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c18e6ea101
The lightbar driver never assigned the drvdata in probe method, and thus there is nothing there. Need to get the ec_dev from the parent's drvdata. Signed-off-by: Rajat Jain <rajatja@google.com> Reviewed-by: Gwendal Grignou <gwendal@chromium.org> Signed-off-by: Enric Balletbo i Serra <enric.balletbo@collabora.com>