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authorRichard Purdie <rpurdie@rpsys.net>2005-09-13 01:25:33 -0700
committerLinus Torvalds <torvalds@g5.osdl.org>2005-09-13 08:22:31 -0700
commit1351e6e093271d0f5056f3ac272864cf4383041a (patch)
treebf96bf863b242529b56b7941c650b1cf0164c3be /drivers/video
parent513b6e1afaf81b42cacbb24ef1aa7eea5e9661c2 (diff)
[PATCH] SharpSL: Abstract model specifics from Corgi Backlight driver
Separate out the Sharp Zaurus c7x0 series specific code from the Corgi backlight driver. Abstract model/machine specific functions to corgi_lcd.c via sharpsl.h This enables the driver to be used by the Zaurus cxx00 series. Signed-Off-by: Richard Purdie <rpurdie@rpsys.net> Cc: Vojtech Pavlik <vojtech@suse.cz> Cc: Russell King <rmk@arm.linux.org.uk> Signed-off-by: Andrew Morton <akpm@osdl.org> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
Diffstat (limited to 'drivers/video')
-rw-r--r--drivers/video/backlight/corgi_bl.c25
1 files changed, 11 insertions, 14 deletions
diff --git a/drivers/video/backlight/corgi_bl.c b/drivers/video/backlight/corgi_bl.c
index 353cb3f73cf..a3281767855 100644
--- a/drivers/video/backlight/corgi_bl.c
+++ b/drivers/video/backlight/corgi_bl.c
@@ -43,18 +43,10 @@ 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 +105,8 @@ 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 +133,6 @@ 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 +141,18 @@ 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;