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-rw-r--r--arch/arm/mach-pxa/corgi.c6
-rw-r--r--arch/arm/mach-pxa/corgi_lcd.c65
-rw-r--r--arch/arm/mach-pxa/sharpsl.h8
3 files changed, 79 insertions, 0 deletions
diff --git a/arch/arm/mach-pxa/corgi.c b/arch/arm/mach-pxa/corgi.c
index fc428b827671..426c2bc517eb 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 bfe5efc11b8a..c5efcd04fcbc 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 7007d8a1c5c5..3977a77aacdd 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
*/