diff options
| author | ChromeOS Developer <dparker@chromium.org> | 2014-01-14 21:23:50 -0800 |
|---|---|---|
| committer | chrome-internal-fetch <chrome-internal-fetch@google.com> | 2014-02-06 01:22:17 +0000 |
| commit | c35251d662ad91cdb680cb9de1b09c7b2d16f069 (patch) | |
| tree | ad0d09eac9a8a924dc6817efcd88fd5e265ea651 /common/battery.c | |
| parent | 7c588a329203987af1f959d49683574a839f0a0f (diff) | |
| download | chrome-ec-c35251d662ad91cdb680cb9de1b09c7b2d16f069.tar.gz | |
Add configs for battery detect via gpio or custom function
BUG=chrome-os-partner:24649
BRANCH=baytrail
TEST=Boot target device w/o battery. There should be no 30 second
delay prior to boot.
Change-Id: If7a60919701d1c241670d0b32e04f3e188a643f1
Signed-off-by: Dave Parker <dparker@chromium.org>
Reviewed-on: https://chromium-review.googlesource.com/182921
Reviewed-by: Randall Spangler <rspangler@chromium.org>
Diffstat (limited to 'common/battery.c')
| -rw-r--r-- | common/battery.c | 16 |
1 files changed, 16 insertions, 0 deletions
diff --git a/common/battery.c b/common/battery.c index 8794027562..7f318646a3 100644 --- a/common/battery.c +++ b/common/battery.c @@ -6,11 +6,27 @@ */ #include "battery.h" +#include "common.h" #include "console.h" +#include "gpio.h" #include "timer.h" #include "util.h" #include "watchdog.h" +#ifdef CONFIG_BATTERY_PRESENT_GPIO +#ifdef CONFIG_BATTERY_PRESENT_CUSTOM +#error "Don't define both CONFIG_BATTERY_PRESENT_CUSTOM and" \ + "CONFIG_BATTERY_PRESENT_GPIO" +#endif +/** + * Physical detection of battery. + */ +int battery_is_present(void) +{ + return (gpio_get_level(CONFIG_BATTERY_PRESENT_GPIO) == 0); +} +#endif + static const char *get_error_text(int rv) { if (rv == EC_ERROR_UNIMPLEMENTED) |