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msm: mdss: Add support to read BL level for userspace
authorXu Yang <yangxu@codeaurora.org>
Thu, 23 Mar 2017 07:58:19 +0000 (15:58 +0800)
committerXu Yang <yangxu@codeaurora.org>
Mon, 27 Mar 2017 07:27:11 +0000 (15:27 +0800)
commit91939509bccbc2bb5aea7c4d1ad671406026faa9
tree6cbf7a60e04726323c30ea63e01c62190d5a8501
parentba53c4518c7bf3b3abda54284cfb2a6d2175749b
msm: mdss: Add support to read BL level for userspace

Add parameter to indicate backlight level set from
userspace. And get the value by sysfs read function.

Change-Id: Iaecb0076e1f664fe87f3351edeecce40935cbae4
Signed-off-by: Xu Yang <yangxu@codeaurora.org>
drivers/video/fbdev/msm/mdss_fb.c
drivers/video/fbdev/msm/mdss_fb.h
drivers/video/fbdev/msm/mdss_mdp_ctl.c