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 6, 2023 · 26110a8 · 26110a8
1 parent ec642b6
commit 26110a8
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->usb_always_on) {
+		warnx("disabling USB, use ^A V to enable");
+		device_usb(device, false);
+	}
 }
 
 void device_send_break(struct device *device)