Add helper function with returns if HDR mode in on
Signed-off-by: NTejas Upadhyay <tejaskumarx.surendrakumar.upadhyay@intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20210907113658.1351456-1-tejaskumarx.surendrakumar.upadhyay@intel.com
[vsyrjala: fix up alignment to match codingstyle]
Signed-off-by: NVille Syrjälä <ville.syrjala@linux.intel.com>