msm: mdss: Avoid mutex lockup in dynamic switching

Calling blank/unblank after locking the backlight mutex will result
in mutex lockup as blank/unblank would again try to aquire the same
lock. Avoid this situation in Dynamic Switching

Change-Id: I7b5e72b964b9994d98b6a3d0771239a5423c5001
Signed-off-by: Shivaraj Shetty <shivaraj@codeaurora.org>
1 file changed