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authorRichard Purdie <rpurdie@rpsys.net>2007-02-10 23:07:48 +0000
committerRichard Purdie <rpurdie@rpsys.net>2007-02-20 09:26:53 +0000
commit599a52d12629394236d785615808845823875868 (patch)
tree4e2dfa3a25ce761be0ecc0490acabac553f77a67 /drivers/usb/misc/appledisplay.c
parent321709c5994f952b78d567fd7083dbebbdc381b7 (diff)
backlight: Separate backlight properties from backlight ops pointers
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 <rpurdie@rpsys.net>
Diffstat (limited to 'drivers/usb/misc/appledisplay.c')
-rw-r--r--drivers/usb/misc/appledisplay.c11
1 files changed, 6 insertions, 5 deletions
diff --git a/drivers/usb/misc/appledisplay.c b/drivers/usb/misc/appledisplay.c
index cd2c5574cf9..cf70c16f0e3 100644
--- a/drivers/usb/misc/appledisplay.c
+++ b/drivers/usb/misc/appledisplay.c
@@ -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);