by priyankar's avatar priyankar Committed by Gerrit - the friendly Code Review server
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Disable ASD regulator if HST is attached 



This patch contains changes for disabling
ASD regulator if HST is attached.

Change-Id: Ic1f6515861600f8bebc1d065ce51d7df5a3f28db
Signed-off-by: default avatarpriyankar <prigup@codeaurora.org>
parent 05d912cf

drivers/bluetooth/btpower.c

+29 −0
Original line number Diff line number Diff line
@@ -830,6 +830,27 @@ static void bt_power_vreg_put(void) 
	}

}



static int bt_disable_asd(void)

{

	int rc = 0;

	int i;

	int num_vregs =  bt_power_pdata->num_vregs;

	struct bt_power_vreg_data *vreg_info = NULL;



	for (i = 0; i < num_vregs; i++) {

		vreg_info = &bt_power_pdata->vreg_info[i];

		if (strnstr(vreg_info->name, "bt-vdd-asd", sizeof(vreg_info->name))) {

			if (vreg_info->reg) {

				pr_warn("%s: Disabling ASD regulator\n", __func__);

				rc = bt_vreg_disable(vreg_info);

			} else {

				pr_warn("%s: ASD regulator is not configured\n", __func__);

			}

			break;

		}

	}

	return rc;

}



static int bt_power_populate_dt_pinfo(struct platform_device *pdev)

{
@@ -1056,6 +1077,14 @@ static long bt_ioctl(struct file *file, unsigned int cmd, unsigned long arg) 
			chipset_version);

		if (chipset_version) {

			soc_id = chipset_version;

			if (soc_id == HASTINGS_SOC_ID_0100 ||

				soc_id == HASTINGS_SOC_ID_0101 ||

				soc_id == HASTINGS_SOC_ID_0110 ||

				soc_id == HASTINGS_SOC_ID_0200) {

				ret = bt_disable_asd();

				if (ret >= 0)

					PWR_SRC_STATUS_SET(BT_VDD_ASD_LDO, PWR_SRC_NOT_AVAILABLE);

			}

		} else {

			pr_err("%s: got invalid soc version\n", __func__);

			soc_id = 0;

include/linux/btpower.h

+9 −1
Original line number Diff line number Diff line 
/* SPDX-License-Identifier: GPL-2.0-only */

/*

 * Copyright (c) 2016-2020, The Linux Foundation. All rights reserved.

 * Copyright (c) 2016-2021, The Linux Foundation. All rights reserved.

 */



#ifndef __LINUX_BLUETOOTH_POWER_H
@@ -18,6 +18,14 @@ enum bt_power_modes { 
	BT_POWER_RETENTION

};



/* Hasting chipset version information */

enum {

	HASTINGS_SOC_ID_0100 = 0x400A0100,

	HASTINGS_SOC_ID_0101 = 0x400A0101,

	HASTINGS_SOC_ID_0110 = 0x400A0110,

	HASTINGS_SOC_ID_0200 = 0x400A0200,

};



struct log_index {

	int init;

	int crash;