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| author | Gwendal Grignou <gwendal@chromium.org> | 2016-05-02 16:50:27 -0700 |
|---|---|---|
| committer | chrome-bot <chrome-bot@chromium.org> | 2016-06-22 02:03:09 -0700 |
| commit | 00aef53a7b4c1a302b8f1448f2c634712c7b77eb (patch) | |
| tree | 677b36ee77c3ccc7bee7abf1dc664dff5d227d22 /common/mkbp_event.c | |
| parent | 9ceaa9d8e0706a4a7f416e76d8b0248579b54939 (diff) | |
| download | chrome-ec-00aef53a7b4c1a302b8f1448f2c634712c7b77eb.tar.gz | |
mkpb: Add MKBP support over ACPI
Add a host event to support MKPB:
When sent, the ACPI code will send a notification to the kernel
cros-ec-lpcs driver that will issue EC_CMD_GET_NEXT_EVENT.
We can allow code (sensor stack for instance) that uses MKBP to work
on ACPI based architecture.
Obviously, host event over MKPB is not supported.
BRANCH=none
BUG=b:27849483
TEST=Check we get sensor events on Cyan through the sensor ring.
(cyan branch)
Change-Id: Iadc9c852b410cf69ef15bcbbb1b086c36687c687
Signed-off-by: Gwendal Grignou <gwendal@chromium.org>
Reviewed-on: https://chromium-review.googlesource.com/353634
Reviewed-by: Randall Spangler <rspangler@chromium.org>
Diffstat (limited to 'common/mkbp_event.c')
| -rw-r--r-- | common/mkbp_event.c | 5 |
1 files changed, 5 insertions, 0 deletions
diff --git a/common/mkbp_event.c b/common/mkbp_event.c index 95bb4fd3f5..60ca19d645 100644 --- a/common/mkbp_event.c +++ b/common/mkbp_event.c @@ -36,7 +36,12 @@ static int event_is_set(uint8_t event_type) static void set_host_interrupt(int active) { /* interrupt host by using active low EC_INT signal */ +#ifdef CONFIG_MKBP_USE_HOST_EVENT + if (active) + host_set_single_event(EC_HOST_EVENT_MKBP); +#else gpio_set_level(GPIO_EC_INT_L, !active); +#endif } void mkbp_send_event(uint8_t event_type) |