device: Disable USB on boot

Leaving USB connected might cause hickups on the USB bus, and causes power measurements to report incorrect data. Turn it off once the image has been downloaded. Signed-off-by: Bjorn Andersson <[email protected]>
linux-msm · Nov 9, 2023 · 4889c00 · 4889c00
1 parent 494931e
commit 4889c00
Showing 1 changed file with 5 additions and 0 deletions.
diff --git a/device.c b/device.c
@@ -309,6 +309,11 @@ void device_boot(struct device *device, const void *data, size_t len)
 		fastboot_set_active(device->fastboot, device->set_active);
 	fastboot_download(device->fastboot, data, len);
 	device->boot(device);
+
+	if (device->status_enabled && !device->usb_always_on) {
+		warnx("disabling USB, use ^A V to enable");
+		device_usb(device, false);
+	}
 }
 
 void device_send_break(struct device *device)