diff options
| author | Jeff Garzik <jgarzik@pobox.com> | 2005-09-24 00:25:02 -0400 |
|---|---|---|
| committer | Jeff Garzik <jgarzik@pobox.com> | 2005-09-24 00:25:02 -0400 |
| commit | c1d9728ecc5b560465df3c0c0d3b3825c2710b40 (patch) | |
| tree | d0abb5c923a7a3eca2d4b2c3e1964bf484870909 /drivers/video/backlight/corgi_bl.c | |
| parent | 165415f700b0c77fa1f8db6198f48582639adf78 (diff) | |
| parent | 87e807b6c461bbd449496a4c3ab78ab164a4ba97 (diff) | |
Merge /spare/repo/linux-2.6/
Diffstat (limited to 'drivers/video/backlight/corgi_bl.c')
| -rw-r--r-- | drivers/video/backlight/corgi_bl.c | 34 |
1 files changed, 16 insertions, 18 deletions
diff --git a/drivers/video/backlight/corgi_bl.c b/drivers/video/backlight/corgi_bl.c index 353cb3f73cf..630f2dfa969 100644 --- a/drivers/video/backlight/corgi_bl.c +++ b/drivers/video/backlight/corgi_bl.c @@ -19,17 +19,18 @@ #include <linux/fb.h> #include <linux/backlight.h> -#include <asm/arch-pxa/corgi.h> -#include <asm/hardware/scoop.h> +#include <asm/mach-types.h> +#include <asm/arch/sharpsl.h> -#define CORGI_MAX_INTENSITY 0x3e #define CORGI_DEFAULT_INTENSITY 0x1f -#define CORGI_LIMIT_MASK 0x0b +#define CORGI_LIMIT_MASK 0x0b static int corgibl_powermode = FB_BLANK_UNBLANK; static int current_intensity = 0; static int corgibl_limit = 0; +static void (*corgibl_mach_set_intensity)(int intensity); static spinlock_t bl_lock = SPIN_LOCK_UNLOCKED; +static struct backlight_properties corgibl_data; static void corgibl_send_intensity(int intensity) { @@ -43,18 +44,10 @@ static void corgibl_send_intensity(int intensity) intensity &= CORGI_LIMIT_MASK; } - /* Skip 0x20 as it will blank the display */ - if (intensity >= 0x20) - intensity++; - spin_lock_irqsave(&bl_lock, flags); - /* 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); + + corgibl_mach_set_intensity(intensity); + spin_unlock_irqrestore(&bl_lock, flags); } @@ -113,8 +106,8 @@ static int corgibl_get_power(struct backlight_device *bd) static int corgibl_set_intensity(struct backlight_device *bd, int intensity) { - if (intensity > CORGI_MAX_INTENSITY) - intensity = CORGI_MAX_INTENSITY; + if (intensity > corgibl_data.max_brightness) + intensity = corgibl_data.max_brightness; corgibl_send_intensity(intensity); current_intensity=intensity; return 0; @@ -141,7 +134,6 @@ static struct backlight_properties corgibl_data = { .owner = THIS_MODULE, .get_power = corgibl_get_power, .set_power = corgibl_set_power, - .max_brightness = CORGI_MAX_INTENSITY, .get_brightness = corgibl_get_intensity, .set_brightness = corgibl_set_intensity, }; @@ -150,12 +142,18 @@ static struct backlight_device *corgi_backlight_device; static int __init corgibl_probe(struct device *dev) { + struct corgibl_machinfo *machinfo = dev->platform_data; + + corgibl_data.max_brightness = machinfo->max_intensity; + corgibl_mach_set_intensity = machinfo->set_bl_intensity; + corgi_backlight_device = backlight_device_register ("corgi-bl", NULL, &corgibl_data); if (IS_ERR (corgi_backlight_device)) return PTR_ERR (corgi_backlight_device); corgibl_set_intensity(NULL, CORGI_DEFAULT_INTENSITY); + corgibl_limit_intensity(0); printk("Corgi Backlight Driver Initialized.\n"); return 0; |