mirror of
https://github.com/CTCaer/hekate.git
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03a8a11933
- Allow printing of more log on HOS boot when LOGS are OFF. - A small name refactoring - Add battery warning symbol when battery < 3200mV
177 lines
7 KiB
C
177 lines
7 KiB
C
/*
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* Copyright (c) 2018 naehrwert
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* Copyright (c) 2019 CTCaer
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*
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* This program is free software; you can redistribute it and/or modify it
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* under the terms and conditions of the GNU General Public License,
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* version 2, as published by the Free Software Foundation.
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*
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* This program is distributed in the hope it will be useful, but WITHOUT
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* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
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* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
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* more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program. If not, see <http://www.gnu.org/licenses/>.
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*/
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#include "max7762x.h"
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#include "max77620.h"
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#include "../soc/i2c.h"
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#include "../utils/util.h"
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#define REGULATOR_SD 0
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#define REGULATOR_LDO 1
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typedef struct _max77620_regulator_t
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{
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u8 type;
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const char *name;
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u8 reg_sd;
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u32 mv_step;
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u32 mv_min;
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u32 mv_default;
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u32 mv_max;
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u8 volt_addr;
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u8 cfg_addr;
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u8 volt_mask;
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u8 enable_mask;
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u8 enable_shift;
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u8 status_mask;
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u8 fps_addr;
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u8 fps_src;
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u8 pd_period;
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u8 pu_period;
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} max77620_regulator_t;
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static const max77620_regulator_t _pmic_regulators[] = {
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{ REGULATOR_SD, "sd0", 0x16, 12500, 600000, 625000, 1400000, MAX77620_REG_SD0, MAX77620_REG_SD0_CFG, MAX77620_SD0_VOLT_MASK, MAX77620_SD_POWER_MODE_MASK, MAX77620_SD_POWER_MODE_SHIFT, 0x80, MAX77620_REG_FPS_SD0, 1, 7, 1 },
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{ REGULATOR_SD, "sd1", 0x17, 12500, 600000, 1125000, 1125000, MAX77620_REG_SD1, MAX77620_REG_SD1_CFG, MAX77620_SD1_VOLT_MASK, MAX77620_SD_POWER_MODE_MASK, MAX77620_SD_POWER_MODE_SHIFT, 0x40, MAX77620_REG_FPS_SD1, 0, 1, 5 },
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{ REGULATOR_SD, "sd2", 0x18, 12500, 600000, 1325000, 1350000, MAX77620_REG_SD2, MAX77620_REG_SD2_CFG, MAX77620_SDX_VOLT_MASK, MAX77620_SD_POWER_MODE_MASK, MAX77620_SD_POWER_MODE_SHIFT, 0x20, MAX77620_REG_FPS_SD2, 1, 5, 2 },
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{ REGULATOR_SD, "sd3", 0x19, 12500, 600000, 1800000, 1800000, MAX77620_REG_SD3, MAX77620_REG_SD3_CFG, MAX77620_SDX_VOLT_MASK, MAX77620_SD_POWER_MODE_MASK, MAX77620_SD_POWER_MODE_SHIFT, 0x10, MAX77620_REG_FPS_SD3, 0, 3, 3 },
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{ REGULATOR_LDO, "ldo0", 0x00, 25000, 800000, 1200000, 1200000, MAX77620_REG_LDO0_CFG, MAX77620_REG_LDO0_CFG2, MAX77620_LDO_VOLT_MASK, MAX77620_LDO_POWER_MODE_MASK, MAX77620_LDO_POWER_MODE_SHIFT, 0x00, MAX77620_REG_FPS_LDO0, 3, 7, 0 },
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{ REGULATOR_LDO, "ldo1", 0x00, 25000, 800000, 1050000, 1050000, MAX77620_REG_LDO1_CFG, MAX77620_REG_LDO1_CFG2, MAX77620_LDO_VOLT_MASK, MAX77620_LDO_POWER_MODE_MASK, MAX77620_LDO_POWER_MODE_SHIFT, 0x00, MAX77620_REG_FPS_LDO1, 3, 7, 0 },
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{ REGULATOR_LDO, "ldo2", 0x00, 50000, 800000, 1800000, 3300000, MAX77620_REG_LDO2_CFG, MAX77620_REG_LDO2_CFG2, MAX77620_LDO_VOLT_MASK, MAX77620_LDO_POWER_MODE_MASK, MAX77620_LDO_POWER_MODE_SHIFT, 0x00, MAX77620_REG_FPS_LDO2, 3, 7, 0 },
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{ REGULATOR_LDO, "ldo3", 0x00, 50000, 800000, 3100000, 3100000, MAX77620_REG_LDO3_CFG, MAX77620_REG_LDO3_CFG2, MAX77620_LDO_VOLT_MASK, MAX77620_LDO_POWER_MODE_MASK, MAX77620_LDO_POWER_MODE_SHIFT, 0x00, MAX77620_REG_FPS_LDO3, 3, 7, 0 },
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{ REGULATOR_LDO, "ldo4", 0x00, 12500, 800000, 850000, 850000, MAX77620_REG_LDO4_CFG, MAX77620_REG_LDO4_CFG2, MAX77620_LDO_VOLT_MASK, MAX77620_LDO_POWER_MODE_MASK, MAX77620_LDO_POWER_MODE_SHIFT, 0x00, MAX77620_REG_FPS_LDO4, 0, 7, 1 },
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{ REGULATOR_LDO, "ldo5", 0x00, 50000, 800000, 1800000, 1800000, MAX77620_REG_LDO5_CFG, MAX77620_REG_LDO5_CFG2, MAX77620_LDO_VOLT_MASK, MAX77620_LDO_POWER_MODE_MASK, MAX77620_LDO_POWER_MODE_SHIFT, 0x00, MAX77620_REG_FPS_LDO5, 3, 7, 0 },
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{ REGULATOR_LDO, "ldo6", 0x00, 50000, 800000, 2900000, 2900000, MAX77620_REG_LDO6_CFG, MAX77620_REG_LDO6_CFG2, MAX77620_LDO_VOLT_MASK, MAX77620_LDO_POWER_MODE_MASK, MAX77620_LDO_POWER_MODE_SHIFT, 0x00, MAX77620_REG_FPS_LDO6, 3, 7, 0 },
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{ REGULATOR_LDO, "ldo7", 0x00, 50000, 800000, 1050000, 1050000, MAX77620_REG_LDO7_CFG, MAX77620_REG_LDO7_CFG2, MAX77620_LDO_VOLT_MASK, MAX77620_LDO_POWER_MODE_MASK, MAX77620_LDO_POWER_MODE_SHIFT, 0x00, MAX77620_REG_FPS_LDO7, 1, 4, 3 },
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{ REGULATOR_LDO, "ldo8", 0x00, 50000, 800000, 1050000, 1050000, MAX77620_REG_LDO8_CFG, MAX77620_REG_LDO8_CFG2, MAX77620_LDO_VOLT_MASK, MAX77620_LDO_POWER_MODE_MASK, MAX77620_LDO_POWER_MODE_SHIFT, 0x00, MAX77620_REG_FPS_LDO8, 3, 7, 0 }
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};
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static void _max77620_try_set_reg(u8 reg, u8 val)
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{
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u8 tmp;
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do
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{
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i2c_send_byte(I2C_5, MAX77620_I2C_ADDR, reg, val);
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tmp = i2c_recv_byte(I2C_5, MAX77620_I2C_ADDR, reg);
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} while (val != tmp);
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}
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int max77620_regulator_get_status(u32 id)
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{
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if (id > REGULATOR_MAX)
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return 0;
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const max77620_regulator_t *reg = &_pmic_regulators[id];
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if (reg->type == REGULATOR_SD)
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return (i2c_recv_byte(I2C_5, MAX77620_I2C_ADDR, MAX77620_REG_STATSD) & reg->status_mask) ? 0 : 1;
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return (i2c_recv_byte(I2C_5, MAX77620_I2C_ADDR, reg->cfg_addr) & 8) ? 1 : 0;
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}
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int max77620_regulator_config_fps(u32 id)
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{
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if (id > REGULATOR_MAX)
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return 0;
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const max77620_regulator_t *reg = &_pmic_regulators[id];
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_max77620_try_set_reg(reg->fps_addr,
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(reg->fps_src << MAX77620_FPS_SRC_SHIFT) | (reg->pu_period << MAX77620_FPS_PU_PERIOD_SHIFT) | (reg->pd_period));
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return 1;
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}
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int max77620_regulator_set_voltage(u32 id, u32 mv)
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{
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if (id > REGULATOR_MAX)
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return 0;
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const max77620_regulator_t *reg = &_pmic_regulators[id];
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if (mv < reg->mv_min || mv > reg->mv_max)
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return 0;
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u32 mult = (mv + reg->mv_step - 1 - reg->mv_min) / reg->mv_step;
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u8 val = i2c_recv_byte(I2C_5, MAX77620_I2C_ADDR, reg->volt_addr);
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val = (val & ~reg->volt_mask) | (mult & reg->volt_mask);
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_max77620_try_set_reg(reg->volt_addr, val);
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usleep(1000);
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return 1;
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}
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int max77620_regulator_enable(u32 id, int enable)
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{
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if (id > REGULATOR_MAX)
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return 0;
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const max77620_regulator_t *reg = &_pmic_regulators[id];
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u32 addr = reg->type == REGULATOR_SD ? reg->cfg_addr : reg->volt_addr;
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u8 val = i2c_recv_byte(I2C_5, MAX77620_I2C_ADDR, addr);
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if (enable)
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val = (val & ~reg->enable_mask) | ((MAX77620_POWER_MODE_NORMAL << reg->enable_shift) & reg->enable_mask);
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else
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val &= ~reg->enable_mask;
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_max77620_try_set_reg(addr, val);
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usleep(1000);
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return 1;
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}
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// LDO only.
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int max77620_regulator_set_volt_and_flags(u32 id, u32 mv, u8 flags)
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{
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if (id > REGULATOR_MAX)
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return 0;
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const max77620_regulator_t *reg = &_pmic_regulators[id];
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if (mv < reg->mv_min || mv > reg->mv_max)
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return 0;
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u32 mult = (mv + reg->mv_step - 1 - reg->mv_min) / reg->mv_step;
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u8 val = ((flags << reg->enable_shift) & ~reg->volt_mask) | (mult & reg->volt_mask);
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_max77620_try_set_reg(reg->volt_addr, val);
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usleep(1000);
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return 1;
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}
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void max77620_config_default()
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{
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for (u32 i = 1; i <= REGULATOR_MAX; i++)
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{
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i2c_recv_byte(I2C_5, MAX77620_I2C_ADDR, MAX77620_REG_CID4);
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max77620_regulator_config_fps(i);
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max77620_regulator_set_voltage(i, _pmic_regulators[i].mv_default);
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if (_pmic_regulators[i].fps_src != MAX77620_FPS_SRC_NONE)
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max77620_regulator_enable(i, 1);
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}
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_max77620_try_set_reg(MAX77620_REG_SD_CFG2, 4);
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}
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void max77620_low_battery_monitor_config()
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{
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_max77620_try_set_reg(MAX77620_REG_CNFGGLBL1,
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MAX77620_CNFGGLBL1_LBDAC_EN | MAX77620_CNFGGLBL1_MPPLD |
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MAX77620_CNFGGLBL1_LBHYST_200 | MAX77620_CNFGGLBL1_LBDAC_2800);
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}
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