diff options
| author | Vic Yang <victoryang@chromium.org> | 2013-04-02 15:52:31 +0800 |
|---|---|---|
| committer | ChromeBot <chrome-bot@google.com> | 2013-04-02 20:42:48 -0700 |
| commit | 13c74da5ade0b98c9c024bf72e0c78c5155a8d08 (patch) | |
| tree | 7143a4f6cb56532d93179522ae6dc9eb993eda20 /util | |
| parent | 3c9827a64643008fbac1970871097512c6a24293 (diff) | |
| download | chrome-ec-13c74da5ade0b98c9c024bf72e0c78c5155a8d08.tar.gz | |
spring: Add host command to limit external power current
This is useful for debugging and the factory.
BUG=chrome-os-partner:18530
TEST=On spring, check we can set PWM duty cycle and can go back to
automatic control.
BRANCH=spring
Change-Id: I3da75f0a356cc0f21d748bf135e3b95fbd9c465b
Signed-off-by: Vic Yang <victoryang@chromium.org>
Reviewed-on: https://gerrit.chromium.org/gerrit/47105
Reviewed-by: Vincent Palatin <vpalatin@chromium.org>
Diffstat (limited to 'util')
| -rw-r--r-- | util/ectool.c | 26 |
1 files changed, 26 insertions, 0 deletions
diff --git a/util/ectool.c b/util/ectool.c index 0332ea6c45..09166b4ae3 100644 --- a/util/ectool.c +++ b/util/ectool.c @@ -28,6 +28,8 @@ static inline int MIN(int a, int b) { return a < b ? a : b; } const char help_str[] = "Commands:\n" + " extpwrcurrentlimit\n" + " Set the maximum external power current\n" " autofanctrl <on>\n" " Turn on automatic fan speed control.\n" " backlight <enabled>\n" @@ -2024,6 +2026,29 @@ int cmd_lcd_backlight(int argc, char *argv[]) } +int cmd_ext_power_current_limit(int argc, char *argv[]) +{ + struct ec_params_ext_power_current_limit p; + int rv; + char *e; + + if (argc != 2) { + fprintf(stderr, "Usage: %s <max_current_mA>\n", argv[0]); + return -1; + } + + p.limit = strtol(argv[1], &e, 0); + if (e && *e) { + fprintf(stderr, "Bad value.\n"); + return -1; + } + + rv = ec_command(EC_CMD_EXT_POWER_CURRENT_LIMIT, 0, &p, sizeof(p), + NULL, 0); + return rv; +} + + int cmd_charge_current_limit(int argc, char *argv[]) { struct ec_params_current_limit p; @@ -2730,6 +2755,7 @@ struct command { /* NULL-terminated list of commands */ const struct command commands[] = { + {"extpwrcurrentlimit", cmd_ext_power_current_limit}, {"autofanctrl", cmd_thermal_auto_fan_ctrl}, {"backlight", cmd_lcd_backlight}, {"battery", cmd_battery}, |