diff options
Diffstat (limited to 'driver/nfc')
| -rw-r--r-- | driver/nfc/ctn730.c | 11 |
1 files changed, 11 insertions, 0 deletions
diff --git a/driver/nfc/ctn730.c b/driver/nfc/ctn730.c index 6f711c509e..775149e659 100644 --- a/driver/nfc/ctn730.c +++ b/driver/nfc/ctn730.c @@ -390,6 +390,17 @@ static int _process_payload_event(struct pchg *ctx, struct ctn730_msg *res) CPRINTS("Download Mode (%s)", _text_reset_reason(buf[1])); ctx->event = PCHG_EVENT_RESET; + /* + * CTN730 sends a reset event to notify us it entered + * download mode unintentionally (e.g. corrupted FW). + * In such cases, we stay in download mode to avoid an + * infinite loop. + * + * If it's intended, we leave alone the mode, respecting + * the mode set by the PCHG task. + */ + if (buf[1] != WLC_HOST_CTRL_RESET_REASON_INTENDED) + ctx->mode = PCHG_MODE_DOWNLOAD; } else { return EC_ERROR_INVAL; } |