video: s3c-fb: add alpha value width setting
authorJingoo Han <jg1.han@samsung.com>
Fri, 27 Jan 2012 05:47:22 +0000 (14:47 +0900)
committerFlorian Tobias Schandinat <FlorianSchandinat@gmx.de>
Sat, 28 Jan 2012 20:58:09 +0000 (20:58 +0000)
commitf7f31e505aa79d91b979a38789b1608744361bdc
tree27dba9088af5473eeefeb2f40b75a64b1ac855da
parent05e52b4bfba0d1fa4195abbc4ac29c24033c8e96
video: s3c-fb: add alpha value width setting

This patch adds alpha value width setting according to
transparency value of each window format, using BLENDCON
register. When alpha value is 8 bits, BLENDCON will set
alpha value width as 8 bits.

Signed-off-by: Jingoo Han <jg1.han@samsung.com>
Signed-off-by: Florian Tobias Schandinat <FlorianSchandinat@gmx.de>
arch/arm/plat-samsung/include/plat/regs-fb.h
drivers/video/s3c-fb.c