--- zzzz-none-000/linux-3.10.107/Documentation/DocBook/media/v4l/lirc_device_interface.xml	2017-06-27 09:49:32.000000000 +0000
+++ scorpion-7490-727/linux-3.10.107/Documentation/DocBook/media/v4l/lirc_device_interface.xml	2021-02-04 17:41:59.000000000 +0000
@@ -46,7 +46,9 @@
 values. Pulses and spaces are only marked implicitly by their position. The
 data must start and end with a pulse, therefore, the data must always include
 an uneven number of samples. The write function must block until the data has
-been transmitted by the hardware.</para>
+been transmitted by the hardware. If more data is provided than the hardware
+can send, the driver returns EINVAL.</para>
+
 </section>
 
 <section id="lirc_ioctl">