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Cyan: add battery cutoff command

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The battery of cyan only support specific shipmode command.

BUG=chrome-os-partner:40464
BRANCH=cyan
TEST=verify that "ectool batterycutoff" and "ectool batterycutoff
at-shutdown" are workable.

Change-Id: I48538d57eda77ae798b3b843252df297c2d8fa81
Signed-off-by: Henry Hsu <Henry.Hsu@quantatw.com>
Reviewed-on: https://chromium-review.googlesource.com/272414
Reviewed-by: Mohammed Habibulla <moch@google.com>
This commit is contained in:
Hsu Henry
2015-05-21 14:05:02 +08:00
committed by ChromeOS Commit Bot
parent 6791ac7174
commit 349aaa43da
1 changed files with 3 additions and 11 deletions
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14
board/cyan/battery.c
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@@ -8,8 +8,8 @@
#include "battery.h"
#include "battery_smart.h"
/* Shutdown mode parameter to write to manufacturer access register */
#define SB_SHUTDOWN_DATA 0x0010
#define SB_SHIP_MODE_ADDR 0x3a
#define SB_SHIP_MODE_DATA 0xc574
static const struct battery_info info = {
.voltage_max = 12600,/* mV */
@@ -31,13 +31,5 @@ const struct battery_info *battery_get_info(void)
int board_cut_off_battery(void)
{
int rv;
/* Ship mode command must be sent twice to take effect */
rv = sb_write(SB_MANUFACTURER_ACCESS, SB_SHUTDOWN_DATA);
if (rv != EC_SUCCESS)
return rv;
return sb_write(SB_MANUFACTURER_ACCESS, SB_SHUTDOWN_DATA);
return sb_write(SB_SHIP_MODE_ADDR, SB_SHIP_MODE_DATA);
}