diff options
Diffstat (limited to 'driver/battery/bq27541.c')
| -rw-r--r-- | driver/battery/bq27541.c | 99 |
1 files changed, 48 insertions, 51 deletions
diff --git a/driver/battery/bq27541.c b/driver/battery/bq27541.c index b59bfc0b18..f190c942ac 100644 --- a/driver/battery/bq27541.c +++ b/driver/battery/bq27541.c @@ -1,4 +1,4 @@ -/* Copyright 2013 The Chromium OS Authors. All rights reserved. +/* Copyright 2013 The ChromiumOS Authors * Use of this source code is governed by a BSD-style license that can be * found in the LICENSE file. * @@ -13,52 +13,52 @@ #include "i2c.h" #include "util.h" -#define BQ27541_ADDR_FLAGS 0x55 -#define BQ27541_TYPE_ID 0x0541 -#define BQ27542_TYPE_ID 0x0542 -#define BQ27741_TYPE_ID 0x0741 -#define BQ27742_TYPE_ID 0x0742 - -#define REG_CTRL 0x00 -#define REG_AT_RATE 0x02 -#define REG_AT_RATE_TIME_TO_EMPTY 0x04 -#define REG_TEMPERATURE 0x06 -#define REG_VOLTAGE 0x08 -#define REG_FLAGS 0x0a -#define REG_NOMINAL_CAPACITY 0x0c +#define BQ27541_ADDR_FLAGS 0x55 +#define BQ27541_TYPE_ID 0x0541 +#define BQ27542_TYPE_ID 0x0542 +#define BQ27741_TYPE_ID 0x0741 +#define BQ27742_TYPE_ID 0x0742 + +#define REG_CTRL 0x00 +#define REG_AT_RATE 0x02 +#define REG_AT_RATE_TIME_TO_EMPTY 0x04 +#define REG_TEMPERATURE 0x06 +#define REG_VOLTAGE 0x08 +#define REG_FLAGS 0x0a +#define REG_NOMINAL_CAPACITY 0x0c #define REG_FULL_AVAILABLE_CAPACITY 0x0e -#define REG_REMAINING_CAPACITY 0x10 -#define REG_FULL_CHARGE_CAPACITY 0x12 -#define REG_AVERAGE_CURRENT 0x14 -#define REG_TIME_TO_EMPTY 0x16 -#define REG_TIME_TO_FULL 0x18 -#define REG_STANDBY_CURRENT 0x1a -#define REG_STANDBY_TIME_TO_EMPTY 0x1c -#define REG_MAX_LOAD_CURRENT 0x1e -#define REG_MAX_LOAD_TIME_TO_EMPTY 0x20 -#define REG_AVAILABLE_ENERGY 0x22 -#define REG_AVERAGE_POEWR 0x24 -#define REG_TT_EAT_CONSTANT_POWER 0x26 -#define REG_CYCLE_COUNT 0x2a -#define REG_STATE_OF_CHARGE 0x2c -#define REG_DATA_FLASH_BLOCK 0x3f -#define REG_DESIGN_CAPACITY 0x3c -#define REG_MANUFACTURER_INFO 0x52 -#define REG_DEVICE_NAME_LENGTH 0x62 -#define MAX_DEVICE_NAME_LENGTH 7 -#define REG_DEVICE_NAME 0x63 -#define REG_PROTECTOR 0x6d +#define REG_REMAINING_CAPACITY 0x10 +#define REG_FULL_CHARGE_CAPACITY 0x12 +#define REG_AVERAGE_CURRENT 0x14 +#define REG_TIME_TO_EMPTY 0x16 +#define REG_TIME_TO_FULL 0x18 +#define REG_STANDBY_CURRENT 0x1a +#define REG_STANDBY_TIME_TO_EMPTY 0x1c +#define REG_MAX_LOAD_CURRENT 0x1e +#define REG_MAX_LOAD_TIME_TO_EMPTY 0x20 +#define REG_AVAILABLE_ENERGY 0x22 +#define REG_AVERAGE_POEWR 0x24 +#define REG_TT_EAT_CONSTANT_POWER 0x26 +#define REG_CYCLE_COUNT 0x2a +#define REG_STATE_OF_CHARGE 0x2c +#define REG_DATA_FLASH_BLOCK 0x3f +#define REG_DESIGN_CAPACITY 0x3c +#define REG_MANUFACTURER_INFO 0x52 +#define REG_DEVICE_NAME_LENGTH 0x62 +#define MAX_DEVICE_NAME_LENGTH 7 +#define REG_DEVICE_NAME 0x63 +#define REG_PROTECTOR 0x6d /* Over-charge */ -#define BQ27542_FLAG_BATHI BIT(13) +#define BQ27542_FLAG_BATHI BIT(13) /* Over Temperature in discharge */ -#define BQ27542_FLAG_OTD BIT(11) +#define BQ27542_FLAG_OTD BIT(11) /* Over Temperature in charge */ -#define BQ27542_FLAG_OTC BIT(7) +#define BQ27542_FLAG_OTC BIT(7) /* Charge allowed */ -#define BQ27542_FLAG_CHG BIT(3) +#define BQ27542_FLAG_CHG BIT(3) /* Discharge */ -#define BQ27542_FLAG_DSG BIT(0) +#define BQ27542_FLAG_DSG BIT(0) static int battery_type_id; static int fake_state_of_charge = -1; @@ -273,10 +273,9 @@ enum battery_present battery_is_present(void) void battery_get_params(struct batt_params *batt) { int v; - const uint32_t flags_to_check = BATT_FLAG_BAD_TEMPERATURE | - BATT_FLAG_BAD_STATE_OF_CHARGE | - BATT_FLAG_BAD_VOLTAGE | - BATT_FLAG_BAD_CURRENT; + const uint32_t flags_to_check = + BATT_FLAG_BAD_TEMPERATURE | BATT_FLAG_BAD_STATE_OF_CHARGE | + BATT_FLAG_BAD_VOLTAGE | BATT_FLAG_BAD_CURRENT; /* Reset flags */ batt->flags = 0; @@ -287,8 +286,8 @@ void battery_get_params(struct batt_params *batt) if (bq27541_read8(REG_STATE_OF_CHARGE, &v) && fake_state_of_charge < 0) batt->flags |= BATT_FLAG_BAD_STATE_OF_CHARGE; - batt->state_of_charge = fake_state_of_charge >= 0 ? - fake_state_of_charge : v; + batt->state_of_charge = + fake_state_of_charge >= 0 ? fake_state_of_charge : v; if (bq27541_read(REG_VOLTAGE, &batt->voltage)) batt->flags |= BATT_FLAG_BAD_VOLTAGE; @@ -312,8 +311,7 @@ void battery_get_params(struct batt_params *batt) batt->flags |= BATT_FLAG_RESPONSIVE; batt->is_present = BP_YES; } else { - - /* If all of those reads error, the battery is not present */ + /* If all of those reads error, the battery is not present */ batt->is_present = BP_NO; } @@ -391,7 +389,7 @@ enum battery_disconnect_state battery_get_disconnect_state(void) } #endif /* CONFIG_BATTERY_REVIVE_DISCONNECT */ -static int command_battfake(int argc, char **argv) +static int command_battfake(int argc, const char **argv) { char *e; int v; @@ -405,8 +403,7 @@ static int command_battfake(int argc, char **argv) } if (fake_state_of_charge >= 0) - ccprintf("Fake batt %d%%\n", - fake_state_of_charge); + ccprintf("Fake batt %d%%\n", fake_state_of_charge); return EC_SUCCESS; } |