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| author | David <David.Huang@quantatw.com> | 2013-09-13 10:43:27 +0800 |
|---|---|---|
| committer | chrome-internal-fetch <chrome-internal-fetch@google.com> | 2013-10-01 02:44:22 +0000 |
| commit | e540827b9201f2c24fdb6e5839384bf7d2dbe382 (patch) | |
| tree | 3070dae710a2d358586ef8b688818ef01f44e8b2 | |
| parent | 974c50312bd7f384ddefa6ba2bf7488a363891ee (diff) | |
| download | chrome-ec-e540827b9201f2c24fdb6e5839384bf7d2dbe382.tar.gz | |
Implement battery cut-off in leon EC
Implement battery cut-off in leon EC for ectool command 'batterycutoff'
and batteryresume command when AC plug in.
BRANCH=leon
BUG=chrome-os-partner:22567
TEST=manual
1. Use ectool batterycutoff to check battery enter ship mode.
2. Plug in AC and boot on, then plug out AC to check battery
resume from ship mode.
Change-Id: Iec5440f35993eb4b9cb753e2aefe195d99fe8f1c
Signed-off-by: David Huang <David.Huang@quantatw.com>
Reviewed-on: https://chromium-review.googlesource.com/169089
Reviewed-by: Dave Parker <dparker@chromium.org>
| -rw-r--r-- | common/battery_leon.c | 22 |
1 files changed, 22 insertions, 0 deletions
diff --git a/common/battery_leon.c b/common/battery_leon.c index 75a179f291..4daaafc27a 100644 --- a/common/battery_leon.c +++ b/common/battery_leon.c @@ -7,6 +7,14 @@ #include "battery_pack.h" #include "gpio.h" +#include "host_command.h" +#include "smart_battery.h" +#include "extpower.h" +#include "hooks.h" + +#define SB_SHIP_MODE_ADDR 0x35 +#define SB_SHIP_MODE_DATA 0x0004 +#define SB_SHIP_RESET_DATA 0x0003 /* FIXME: We need REAL values for all this stuff */ const struct battery_temperature_ranges bat_temp_ranges = { @@ -33,6 +41,20 @@ const struct battery_info *battery_get_info(void) return &info; } +static void battery_leon_ac_change(void) +{ + if (extpower_is_present()) + sb_write(SB_SHIP_MODE_ADDR, SB_SHIP_RESET_DATA); +} +DECLARE_HOOK(HOOK_AC_CHANGE, battery_leon_ac_change, HOOK_PRIO_DEFAULT); + +int battery_command_cut_off(struct host_cmd_handler_args *args) +{ + return sb_write(SB_SHIP_MODE_ADDR, SB_SHIP_MODE_DATA); +} +DECLARE_HOST_COMMAND(EC_CMD_BATTERY_CUT_OFF, battery_command_cut_off, + EC_VER_MASK(0)); + /** * Physical detection of battery connection. */ |