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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
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