d74902f0cf
Add support to dump the cdm core debug registers and CDM hang detect support for better debugging purpose in case of cdm timeout at config ife. Add a debugfs for CDM command buffer dump for cdm hang events. Fix the possible NULL derefernce while dumping the cdm registers. Turn on debugfs using following command in adb shell: echo 1 >> /sys/kernel/debug/camera_isp_ctx/enable_cdm_cmd_buffer_dump. CRs-Fixed: 2748715, 2782720, 2770565 Change-Id: Ibb9aa1d232d742ca1b6e64c16e9718bfc0bc8624 Signed-off-by: Jigar Agrawal <jigar@codeaurora.org>