check the history for this file
https://github.com/joebonrichie/android_kernel_sony_msm7x27a/blob/cm-11.0/arch/arm/mach-msm/board-msm7x27a.c

you might be looking for this specifically
https://github.com/joebonrichie/android_kernel_sony_msm7x27a/commit/a28152a26a4a1a83f32bc47f4156b0aae2dab36c