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[PATCH] SharpSL: Abstract model specifics from Corgi Backlight driver

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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 <[email protected]>
Cc: Vojtech Pavlik <[email protected]>
Cc: Russell King <[email protected]>
Signed-off-by: Andrew Morton <[email protected]>
Signed-off-by: Linus Torvalds <[email protected]>
This commit is contained in:
Richard Purdie 2005-09-13 01:25:33 -07:00 • committed by Linus Torvalds
commit 1351e6e093
5 changed files with 100 additions and 14 deletions
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25
drivers/video/backlight/corgi_bl.c
View file

@ -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;