3 files changed, 79 insertions, 0 deletions
diff --git a/arch/arm/mach-pxa/corgi.c b/arch/arm/mach-pxa/corgi.c
index fc428b82767..426c2bc517e 100644
--- a/arch/arm/mach-pxa/corgi.c
+++ b/arch/arm/mach-pxa/corgi.c
@@ -109,10 +109,16 @@ struct corgissp_machinfo corgi_ssp_machinfo = {
 /*
  * Corgi Backlight Device
  */
+static struct corgibl_machinfo corgi_bl_machinfo = {
+	.max_intensity = 0x2f,
+	.set_bl_intensity = corgi_bl_set_intensity,
+};
+
 static struct platform_device corgibl_device = {
 	.name		= "corgi-bl",
 	.dev		= {
  		.parent = &corgifb_device.dev,
+		.platform_data	= &corgi_bl_machinfo,
 	},
 	.id		= -1,
 };
diff --git a/arch/arm/mach-pxa/corgi_lcd.c b/arch/arm/mach-pxa/corgi_lcd.c
index bfe5efc11b8..c5efcd04fcb 100644
--- a/arch/arm/mach-pxa/corgi_lcd.c
+++ b/arch/arm/mach-pxa/corgi_lcd.c
@@ -498,3 +498,68 @@ void spitz_wait_hsync(void)
 	sharpsl_wait_sync(SPITZ_GPIO_HSYNC);
 }
 #endif
+
+/*
+ * Corgi/Spitz Backlight Power
+ */
+#ifdef CONFIG_PXA_SHARP_C7xx
+void corgi_bl_set_intensity(int intensity)
+{
+	if (intensity > 0x10)
+		intensity += 0x10;
+
+	/* Bits 0-4 are accessed via the SSP interface */
+	corgi_ssp_blduty_set(intensity & 0x1f);
+
+	/* Bit 5 is via SCOOP */
+	if (intensity & 0x0020)
+		set_scoop_gpio(&corgiscoop_device.dev, CORGI_SCP_BACKLIGHT_CONT);
+	else
+		reset_scoop_gpio(&corgiscoop_device.dev, CORGI_SCP_BACKLIGHT_CONT);
+}
+#endif
+
+
+#if defined(CONFIG_MACH_SPITZ) || defined(CONFIG_MACH_BORZOI)
+void spitz_bl_set_intensity(int intensity)
+{
+	if (intensity > 0x10)
+		intensity += 0x10;
+
+	/* Bits 0-4 are accessed via the SSP interface */
+	corgi_ssp_blduty_set(intensity & 0x1f);
+
+	/* Bit 5 is via SCOOP */
+	if (intensity & 0x0020)
+		reset_scoop_gpio(&spitzscoop2_device.dev, SPITZ_SCP2_BACKLIGHT_CONT);
+	else
+		set_scoop_gpio(&spitzscoop2_device.dev, SPITZ_SCP2_BACKLIGHT_CONT);
+
+	if (intensity)
+		set_scoop_gpio(&spitzscoop2_device.dev, SPITZ_SCP2_BACKLIGHT_ON);
+	else
+		reset_scoop_gpio(&spitzscoop2_device.dev, SPITZ_SCP2_BACKLIGHT_ON);
+}
+#endif
+
+#ifdef CONFIG_MACH_AKITA
+void akita_bl_set_intensity(int intensity)
+{
+	if (intensity > 0x10)
+		intensity += 0x10;
+
+	/* Bits 0-4 are accessed via the SSP interface */
+	corgi_ssp_blduty_set(intensity & 0x1f);
+
+	/* Bit 5 is via IO-Expander */
+	if (intensity & 0x0020)
+		akita_reset_ioexp(&akitaioexp_device.dev, AKITA_IOEXP_BACKLIGHT_CONT);
+	else
+		akita_set_ioexp(&akitaioexp_device.dev, AKITA_IOEXP_BACKLIGHT_CONT);
+
+	if (intensity)
+		akita_set_ioexp(&akitaioexp_device.dev, AKITA_IOEXP_BACKLIGHT_ON);
+	else
+		akita_reset_ioexp(&akitaioexp_device.dev, AKITA_IOEXP_BACKLIGHT_ON);
+}
+#endif
diff --git a/arch/arm/mach-pxa/sharpsl.h b/arch/arm/mach-pxa/sharpsl.h
index 7007d8a1c5c..3977a77aacd 100644
--- a/arch/arm/mach-pxa/sharpsl.h
+++ b/arch/arm/mach-pxa/sharpsl.h
@@ -15,6 +15,14 @@ struct corgissp_machinfo {
 void corgi_ssp_set_machinfo(struct corgissp_machinfo *machinfo);
 
 /*
+ * SharpSL Backlight
+ */
+
+void corgi_bl_set_intensity(int intensity);
+void spitz_bl_set_intensity(int intensity);
+void akita_bl_set_intensity(int intensity);
+
+/*
  * SharpSL Touchscreen Driver
  */