diff options
| author | Nicolas Boichat <drinkcat@chromium.org> | 2018-03-27 15:49:26 +0800 |
|---|---|---|
| committer | chrome-bot <chrome-bot@chromium.org> | 2018-03-28 23:23:31 -0700 |
| commit | 8fb18f174ce9aac91c5fc41ebe4b12c0aa746ba0 (patch) | |
| tree | 857d5ff4896ea66a64851361dcdf16beb4a8ae68 /common/ec_ec_comm_slave.c | |
| parent | 46b2618d72f67570a2a77711889b670aa64c6c51 (diff) | |
| download | chrome-ec-8fb18f174ce9aac91c5fc41ebe4b12c0aa746ba0.tar.gz | |
common/ec_ec_comm_master/slave: Add support for EC hibernate
Allows the lid to hibernate the base.
BRANCH=none
BUG=b:71874971
TEST=With following change, lid hibernates the base when in S5,
and no AC is connected.
Change-Id: I8c8017d638442ba8b17c8117d0b1b31f3538925f
Signed-off-by: Nicolas Boichat <drinkcat@chromium.org>
Reviewed-on: https://chromium-review.googlesource.com/981914
Reviewed-by: Randall Spangler <rspangler@chromium.org>
Diffstat (limited to 'common/ec_ec_comm_slave.c')
| -rw-r--r-- | common/ec_ec_comm_slave.c | 34 |
1 files changed, 32 insertions, 2 deletions
diff --git a/common/ec_ec_comm_slave.c b/common/ec_ec_comm_slave.c index 91687bb79a..7abf89d3d8 100644 --- a/common/ec_ec_comm_slave.c +++ b/common/ec_ec_comm_slave.c @@ -17,6 +17,7 @@ #include "hooks.h" #include "queue.h" #include "queue_policies.h" +#include "system.h" #include "task.h" #include "util.h" @@ -122,6 +123,32 @@ static int read_data(void *buffer, size_t len, uint32_t start) return EC_SUCCESS; } +static void handle_cmd_reboot_ec( + const struct ec_params_reboot_ec *params, + int data_len, int seq) +{ + int ret = EC_RES_SUCCESS; + + if (data_len != sizeof(*params)) { + ret = EC_RES_INVALID_COMMAND; + goto out; + } + + /* Only handle hibernate */ + if (params->cmd != EC_REBOOT_HIBERNATE) { + ret = EC_RES_INVALID_PARAM; + goto out; + } + + CPRINTS("Hibernating..."); + + system_hibernate(0, 0); + /* We should not be able to write back the response. */ + +out: + write_response(ret, seq, NULL, 0); +} + #ifdef CONFIG_EC_EC_COMM_BATTERY static void handle_cmd_charger_control( const struct ec_params_charger_control *params, @@ -276,12 +303,15 @@ void ec_ec_comm_slave_task(void *u) &battery_dynamic[BATT_IDX_MAIN], sizeof(battery_dynamic[BATT_IDX_MAIN])); break; - case EC_CMD_CHARGER_CONTROL: { + case EC_CMD_CHARGER_CONTROL: handle_cmd_charger_control((void *)params, header.data_len, seq); break; - } #endif + case EC_CMD_REBOOT_EC: + handle_cmd_reboot_ec((void *)params, + header.data_len, seq); + break; default: write_response(EC_RES_INVALID_COMMAND, seq, NULL, 0); |