diff options
| -rw-r--r-- | board/clapper/board.h | 13 |
1 files changed, 13 insertions, 0 deletions
diff --git a/board/clapper/board.h b/board/clapper/board.h index 6382f15dcd..a3d9c693f8 100644 --- a/board/clapper/board.h +++ b/board/clapper/board.h @@ -30,6 +30,7 @@ #define CONFIG_KEYBOARD_IRQ_GPIO GPIO_KBD_IRQ_L #define CONFIG_KEYBOARD_PROTOCOL_8042 #define CONFIG_LED_COMMON +#define CONFIG_LID_ANGLE_KEY_SCAN #define CONFIG_LOW_POWER_IDLE #undef CONFIG_PECI #define CONFIG_POWER_BUTTON @@ -70,6 +71,18 @@ #define WIRELESS_GPIO_WWAN GPIO_PP3300_LTE_EN #define WIRELESS_GPIO_WLAN_POWER GPIO_PP3300_WLAN_EN +/* + * Macros to be used in suspend to determine the state of key scanning + * based on measured lid angle. Note that the angle input is bound [-180, 180] + * where 0 degrees is lid closed/lid fully open. Also note that the key scan + * enable state will only change if recent readings are all within range, + * therefore it is recommended to leave a deadband where the lid angle doesn't + * fit into either range. Also note, if lid is closed, key scanning is + * automatically disabled. + */ +#define LID_IN_RANGE_TO_ACCEPT_KEYS(ang) ((ang) >= 15 || (ang) <= -173) +#define LID_IN_RANGE_TO_IGNORE_KEYS(ang) ((ang) <= 12 && (ang) >= -170) + /* GPIO signal definitions. */ enum gpio_signal { /* Inputs with interrupt handlers are first for efficiency */ |