backlight: Convert corgi backlight driver into a more generic driver

Convert the corgi backlight driver to a more generic version
so it can be reused by other code rather than being Zaurus/PXA
specific.

Signed-off-by: Richard Purdie <rpurdie@rpsys.net>

2 files changed, 32 insertions, 4 deletions

diff --git a/arch/arm/mach-pxa/corgi.c b/arch/arm/mach-pxa/corgi.c
index aab27297b3c6..2363cc64fe07 100644
--- a/arch/arm/mach-pxa/corgi.c
+++ b/arch/arm/mach-pxa/corgi.c
@@ -20,6 +20,7 @@
 #include <linux/interrupt.h>
 #include <linux/mmc/host.h>
 #include <linux/pm.h>
+#include <linux/backlight.h>
 
 #include <asm/setup.h>
 #include <asm/memory.h>
@@ -142,15 +143,28 @@ struct corgissp_machinfo corgi_ssp_machinfo = {
 /*
  * Corgi Backlight Device
  */
-static struct corgibl_machinfo corgi_bl_machinfo = {
+static void corgi_bl_kick_battery(void)
+{
+        void (*kick_batt)(void);
+
+        kick_batt = symbol_get(sharpsl_battery_kick);
+        if (kick_batt) {
+                kick_batt();
+                symbol_put(sharpsl_battery_kick);
+        }
+}
+
+static struct generic_bl_info corgi_bl_machinfo = {
+        .name = "corgi-bl",
         .max_intensity = 0x2f,
         .default_intensity = 0x1f,
         .limit_mask = 0x0b,
         .set_bl_intensity = corgi_bl_set_intensity,
+        .kick_battery = corgi_bl_kick_battery,
 };
 
 static struct platform_device corgibl_device = {
-        .name           = "corgi-bl",
+        .name           = "generic-bl",
         .dev            = {
                 .parent = &corgifb_device.dev,
                 .platform_data  = &corgi_bl_machinfo,
diff --git a/arch/arm/mach-pxa/spitz.c b/arch/arm/mach-pxa/spitz.c
index bae47e145de8..2d78199d24af 100644
--- a/arch/arm/mach-pxa/spitz.c
+++ b/arch/arm/mach-pxa/spitz.c
@@ -21,6 +21,7 @@
 #include <linux/interrupt.h>
 #include <linux/mmc/host.h>
 #include <linux/pm.h>
+#include <linux/backlight.h>
 
 #include <asm/setup.h>
 #include <asm/memory.h>
@@ -222,14 +223,27 @@ struct corgissp_machinfo spitz_ssp_machinfo = {
 /*
  * Spitz Backlight Device
  */
-static struct corgibl_machinfo spitz_bl_machinfo = {
+static void spitz_bl_kick_battery(void)
+{
+        void (*kick_batt)(void);
+
+        kick_batt = symbol_get(sharpsl_battery_kick);
+        if (kick_batt) {
+                kick_batt();
+                symbol_put(sharpsl_battery_kick);
+        }
+}
+
+static struct generic_bl_info spitz_bl_machinfo = {
+        .name = "corgi-bl",
         .default_intensity = 0x1f,
         .limit_mask = 0x0b,
         .max_intensity = 0x2f,
+        .kick_battery = spitz_bl_kick_battery,
 };
 
 static struct platform_device spitzbl_device = {
-        .name           = "corgi-bl",
+        .name           = "generic-bl",
         .dev            = {
                 .platform_data  = &spitz_bl_machinfo,
         },