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Merge "Disable ASD regulator if HST is attached"

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This commit is contained in:
qctecmdr 2021-03-15 02:15:21 -07:00 • committed by Gerrit - the friendly Code Review server
commit 88b27033e8
2 changed files with 38 additions and 1 deletions
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29
drivers/bluetooth/btpower.c
View file

@ -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;

10
include/linux/btpower.h
View file

@ -1,6 +1,6 @@
/* 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;