touch:fts: modify read_heatmap_raw signature

To remove the vla(variable-length arrays) used in heatmap driver,
we modify the signature of read_heatmap_raw function.

Bug: 139783401
Test: Use v4l-heatmap-viewer.apk(provided in bug) to check touch heatmap is workable.

Signed-off-by: davidycchen <davidycchen@google.com>
Signed-off-by: Wilson Sung <wilsonsung@google.com>
(cherry picked from commit 1a5fb2b6156b6f546c18b8c6a2184628a7d9f88e)
Change-Id: Ic3b934f85531653a50b7611d7e2f576343d41080
1 file changed
tree: 4966d88cd7e87b15d7965d2f2f5f650df8e6ff69
  1. fts_lib/
  2. fts.c
  3. fts.h
  4. fts_limits.h
  5. fts_proc.c
  6. Kbuild
  7. Kconfig
  8. Makefile