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>
ca73e251f0