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backlight: Separate backlight properties from backlight ops pointers

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Per device data such as brightness belongs to the indivdual device
and should therefore be separate from the the backlight operation
function pointers. This patch splits the two types of data and
allows simplifcation of some code.

Signed-off-by: Richard Purdie <[email protected]>
This commit is contained in:
Richard Purdie 2007-02-10 23:07:48 +00:00
commit 599a52d126
24 changed files with 223 additions and 254 deletions
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11
drivers/usb/misc/appledisplay.c
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@ -141,7 +141,7 @@ static int appledisplay_bl_update_status(struct backlight_device *bd)
int retval;
pdata->msgdata[0] = 0x10;
pdata->msgdata[1] = bd->props->brightness;
pdata->msgdata[1] = bd->props.brightness;
retval = usb_control_msg(
pdata->udev,
@ -177,10 +177,9 @@ static int appledisplay_bl_get_brightness(struct backlight_device *bd)
return pdata->msgdata[1];
}
static struct backlight_properties appledisplay_bl_data = {
static struct backlight_ops appledisplay_bl_data = {
.get_brightness = appledisplay_bl_get_brightness,
.update_status = appledisplay_bl_update_status,
.max_brightness = 0xFF
};
static void appledisplay_work(struct work_struct *work)
@ -191,7 +190,7 @@ static void appledisplay_work(struct work_struct *work)
retval = appledisplay_bl_get_brightness(pdata->bd);
if (retval >= 0)
pdata->bd->props->brightness = retval;
pdata->bd->props.brightness = retval;
/* Poll again in about 125ms if there's still a button pressed */
if (pdata->button_pressed)
@ -285,6 +284,8 @@ static int appledisplay_probe(struct usb_interface *iface,
goto error;
}
pdata->bd->props.max_brightness = 0xff;
/* Try to get brightness */
brightness = appledisplay_bl_get_brightness(pdata->bd);
@ -295,7 +296,7 @@ static int appledisplay_probe(struct usb_interface *iface,
}
/* Set brightness in backlight device */
pdata->bd->props->brightness = brightness;
pdata->bd->props.brightness = brightness;
/* save our data pointer in the interface device */
usb_set_intfdata(iface, pdata);