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-rw-r--r--util/ectool.c6
1 files changed, 6 insertions, 0 deletions
diff --git a/util/ectool.c b/util/ectool.c
index e6283f0a0a..b72f28ee13 100644
--- a/util/ectool.c
+++ b/util/ectool.c
@@ -2085,6 +2085,12 @@ int cmd_battery(int argc, char *argv[])
char batt_text[EC_MEMMAP_TEXT_MAX];
int rv, val;
+ val = read_mapped_mem8(EC_MEMMAP_BATTERY_VERSION);
+ if (val < 1) {
+ printf("Command not supported\n");
+ return -1;
+ }
+
printf("Battery info:\n");
rv = read_mapped_string(EC_MEMMAP_BATT_MFGR, batt_text);