diff options
| author | Furquan Shaikh <furquan@chromium.org> | 2017-04-25 16:47:34 -0700 |
|---|---|---|
| committer | chrome-bot <chrome-bot@chromium.org> | 2017-05-02 17:45:16 -0700 |
| commit | c388d3e27877c1e3b1b2f078cd320d604509087d (patch) | |
| tree | 15887d1e570fba25d62b245663f2bed816ce6881 | |
| parent | 2bb9aec01aded925b726f7b18a66cdad181ac8db (diff) | |
| download | chrome-ec-stabilize-9517.B.tar.gz | |
common/button: Blink LED for 3 seconds when setting recovery HW_REINITstabilize-9517.B
If user holds down volume up, volume down and power button for 30
seconds, set HW_REINIT event and blink LED for 3 seconds to indicate
to user that the request was accepted.
BUG=b:37682514
BRANCH=None
TEST=make -j buildall
Change-Id: I6b70d56f50d0a1cfae3fa7f337a34ac487943775
Signed-off-by: Furquan Shaikh <furquan@chromium.org>
Reviewed-on: https://chromium-review.googlesource.com/487281
Reviewed-by: Aaron Durbin <adurbin@chromium.org>
| -rw-r--r-- | common/button.c | 29 |
1 files changed, 29 insertions, 0 deletions
diff --git a/common/button.c b/common/button.c index 71d1af95fb..531467240b 100644 --- a/common/button.c +++ b/common/button.c @@ -12,6 +12,7 @@ #include "host_command.h" #include "hooks.h" #include "keyboard_protocol.h" +#include "led_common.h" #include "power_button.h" #include "system.h" #include "timer.h" @@ -59,6 +60,30 @@ static int raw_button_pressed(const struct button_config *button) } #ifdef CONFIG_BUTTON_RECOVERY + +#ifdef CONFIG_LED_COMMON +static void button_blink_hw_reinit_led(void) +{ + int led_state = LED_STATE_ON; + timestamp_t deadline; + timestamp_t now = get_time(); + + /* Blink LED for 3 seconds. */ + deadline.val = now.val + (3 * SECOND); + + while (!timestamp_expired(deadline, &now)) { + led_control(EC_LED_ID_RECOVERY_HW_REINIT_LED, led_state); + led_state = !led_state; + watchdog_reload(); + msleep(100); + now = get_time(); + } + + /* Reset LED to default state. */ + led_control(EC_LED_ID_RECOVERY_HW_REINIT_LED, LED_STATE_RESET); +} +#endif + /* * If the EC is reset and recovery is requested, then check if HW_REINIT is * requested as well. Since the EC reset occurs after volup+voldn+power buttons @@ -89,6 +114,10 @@ static void button_check_hw_reinit_required(void) CPRINTS("HW_REINIT requested"); host_set_single_event(EC_HOST_EVENT_KEYBOARD_RECOVERY_HW_REINIT); + +#ifdef CONFIG_LED_COMMON + button_blink_hw_reinit_led(); +#endif } #endif |