diff options
Diffstat (limited to 'drivers/platform/x86/intel/int3472/common.h')
| -rw-r--r-- | drivers/platform/x86/intel/int3472/common.h | 13 |
1 files changed, 12 insertions, 1 deletions
diff --git a/drivers/platform/x86/intel/int3472/common.h b/drivers/platform/x86/intel/int3472/common.h index 4bfd60df06de..2af8dc1ed25e 100644 --- a/drivers/platform/x86/intel/int3472/common.h +++ b/drivers/platform/x86/intel/int3472/common.h @@ -32,17 +32,27 @@ #define GPIO_REGULATOR_NAME_LENGTH (12 + GPIO_SUPPLY_NAME_LENGTH) /* lower- and upper-case mapping */ #define GPIO_REGULATOR_SUPPLY_MAP_COUNT 2 +/* + * Ensure the GPIO is driven low/high for at least 2 ms before changing. + * + * 2 ms has been chosen because it is the minimum time ovXXXX sensors need to + * have their reset line driven logical high to properly register a reset. + */ +#define GPIO_REGULATOR_ENABLE_TIME (2 * USEC_PER_MSEC) +#define GPIO_REGULATOR_OFF_ON_DELAY (2 * USEC_PER_MSEC) #define INT3472_LED_MAX_NAME_LEN 32 #define CIO2_SENSOR_SSDB_MCLKSPEED_OFFSET 86 -#define INT3472_REGULATOR(_name, _ops) \ +#define INT3472_REGULATOR(_name, _ops, _enable_time, _off_on_delay) \ (const struct regulator_desc) { \ .name = _name, \ .type = REGULATOR_VOLTAGE, \ .ops = _ops, \ .owner = THIS_MODULE, \ + .enable_time = _enable_time, \ + .off_on_delay = _off_on_delay, \ } #define to_int3472_clk(hw) \ @@ -134,6 +144,7 @@ void skl_int3472_unregister_clock(struct int3472_discrete_device *int3472); int skl_int3472_register_regulator(struct int3472_discrete_device *int3472, struct gpio_desc *gpio, + unsigned int enable_time, const char *supply_name, const char *second_sensor); void skl_int3472_unregister_regulator(struct int3472_discrete_device *int3472); |