rpi-config: Allow setting hdmi_cvt

Signed-off-by: Otavio Salvador <otavio@ossystems.com.br>

2 files changed, 4 insertions, 1 deletions

diff --git a/docs/extra-build-config.md b/docs/extra-build-config.md
index f52c51f..82ec3c0 100644
--- a/docs/extra-build-config.md
+++ b/docs/extra-build-config.md
@@ -99,7 +99,7 @@ selected according to the connected monitor's EDID information and the composite
 mode is defaulted to NTSC using a 4:3 aspect ratio. Check the config.txt for a
 detailed description of options and modes. The following variables are supported in
 local.conf: `HDMI_FORCE_HOTPLUG`, `HDMI_DRIVE`, `HDMI_GROUP`, `HDMI_MODE`,
-`CONFIG_HDMI_BOOST`, `SDTV_MODE`, `SDTV_ASPECT` and `DISPLAY_ROTATE`.
+`HDMI_CVT`, `CONFIG_HDMI_BOOST`, `SDTV_MODE`, `SDTV_ASPECT` and `DISPLAY_ROTATE`.
 
 Example to force HDMI output to 720p in CEA mode:
 
diff --git a/recipes-bsp/bootfiles/rpi-config_git.bb b/recipes-bsp/bootfiles/rpi-config_git.bb
index c1c5340..583144d 100644
--- a/recipes-bsp/bootfiles/rpi-config_git.bb
+++ b/recipes-bsp/bootfiles/rpi-config_git.bb
@@ -105,6 +105,9 @@ do_deploy() {
     if [ -n "${HDMI_MODE}" ]; then
         sed -i '/#hdmi_mode=/ c\hdmi_mode=${HDMI_MODE}' $CONFIG
     fi
+    if [ -n "${HDMI_CVT}" ]; then
+        echo 'hdmi_cvt=${HDMI_CVT}' >> $CONFIG
+    fi
     if [ -n "${CONFIG_HDMI_BOOST}" ]; then
         sed -i '/#config_hdmi_boost=/ c\config_hdmi_boost=${CONFIG_HDMI_BOOST}' $CONFIG
     fi