be832f781d
[ Upstream commit 840fe258332544aa7321921e1723d37b772af7a9 ]
As the ht16k33 frame buffer sub-driver does not register an
fb_ops.fb_blank() handler, blanking does not work:
$ echo 1 > /sys/class/graphics/fb0/blank
sh: write error: Invalid argument
Fix this by providing a handler that always returns zero, to make sure
blank events will be sent to the actual device handling the backlight.
Reported-by: Robin van der Gracht <robin@protonic.nl>
Suggested-by: Robin van der Gracht <robin@protonic.nl>
Fixes:
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|---|---|---|
| .. | ||
| Kconfig | ||
| Makefile | ||
| arm-charlcd.c | ||
| cfag12864b.c | ||
| cfag12864bfb.c | ||
| charlcd.c | ||
| charlcd.h | ||
| hd44780.c | ||
| ht16k33.c | ||
| img-ascii-lcd.c | ||
| ks0108.c | ||
| panel.c | ||