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From 6035b76b940c71e30824921271e8c3da8047f869 Mon Sep 17 00:00:00 2001
From: Thomas White <taw@bitwiz.org.uk>
Date: Sat, 21 Nov 2009 21:42:16 +0100
Subject: [PATCH 4/4] Add JBT6k74 hook for use by KMS

Signed-off-by: Thomas White <taw@bitwiz.org.uk>
---
 drivers/video/backlight/jbt6k74.c |   18 ++++++++++++++++++
 1 files changed, 18 insertions(+), 0 deletions(-)

diff --git a/drivers/video/backlight/jbt6k74.c b/drivers/video/backlight/jbt6k74.c
index b1aacb7..b9d02f2 100644
--- a/drivers/video/backlight/jbt6k74.c
+++ b/drivers/video/backlight/jbt6k74.c
@@ -688,6 +688,22 @@ static int jbt6k74_get_power(struct lcd_device *ld)
 	}
 }
 
+/* This is utterly, totally horrible.  I'm REALLY sorry... */
+struct jbt_info *jbt_global;
+void jbt6k74_action(int val)
+{
+	if ( !jbt_global ) {
+		printk(KERN_CRIT "JBT not initialised!!!\n");
+		return;
+	}
+	if ( val == 0 ) {
+		jbt6k74_enter_power_mode(jbt_global, JBT_POWER_MODE_SLEEP);
+	} else {
+		jbt6k74_enter_power_mode(jbt_global, JBT_POWER_MODE_NORMAL);
+	}
+}
+EXPORT_SYMBOL_GPL(jbt6k74_action);
+
 struct lcd_ops jbt6k74_lcd_ops = {
 	.set_power = jbt6k74_set_power,
 	.get_power = jbt6k74_get_power,
@@ -718,6 +734,8 @@ static int __devinit jbt_probe(struct spi_device *spi)
 	if (!jbt)
 		return -ENOMEM;
 
+	jbt_global = jbt;
+
 	jbt->spi = spi;
 
 	jbt->lcd_dev = lcd_device_register("jbt6k74-lcd", &spi->dev, jbt,
-- 
1.6.5.3