/* Copyright 2017 The Chromium OS Authors. All rights reserved. * Use of this source code is governed by a BSD-style license that can be * found in the LICENSE file. */ /* Poppy board-specific configuration */ #include "adc.h" #include "adc_chip.h" #include "board_config.h" #include "button.h" #include "charge_manager.h" #include "charge_state.h" #include "charge_ramp.h" #include "charger.h" #include "chipset.h" #include "console.h" #include "cros_board_info.h" #include "driver/pmic_tps650x30.h" #include "driver/accelgyro_bmi160.h" #include "driver/accel_bma2x2.h" #include "driver/als_opt3001.h" #include "driver/baro_bmp280.h" #include "driver/tcpm/ps8xxx.h" #include "driver/tcpm/tcpci.h" #include "driver/tcpm/tcpm.h" #include "driver/temp_sensor/f75303.h" #include "extpower.h" #include "gpio.h" #include "hooks.h" #include "host_command.h" #include "i2c.h" #include "keyboard_scan.h" #include "lid_switch.h" #include "math_util.h" #include "motion_lid.h" #include "motion_sense.h" #include "pi3usb9281.h" #include "power.h" #include "power_button.h" #include "pwm.h" #include "pwm_chip.h" #include "spi.h" #include "switch.h" #include "system.h" #include "tablet_mode.h" #include "task.h" #include "temp_sensor.h" #include "timer.h" #include "uart.h" #include "usb_charge.h" #include "usb_mux.h" #include "usb_pd.h" #include "usb_pd_tcpm.h" #include "util.h" #include "espi.h" #define CPRINTS(format, args...) cprints(CC_USBCHARGE, format, ## args) #define CPRINTF(format, args...) cprintf(CC_USBCHARGE, format, ## args) static void tcpc_alert_event(enum gpio_signal signal) { if ((signal == GPIO_USB_C0_PD_INT_ODL) && !gpio_get_level(GPIO_USB_C0_PD_RST_L)) return; else if ((signal == GPIO_USB_C1_PD_INT_ODL) && !gpio_get_level(GPIO_USB_C1_PD_RST_L)) return; #ifdef HAS_TASK_PDCMD /* Exchange status with TCPCs */ host_command_pd_send_status(PD_CHARGE_NO_CHANGE); #endif } /* Set PD discharge whenever VBUS detection is high (i.e. below threshold). */ static void vbus_discharge_handler(void) { pd_set_vbus_discharge(0, gpio_get_level(GPIO_USB_C0_VBUS_WAKE_L)); pd_set_vbus_discharge(1, gpio_get_level(GPIO_USB_C1_VBUS_WAKE_L)); } DECLARE_DEFERRED(vbus_discharge_handler); void vbus0_evt(enum gpio_signal signal) { /* VBUS present GPIO is inverted */ usb_charger_vbus_change(0, !gpio_get_level(signal)); task_wake(TASK_ID_PD_C0); hook_call_deferred(&vbus_discharge_handler_data, 0); } void vbus1_evt(enum gpio_signal signal) { /* VBUS present GPIO is inverted */ usb_charger_vbus_change(1, !gpio_get_level(signal)); task_wake(TASK_ID_PD_C1); hook_call_deferred(&vbus_discharge_handler_data, 0); } void usb0_evt(enum gpio_signal signal) { task_set_event(TASK_ID_USB_CHG_P0, USB_CHG_EVENT_BC12, 0); } void usb1_evt(enum gpio_signal signal) { task_set_event(TASK_ID_USB_CHG_P1, USB_CHG_EVENT_BC12, 0); } #include "gpio_list.h" /* power signal list. Must match order of enum power_signal. */ const struct power_signal_info power_signal_list[] = { #ifdef CONFIG_POWER_S0IX {GPIO_PCH_SLP_S0_L, POWER_SIGNAL_ACTIVE_HIGH | POWER_SIGNAL_DISABLE_AT_BOOT, "SLP_S0_DEASSERTED"}, #endif {VW_SLP_S3_L, POWER_SIGNAL_ACTIVE_HIGH, "SLP_S3_DEASSERTED"}, {VW_SLP_S4_L, POWER_SIGNAL_ACTIVE_HIGH, "SLP_S4_DEASSERTED"}, {GPIO_PCH_SLP_SUS_L, POWER_SIGNAL_ACTIVE_HIGH, "SLP_SUS_DEASSERTED"}, {GPIO_RSMRST_L_PGOOD, POWER_SIGNAL_ACTIVE_HIGH, "RSMRST_L_PGOOD"}, {GPIO_PMIC_DPWROK, POWER_SIGNAL_ACTIVE_HIGH, "PMIC_DPWROK"}, }; BUILD_ASSERT(ARRAY_SIZE(power_signal_list) == POWER_SIGNAL_COUNT); /* ADC channels */ const struct adc_t adc_channels[] = { /* Vbus sensing (10x voltage divider). PPVAR_BOOSTIN_SENSE */ [ADC_VBUS] = {"VBUS", NPCX_ADC_CH2, ADC_MAX_VOLT*10, ADC_READ_MAX+1, 0}, /* * Adapter current output or battery charging/discharging current (uV) * 18x amplification on charger side. */ [ADC_AMON_BMON] = {"AMON_BMON", NPCX_ADC_CH1, ADC_MAX_VOLT*1000/18, ADC_READ_MAX+1, 0}, }; BUILD_ASSERT(ARRAY_SIZE(adc_channels) == ADC_CH_COUNT); /* I2C port map */ const struct i2c_port_t i2c_ports[] = { {"tcpc0", NPCX_I2C_PORT0_0, 400, GPIO_I2C0_0_SCL, GPIO_I2C0_0_SDA}, {"tcpc1", NPCX_I2C_PORT0_1, 400, GPIO_I2C0_1_SCL, GPIO_I2C0_1_SDA}, {"battery", NPCX_I2C_PORT1, 400, GPIO_I2C1_SCL, GPIO_I2C1_SDA}, /* dnojiri:verify */ {"charger", NPCX_I2C_PORT2, 100, GPIO_I2C2_SCL, GPIO_I2C2_SDA}, {"pmic", NPCX_I2C_PORT2, 400, GPIO_I2C2_SCL, GPIO_I2C2_SDA}, {"accelgyro", NPCX_I2C_PORT3, 400, GPIO_I2C3_SCL, GPIO_I2C3_SDA}, /* dnojiri: Add KB backlight, ALS, G-sensor, Thermal sensor, BC1.2 Detectors. */ }; const unsigned int i2c_ports_used = ARRAY_SIZE(i2c_ports); /* TCPC mux configuration */ const struct tcpc_config_t tcpc_config[CONFIG_USB_PD_PORT_COUNT] = { {NPCX_I2C_PORT0_0, 0x16, &ps8xxx_tcpm_drv, TCPC_ALERT_ACTIVE_LOW}, {NPCX_I2C_PORT0_1, 0x16, &ps8xxx_tcpm_drv, TCPC_ALERT_ACTIVE_LOW}, }; struct usb_mux usb_muxes[CONFIG_USB_PD_PORT_COUNT] = { { .port_addr = 0, .driver = &tcpci_tcpm_usb_mux_driver, .hpd_update = &ps8xxx_tcpc_update_hpd_status, }, { .port_addr = 1, .driver = &tcpci_tcpm_usb_mux_driver, .hpd_update = &ps8xxx_tcpc_update_hpd_status, } }; struct pi3usb9281_config pi3usb9281_chips[] = { { .i2c_port = I2C_PORT_USB_CHARGER_0, .mux_lock = NULL, }, { .i2c_port = I2C_PORT_USB_CHARGER_1, .mux_lock = NULL, }, }; BUILD_ASSERT(ARRAY_SIZE(pi3usb9281_chips) == CONFIG_BC12_DETECT_PI3USB9281_CHIP_COUNT); void board_reset_pd_mcu(void) { /* Assert reset */ gpio_set_level(GPIO_USB_C0_PD_RST_L, 0); gpio_set_level(GPIO_USB_C1_PD_RST_L, 0); msleep(1); gpio_set_level(GPIO_USB_C0_PD_RST_L, 1); gpio_set_level(GPIO_USB_C1_PD_RST_L, 1); } void board_tcpc_init(void) { int port; /* Only reset TCPC if not sysjump */ if (!system_jumped_to_this_image()) { board_reset_pd_mcu(); } /* Enable TCPC interrupts */ gpio_enable_interrupt(GPIO_USB_C0_PD_INT_ODL); gpio_enable_interrupt(GPIO_USB_C1_PD_INT_ODL); /* * Initialize HPD to low; after sysjump SOC needs to see * HPD pulse to enable video path */ for (port = 0; port < CONFIG_USB_PD_PORT_COUNT; port++) { const struct usb_mux *mux = &usb_muxes[port]; mux->hpd_update(port, 0, 0); } } DECLARE_HOOK(HOOK_INIT, board_tcpc_init, HOOK_PRIO_INIT_I2C+1); uint16_t tcpc_get_alert_status(void) { uint16_t status = 0; if (!gpio_get_level(GPIO_USB_C0_PD_INT_ODL)) { if (gpio_get_level(GPIO_USB_C0_PD_RST_L)) status |= PD_STATUS_TCPC_ALERT_0; } if (!gpio_get_level(GPIO_USB_C1_PD_INT_ODL)) { if (gpio_get_level(GPIO_USB_C1_PD_RST_L)) status |= PD_STATUS_TCPC_ALERT_1; } return status; } /* * F75303_Remote1 is near CPU, and F75303_Remote2 is near 5V power ic. */ const struct temp_sensor_t temp_sensors[] = { {"F75303_Remote1", TEMP_SENSOR_TYPE_BOARD, f75303_get_val, F75303_IDX_REMOTE1, 4}, {"F75303_Remote2", TEMP_SENSOR_TYPE_BOARD, f75303_get_val, F75303_IDX_REMOTE2, 4}, }; BUILD_ASSERT(ARRAY_SIZE(temp_sensors) == TEMP_SENSOR_COUNT); #define I2C_PMIC_READ(reg, data) \ i2c_read8(I2C_PORT_PMIC, TPS650X30_I2C_ADDR1, (reg), (data)) #define I2C_PMIC_WRITE(reg, data) \ i2c_write8(I2C_PORT_PMIC, TPS650X30_I2C_ADDR1, (reg), (data)) static void board_pmic_init(void) { int err; int error_count = 0; static uint8_t pmic_initialized = 0; if (pmic_initialized) return; /* Read vendor ID */ while (1) { int data; err = I2C_PMIC_READ(TPS650X30_REG_VENDORID, &data); if (!err && data == TPS650X30_VENDOR_ID) break; else if (error_count > 5) goto pmic_error; error_count++; } /* * VCCIOCNT register setting * [6] : CSDECAYEN * otherbits: default */ err = I2C_PMIC_WRITE(TPS650X30_REG_VCCIOCNT, 0x4A); if (err) goto pmic_error; /* * VRMODECTRL: * [4] : VCCIOLPM clear * otherbits: default */ err = I2C_PMIC_WRITE(TPS650X30_REG_VRMODECTRL, 0x2F); if (err) goto pmic_error; /* * PGMASK1 : Exclude VCCIO from Power Good Tree * [7] : MVCCIOPG clear * otherbits: default */ err = I2C_PMIC_WRITE(TPS650X30_REG_PGMASK1, 0x80); if (err) goto pmic_error; /* * PWFAULT_MASK1 Register settings * [7] : 1b V4 Power Fault Masked * [4] : 1b V7 Power Fault Masked * [2] : 1b V9 Power Fault Masked * [0] : 1b V13 Power Fault Masked */ err = I2C_PMIC_WRITE(TPS650X30_REG_PWFAULT_MASK1, 0x95); if (err) goto pmic_error; /* * Discharge control 4 register configuration * [7:6] : 00b Reserved * [5:4] : 01b V3.3S discharge resistance (V6S), 100 Ohm * [3:2] : 01b V18S discharge resistance (V8S), 100 Ohm * [1:0] : 01b V100S discharge resistance (V11S), 100 Ohm */ err = I2C_PMIC_WRITE(TPS650X30_REG_DISCHCNT4, 0x15); if (err) goto pmic_error; /* * Discharge control 3 register configuration * [7:6] : 01b V1.8U_2.5U discharge resistance (V9), 100 Ohm * [5:4] : 01b V1.2U discharge resistance (V10), 100 Ohm * [3:2] : 01b V100A discharge resistance (V11), 100 Ohm * [1:0] : 01b V085A discharge resistance (V12), 100 Ohm */ err = I2C_PMIC_WRITE(TPS650X30_REG_DISCHCNT3, 0x55); if (err) goto pmic_error; /* * Discharge control 2 register configuration * [7:6] : 01b V5ADS3 discharge resistance (V5), 100 Ohm * [5:4] : 01b V33A_DSW discharge resistance (V6), 100 Ohm * [3:2] : 01b V33PCH discharge resistance (V7), 100 Ohm * [1:0] : 01b V18A discharge resistance (V8), 100 Ohm */ err = I2C_PMIC_WRITE(TPS650X30_REG_DISCHCNT2, 0x55); if (err) goto pmic_error; /* * Discharge control 1 register configuration * [7:2] : 00b Reserved * [1:0] : 01b VCCIO discharge resistance (V4), 100 Ohm */ err = I2C_PMIC_WRITE(TPS650X30_REG_DISCHCNT1, 0x01); if (err) goto pmic_error; /* * Increase Voltage * [7:0] : 0x2a default * [5:4] : 10b default * [5:4] : 01b 5.1V (0x1a) */ err = I2C_PMIC_WRITE(TPS650X30_REG_V5ADS3CNT, 0x1a); if (err) goto pmic_error; /* * PBCONFIG Register configuration * [7] : 1b Power button debounce, 0ms (no debounce) * [6] : 0b Power button reset timer logic, no action (default) * [5:0] : 011111b Force an Emergency reset time, 31s (default) */ err = I2C_PMIC_WRITE(TPS650X30_REG_PBCONFIG, 0x9F); if (err) goto pmic_error; CPRINTS("PMIC init done"); pmic_initialized = 1; return; pmic_error: CPRINTS("PMIC init failed: %d", err); } static void chipset_pre_init(void) { board_pmic_init(); } DECLARE_HOOK(HOOK_CHIPSET_PRE_INIT, chipset_pre_init, HOOK_PRIO_DEFAULT); /* Initialize board. */ static void board_init(void) { uint32_t version; if (cbi_get_board_version(&version) == EC_SUCCESS) CPRINTS("Board Version: 0x%04x", version); /* * This enables pull-down on F_DIO1 (SPI MISO), and F_DIO0 (SPI MOSI), * whenever the EC is not doing SPI flash transactions. This avoids * floating SPI buffer input (MISO), which causes power leakage (see * b/64797021). */ NPCX_PUPD_EN1 |= (1 << NPCX_DEVPU1_F_SPI_PUD_EN); /* Provide AC status to the PCH */ gpio_set_level(GPIO_PCH_ACPRESENT, extpower_is_present()); /* Enable sensors power supply */ /* dnojiri: how do we enable it? */ /* Enable VBUS interrupt */ gpio_enable_interrupt(GPIO_USB_C0_VBUS_WAKE_L); gpio_enable_interrupt(GPIO_USB_C1_VBUS_WAKE_L); /* Enable pericom BC1.2 interrupts */ gpio_enable_interrupt(GPIO_USB_C0_BC12_INT_L); gpio_enable_interrupt(GPIO_USB_C1_BC12_INT_L); /* Enable Gyro interrupt for BMI160 */ gpio_enable_interrupt(GPIO_ACCELGYRO3_INT_L); } DECLARE_HOOK(HOOK_INIT, board_init, HOOK_PRIO_DEFAULT); /** * Buffer the AC present GPIO to the PCH. */ static void board_extpower(void) { gpio_set_level(GPIO_PCH_ACPRESENT, extpower_is_present()); } DECLARE_HOOK(HOOK_AC_CHANGE, board_extpower, HOOK_PRIO_DEFAULT); /* Set active charge port -- only one port can be active at a time. */ int board_set_active_charge_port(int charge_port) { /* charge port is a physical port */ int is_real_port = (charge_port >= 0 && charge_port < CONFIG_USB_PD_PORT_COUNT); /* check if we are sourcing VBUS on the port */ /* dnojiri: revisit */ int is_source = gpio_get_level(charge_port == 0 ? GPIO_USB_C0_5V_EN : GPIO_USB_C1_5V_EN); if (is_real_port && is_source) { CPRINTF("No charging on source port p%d is ", charge_port); return EC_ERROR_INVAL; } CPRINTF("New chg p%d", charge_port); if (charge_port == CHARGE_PORT_NONE) { /* Disable both ports */ gpio_set_level(GPIO_USB_C0_CHARGE_L, 1); gpio_set_level(GPIO_USB_C1_CHARGE_L, 1); } else { /* Make sure non-charging port is disabled */ /* dnojiri: revisit. there is always this assumption that * battery is present. If not, this may cause brownout. */ gpio_set_level(charge_port ? GPIO_USB_C0_CHARGE_L : GPIO_USB_C1_CHARGE_L, 1); /* Enable charging port */ gpio_set_level(charge_port ? GPIO_USB_C1_CHARGE_L : GPIO_USB_C0_CHARGE_L, 0); } return EC_SUCCESS; } void board_set_charge_limit(int port, int supplier, int charge_ma, int max_ma, int charge_mv) { /* * Limit the input current to 96% negotiated limit, * to account for the charger chip margin. */ charge_ma = charge_ma * 96 / 100; charge_set_input_current_limit( MAX(charge_ma, CONFIG_CHARGER_INPUT_CURRENT), charge_mv); } void board_hibernate(void) { CPRINTS("Triggering PMIC shutdown."); uart_flush_output(); gpio_set_level(GPIO_EC_HIBERNATE, 1); while (1) ; } const struct pwm_t pwm_channels[] = { [PWM_CH_LED_RED] = { 3, PWM_CONFIG_DSLEEP, 100 }, [PWM_CH_LED_GREEN] = { 5, PWM_CONFIG_DSLEEP, 100 }, [PWM_CH_FAN] = {4, PWM_CONFIG_OPEN_DRAIN, 25000}, }; BUILD_ASSERT(ARRAY_SIZE(pwm_channels) == PWM_CH_COUNT); /* Lid Sensor mutex */ static struct mutex g_lid_mutex; static struct mutex g_base_mutex; static struct bmi160_drv_data_t g_bmi160_data; /* BMA255 private data */ static struct bma2x2_accel_data g_bma255_data; static struct opt3001_drv_data_t g_opt3001_data = { .scale = 1, .uscale = 0, .offset = 0, }; /* Matrix to rotate accelrator into standard reference frame */ const matrix_3x3_t base_standard_ref = { { FLOAT_TO_FP(-1), 0, 0}, { 0, FLOAT_TO_FP(1), 0}, { 0, 0, FLOAT_TO_FP(-1)} }; const matrix_3x3_t lid_standard_ref = { { FLOAT_TO_FP(-1), 0, 0}, { 0, FLOAT_TO_FP(-1), 0}, { 0, 0, FLOAT_TO_FP(1)} }; struct motion_sensor_t motion_sensors[] = { [BASE_ACCEL] = { .name = "Base Accel", .active_mask = SENSOR_ACTIVE_S0_S3, .chip = MOTIONSENSE_CHIP_BMI160, .type = MOTIONSENSE_TYPE_ACCEL, .location = MOTIONSENSE_LOC_BASE, .drv = &bmi160_drv, .mutex = &g_base_mutex, .drv_data = &g_bmi160_data, .port = I2C_PORT_ACCEL, .addr = BMI160_ADDR0, .rot_standard_ref = &base_standard_ref, .min_frequency = BMI160_ACCEL_MIN_FREQ, .max_frequency = BMI160_ACCEL_MAX_FREQ, .default_range = 2, /* g, to support tablet mode */ .config = { /* AP: by default use EC settings */ [SENSOR_CONFIG_AP] = { .odr = 0, .ec_rate = 0, }, /* EC use accel for angle detection */ [SENSOR_CONFIG_EC_S0] = { .odr = 10000 | ROUND_UP_FLAG, .ec_rate = 100 * MSEC, }, /* Sensor on in S3 */ [SENSOR_CONFIG_EC_S3] = { .odr = 10000 | ROUND_UP_FLAG, .ec_rate = 0, }, /* Sensor off in S5 */ [SENSOR_CONFIG_EC_S5] = { .odr = 0, .ec_rate = 0 }, }, }, [BASE_GYRO] = { .name = "Base Gyro", .active_mask = SENSOR_ACTIVE_S0_S3, .chip = MOTIONSENSE_CHIP_BMI160, .type = MOTIONSENSE_TYPE_GYRO, .location = MOTIONSENSE_LOC_BASE, .drv = &bmi160_drv, .mutex = &g_base_mutex, .drv_data = &g_bmi160_data, .port = I2C_PORT_ACCEL, .addr = BMI160_ADDR0, .default_range = 1000, /* dps */ .rot_standard_ref = &base_standard_ref, .min_frequency = BMI160_GYRO_MIN_FREQ, .max_frequency = BMI160_GYRO_MAX_FREQ, .config = { /* AP: by default shutdown all sensors */ [SENSOR_CONFIG_AP] = { .odr = 0, .ec_rate = 0, }, /* EC does not need in S0 */ [SENSOR_CONFIG_EC_S0] = { .odr = 0, .ec_rate = 0, }, /* Sensor off in S3/S5 */ [SENSOR_CONFIG_EC_S3] = { .odr = 0, .ec_rate = 0, }, /* Sensor off in S3/S5 */ [SENSOR_CONFIG_EC_S5] = { .odr = 0, .ec_rate = 0, }, }, }, [LID_ACCEL] = { .name = "Lid Accel", .active_mask = SENSOR_ACTIVE_S0_S3, .chip = MOTIONSENSE_CHIP_BMA255, .type = MOTIONSENSE_TYPE_ACCEL, .location = MOTIONSENSE_LOC_LID, .drv = &bma2x2_accel_drv, .mutex = &g_lid_mutex, .drv_data = &g_bma255_data, .port = I2C_PORT_ACCEL, .addr = BMA2x2_I2C_ADDR1, .rot_standard_ref = &lid_standard_ref, .min_frequency = BMA255_ACCEL_MIN_FREQ, .max_frequency = BMA255_ACCEL_MAX_FREQ, .default_range = 2, /* g, to support tablet mode */ .config = { /* AP: by default use EC settings */ [SENSOR_CONFIG_AP] = { .odr = 0, .ec_rate = 0, }, /* EC use accel for angle detection */ [SENSOR_CONFIG_EC_S0] = { .odr = 10000 | ROUND_UP_FLAG, .ec_rate = 0, }, /* Sensor on in S3 */ [SENSOR_CONFIG_EC_S3] = { .odr = 10000 | ROUND_UP_FLAG, .ec_rate = 0, }, /* Sensor off in S5 */ [SENSOR_CONFIG_EC_S5] = { .odr = 0, .ec_rate = 0, }, }, }, [LID_ALS] = { .name = "Light", .active_mask = SENSOR_ACTIVE_S0, .chip = MOTIONSENSE_CHIP_OPT3001, .type = MOTIONSENSE_TYPE_LIGHT, .location = MOTIONSENSE_LOC_LID, .drv = &opt3001_drv, .drv_data = &g_opt3001_data, .port = I2C_PORT_ALS, .addr = OPT3001_I2C_ADDR, .rot_standard_ref = NULL, .default_range = 0x10000, /* scale = 1; uscale = 0 */ .min_frequency = OPT3001_LIGHT_MIN_FREQ, .max_frequency = OPT3001_LIGHT_MAX_FREQ, .config = { /* AP: by default shutdown all sensors */ [SENSOR_CONFIG_AP] = { .odr = 0, .ec_rate = 0, }, [SENSOR_CONFIG_EC_S0] = { .odr = 1000, .ec_rate = 0, }, /* Sensor off in S3/S5 */ [SENSOR_CONFIG_EC_S3] = { .odr = 0, .ec_rate = 0, }, /* Sensor off in S3/S5 */ [SENSOR_CONFIG_EC_S5] = { .odr = 0, .ec_rate = 0, }, }, }, }; const unsigned int motion_sensor_count = ARRAY_SIZE(motion_sensors); /* ALS instances when LPC mapping is needed. Each entry directs to a sensor. */ const struct motion_sensor_t *motion_als_sensors[] = { &motion_sensors[LID_ALS], }; BUILD_ASSERT(ARRAY_SIZE(motion_als_sensors) == ALS_COUNT); /* Enable or disable input devices, based on chipset state and tablet mode */ #ifndef TEST_BUILD void lid_angle_peripheral_enable(int enable) { /* If the lid is in 360 position, ignore the lid angle, * which might be faulty. Disable keyboard and touchpad. */ if (tablet_get_mode() || chipset_in_state(CHIPSET_STATE_ANY_OFF)) enable = 0; keyboard_scan_enable(enable, KB_SCAN_DISABLE_LID_ANGLE); } #endif /* Called on AP S3 -> S0 transition */ static void board_chipset_resume(void) { gpio_set_level(GPIO_ENABLE_BACKLIGHT_L, 0); } DECLARE_HOOK(HOOK_CHIPSET_RESUME, board_chipset_resume, HOOK_PRIO_DEFAULT); /* Called on AP S0 -> S3 transition */ static void board_chipset_suspend(void) { gpio_set_level(GPIO_ENABLE_BACKLIGHT_L, 1); } DECLARE_HOOK(HOOK_CHIPSET_SUSPEND, board_chipset_suspend, HOOK_PRIO_DEFAULT);