This patch implements the 'pattern_set'and 'pattern_clear'
interfaces to support SC27XX LED breathing mode.
Signed-off-by: NBaolin Wang <baolin.wang@linaro.org>
Acked-by: NPavel Machek <pavel@ucw.c>
Signed-off-by: NJacek Anaszewski <jacek.anaszewski@gmail.com>