Merge branch 'core/topology' of git://git.kernel.org/pub/scm/linux/kernel/git/tip...

[pandora-kernel.git] / arch / arm / mach-pxa / mainstone.c

diff --git a/arch/arm/mach-pxa/mainstone.c b/arch/arm/mach-pxa/mainstone.c
index 7399fb3..f2e9e7c 100644 (file)
--- a/arch/arm/mach-pxa/mainstone.c
+++ b/arch/arm/mach-pxa/mainstone.c
@@ -23,9 +23,9 @@
 #include <linux/ioport.h>
 #include <linux/mtd/mtd.h>
 #include <linux/mtd/partitions.h>
-#include <linux/backlight.h>
 #include <linux/input.h>
 #include <linux/gpio_keys.h>
+#include <linux/pwm_backlight.h>
 
 #include <asm/types.h>
 #include <asm/setup.h>
@@ -280,12 +280,6 @@ static pxa2xx_audio_ops_t mst_audio_ops = {
        .resume         = mst_audio_resume,
 };
 
-static struct platform_device mst_audio_device = {
-       .name           = "pxa2xx-ac97",
-       .id             = -1,
-       .dev            = { .platform_data = &mst_audio_ops },
-};
-
 static struct resource flash_resources[] = {
        [0] = {
                .start  = PXA_CS0_PHYS,
@@ -349,56 +343,27 @@ static struct platform_device mst_flash_device[2] = {
        },
 };
 
-#ifdef CONFIG_BACKLIGHT_CLASS_DEVICE
-static int mainstone_backlight_update_status(struct backlight_device *bl)
-{
-       int brightness = bl->props.brightness;
-
-       if (bl->props.power != FB_BLANK_UNBLANK ||
-           bl->props.fb_blank != FB_BLANK_UNBLANK)
-               brightness = 0;
-
-       if (brightness != 0)
-               pxa_set_cken(CKEN_PWM0, 1);
-
-       PWM_CTRL0 = 0;
-       PWM_PWDUTY0 = brightness;
-       PWM_PERVAL0 = bl->props.max_brightness;
-
-       if (brightness == 0)
-               pxa_set_cken(CKEN_PWM0, 0);
-       return 0; /* pointless return value */
-}
-
-static int mainstone_backlight_get_brightness(struct backlight_device *bl)
-{
-       return PWM_PWDUTY0;
-}
+#if defined(CONFIG_FB_PXA) || defined(CONFIG_FB_PXA_MODULE)
+static struct platform_pwm_backlight_data mainstone_backlight_data = {
+       .pwm_id         = 0,
+       .max_brightness = 1023,
+       .dft_brightness = 1023,
+       .pwm_period_ns  = 78770,
+};
 
-static /*const*/ struct backlight_ops mainstone_backlight_ops = {
-       .update_status  = mainstone_backlight_update_status,
-       .get_brightness = mainstone_backlight_get_brightness,
+static struct platform_device mainstone_backlight_device = {
+       .name           = "pwm-backlight",
+       .dev            = {
+               .parent = &pxa27x_device_pwm0.dev,
+               .platform_data = &mainstone_backlight_data,
+       },
 };
 
 static void __init mainstone_backlight_register(void)
 {
-       struct backlight_device *bl;
-
-       bl = backlight_device_register("mainstone-bl", &pxa_device_fb.dev,
-                                      NULL, &mainstone_backlight_ops);
-       if (IS_ERR(bl)) {
-               printk(KERN_ERR "mainstone: unable to register backlight: %ld\n",
-                      PTR_ERR(bl));
-               return;
-       }
-
-       /*
-        * broken design - register-then-setup interfaces are
-        * utterly broken by definition.
-        */
-       bl->props.max_brightness = 1023;
-       bl->props.brightness = 1023;
-       backlight_update_status(bl);
+       int ret = platform_device_register(&mainstone_backlight_device);
+       if (ret)
+               printk(KERN_ERR "mainstone: failed to register backlight device: %d\n", ret);
 }
 #else
 #define mainstone_backlight_register() do { } while (0)
@@ -528,7 +493,6 @@ static struct platform_device mst_gpio_keys_device = {
 
 static struct platform_device *platform_devices[] __initdata = {
        &smc91x_device,
-       &mst_audio_device,
        &mst_flash_device[0],
        &mst_flash_device[1],
        &mst_gpio_keys_device,
@@ -638,6 +602,7 @@ static void __init mainstone_init(void)
        pxa_set_ficp_info(&mainstone_ficp_platform_data);
        pxa_set_ohci_info(&mainstone_ohci_platform_data);
        pxa_set_i2c_info(NULL);
+       pxa_set_ac97_info(&mst_audio_ops);
 
        mainstone_init_keypad();
 }