-From e26366439123ef9f20f7728942f35937035c9c73 Mon Sep 17 00:00:00 2001
+From 9c6c1cef21569d9a0ef62b7d621f864e5db89994 Mon Sep 17 00:00:00 2001
From: popcornmix <popcornmix@gmail.com>
Date: Fri, 29 Apr 2016 17:27:36 +0100
Subject: [PATCH] Revert "bcm2835: do not require substream for accessing chmap