recipes/linux/linux-2.6.18/ltv350qv-add-initial_power_state-param.patch


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Index: linux-2.6.18/drivers/video/backlight/ltv350qv.c
===================================================================
--- linux-2.6.18.orig/drivers/video/backlight/ltv350qv.c	2007-01-11 14:55:39.000000000 +0100
+++ linux-2.6.18/drivers/video/backlight/ltv350qv.c	2007-01-11 14:59:23.000000000 +0100
@@ -19,6 +19,11 @@
 
 #define POWER_IS_ON(pwr)	((pwr) <= FB_BLANK_NORMAL)
 
+static int initial_power_state = FB_BLANK_POWERDOWN;
+
+module_param(initial_power_state, int, S_IRUSR | S_IWUSR | S_IRGRP | S_IROTH);
+MODULE_PARM_DESC(initial_power_state, "Set initial power state of LCD");
+
 struct ltv350qv {
 	struct spi_device *spi;
 	u8 *buffer;
@@ -178,7 +183,7 @@
 		return -ENOMEM;
 
 	lcd->spi = spi;
-	lcd->power = FB_BLANK_POWERDOWN;
+	lcd->power = initial_power_state;
 	init_MUTEX(&lcd->lock);
 	lcd->buffer = kzalloc(8, GFP_KERNEL);