rpi-config: Add RPI_EXTRA_CONFIG option

The variable RPI_EXTRA_CONFIG can be set in local.conf to append text to the
Raspberry Pi config.txt file as described in the documentation.

Signed-off-by: Paul Barker <pbarker@toganlabs.com>

1 files changed, 3 insertions, 0 deletions

diff --git a/recipes-bsp/bootfiles/rpi-config_git.bb b/recipes-bsp/bootfiles/rpi-config_git.bb
index ca4160b..49758ac 100644
--- a/recipes-bsp/bootfiles/rpi-config_git.bb
+++ b/recipes-bsp/bootfiles/rpi-config_git.bb
@@ -127,6 +127,9 @@ do_deploy() {
         echo "hdmi_cvt 1024 600 60 6 0 0 0" >> ${DEPLOYDIR}/bcm2835-bootfiles/config.txt
         echo "hdmi_drive=1" >> ${DEPLOYDIR}/bcm2835-bootfiles/config.txt
     fi
+
+    # Append extra config if the user has provided any
+    echo "${RPI_EXTRA_CONFIG}" >> ${DEPLOYDIR}/bcm2835-bootfiles/config.txt
 }
 
 do_deploy_append_raspberrypi3-64() {