video: fbdev: pxafb: Add support for lcd-supply regulator
authorDaniel Mack <daniel@zonque.org>
Tue, 24 Jul 2018 17:11:26 +0000 (19:11 +0200)
committerBartlomiej Zolnierkiewicz <b.zolnierkie@samsung.com>
Tue, 24 Jul 2018 17:11:26 +0000 (19:11 +0200)
commit31e1391af210fdbf177966579a83d14e6a4cd828
treeeaec8fc47773d19c453f4c583de71e53900e7ff2
parenta2f2058e3d295fbaa5f681c1651cb5a8df840966
video: fbdev: pxafb: Add support for lcd-supply regulator

Optionally obtain a lcd-supply regulator during probe and use it in
__pxafb_lcd_power() to switch the power supply of LCD panels.

This helps boards booted from DT to control such voltages without
callbacks.

Signed-off-by: Daniel Mack <daniel@zonque.org>
Reviewed-by: Robert Jarzmik <robert.jarzmik@free.fr>
Signed-off-by: Bartlomiej Zolnierkiewicz <b.zolnierkie@samsung.com>
Documentation/devicetree/bindings/display/marvell,pxa2xx-lcdc.txt
drivers/video/fbdev/pxafb.c
drivers/video/fbdev/pxafb.h