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-rw-r--r--include/ec_commands.h2
-rw-r--r--util/ectool.c13
2 files changed, 12 insertions, 3 deletions
diff --git a/include/ec_commands.h b/include/ec_commands.h
index b67f93dde2..f20113cf9c 100644
--- a/include/ec_commands.h
+++ b/include/ec_commands.h
@@ -4887,6 +4887,8 @@ struct __ec_align4 ec_response_fp_mode {
/* Number of dead pixels detected on the last maintenance */
#define FP_ERROR_DEAD_PIXELS(errors) ((errors) & 0x3FF)
+/* Unknown number of dead pixels detected on the last maintenance */
+#define FP_ERROR_DEAD_PIXELS_UNKNOWN (0x3FF)
/* No interrupt from the sensor */
#define FP_ERROR_NO_IRQ (1 << 12)
/* SPI communication error */
diff --git a/util/ectool.c b/util/ectool.c
index cc4aaa8bdc..f1de218278 100644
--- a/util/ectool.c
+++ b/util/ectool.c
@@ -1253,6 +1253,7 @@ int cmd_fp_info(int argc, char *argv[])
int cmdver = ec_cmd_version_supported(EC_CMD_FP_INFO, 1) ? 1 : 0;
int rsize = cmdver == 1 ? sizeof(r)
: sizeof(struct ec_response_fp_info_v0);
+ uint16_t dead;
rv = ec_command(EC_CMD_FP_INFO, cmdver, NULL, 0, &r, rsize);
if (rv < 0)
@@ -1261,12 +1262,18 @@ int cmd_fp_info(int argc, char *argv[])
printf("Fingerprint sensor: vendor %x product %x model %x version %x\n",
r.vendor_id, r.product_id, r.model_id, r.version);
printf("Image: size %dx%d %d bpp\n", r.width, r.height, r.bpp);
- printf("Error flags: %s%s%s%s\nDead pixels: %u\n",
+ printf("Error flags: %s%s%s%s\n",
r.errors & FP_ERROR_NO_IRQ ? "NO_IRQ " : "",
r.errors & FP_ERROR_SPI_COMM ? "SPI_COMM " : "",
r.errors & FP_ERROR_BAD_HWID ? "BAD_HWID " : "",
- r.errors & FP_ERROR_INIT_FAIL ? "INIT_FAIL " : "",
- FP_ERROR_DEAD_PIXELS(r.errors));
+ r.errors & FP_ERROR_INIT_FAIL ? "INIT_FAIL " : "");
+ dead = FP_ERROR_DEAD_PIXELS(r.errors);
+ if (dead == FP_ERROR_DEAD_PIXELS_UNKNOWN) {
+ printf("Dead pixels: UNKNOWN\n");
+ } else {
+ printf("Dead pixels: %u\n", dead);
+ }
+
if (cmdver == 1) {
printf("Templates: size %d count %d/%d dirty bitmap %x\n",
r.template_size, r.template_valid, r.template_max,