linux-wandboard

OMAPDSS: DISPC: Flush posted writes when enabling outputs

Flush posted write in _enable_lcd_out() and _enable_digit_out(). This
ensures the the lcd/digit bit is written before the code starts waiting
for interrupts about enabling/disabling the output.

Signed-off-by: Tomi Valkeinen <tomi.valkeinen@ti.com>