diff options
| -rw-r--r-- | driver/tcpm/ps8xxx.c | 7 |
1 files changed, 7 insertions, 0 deletions
diff --git a/driver/tcpm/ps8xxx.c b/driver/tcpm/ps8xxx.c index 3bc85f48e8..4643c669c0 100644 --- a/driver/tcpm/ps8xxx.c +++ b/driver/tcpm/ps8xxx.c @@ -560,6 +560,9 @@ static int ps8805_make_device_id(int port, int *id) * identify the chip as A1. * * See b/159289062. + * + * The ps8815 A2 reports device ID 0x0001 instead of 0x0003 when the + * firmware is bad (mis-programmed). */ static int ps8815_make_device_id(int port, int *id) { @@ -574,6 +577,7 @@ static int ps8815_make_device_id(int port, int *id) &val); if (status != EC_SUCCESS) return status; + switch (val) { case 0x0a00: *id = 1; @@ -581,6 +585,9 @@ static int ps8815_make_device_id(int port, int *id) case 0x0a01: *id = 2; break; + case 0x0a02: + *id = 3; + break; default: return EC_ERROR_UNKNOWN; } |