ca73e251f0
Add debugfs setting to route camera logs : ERR, WARN, INFO, DBG to ftrace. Add CAM_TRACE macro for adding any new traces in drivers. Usage: CAM_TRACE : By default printed in ftrace CAM_ERR, CAM_WARN, CAM_INFO, CAM_DBG : enable using debugfs debug_type = 1 or 2 For CAM_DBG : In addition to above enable debug_mdl with required mask. adb shell "echo <value> > /sys/module/camera/parameters/debug_type" All CAM_xx (except CAM_TRACE) logs are routed as below : 0 (default) - only logcat 1 - only ftrace 2 - both logcat and ftrace. CRs-Fixed: 2762931 Change-Id: I5254a7fef346c7ba21a3ea1eed21e5353f42fd03 Signed-off-by: Pavan Kumar Chilamkurthi <pchilamk@codeaurora.org>