The patch titled
backlight: add a callback 'notify_after' for backlight control
has been removed from the -mm tree. Its filename was
backlight-add-a-callback-notify_after-for-backlight-control.patch
This patch was dropped because it was merged into mainline or a subsystem tree
The current -mm tree may be found at http://userweb.kernel.org/~akpm/mmotm/
------------------------------------------------------
Subject: backlight: add a callback 'notify_after' for backlight control
From: Dilan Lee <dilee@xxxxxxxxxx>
We need a callback to do some things after pwm_enable, pwm_disable
and pwm_config.
Signed-off-by: Dilan Lee <dilee@xxxxxxxxxx>
Reviewed-by: Robert Morell <rmorell@xxxxxxxxxx>
Reviewed-by: Arun Murthy <arun.murthy@xxxxxxxxxxxxxx>
Cc: Richard Purdie <rpurdie@xxxxxxxxx>
Cc: Paul Mundt <lethal@xxxxxxxxxxxx>
Signed-off-by: Andrew Morton <akpm@xxxxxxxxxxxxxxxxxxxx>
---
drivers/video/backlight/pwm_bl.c | 9 +++++++++
include/linux/pwm_backlight.h | 1 +
2 files changed, 10 insertions(+)
diff -puN drivers/video/backlight/pwm_bl.c~backlight-add-a-callback-notify_after-for-backlight-control drivers/video/backlight/pwm_bl.c
--- a/drivers/video/backlight/pwm_bl.c~backlight-add-a-callback-notify_after-for-backlight-control
+++ a/drivers/video/backlight/pwm_bl.c
@@ -28,6 +28,8 @@ struct pwm_bl_data {
unsigned int lth_brightness;
int (*notify)(struct device *,
int brightness);
+ void (*notify_after)(struct device *,
+ int brightness);
int (*check_fb)(struct device *, struct fb_info *);
};
@@ -55,6 +57,10 @@ static int pwm_backlight_update_status(s
pwm_config(pb->pwm, brightness, pb->period);
pwm_enable(pb->pwm);
}
+
+ if (pb->notify_after)
+ pb->notify_after(pb->dev, brightness);
+
return 0;
}
@@ -105,6 +111,7 @@ static int pwm_backlight_probe(struct pl
pb->period = data->pwm_period_ns;
pb->notify = data->notify;
+ pb->notify_after = data->notify_after;
pb->check_fb = data->check_fb;
pb->lth_brightness = data->lth_brightness *
(data->pwm_period_ns / data->max_brightness);
@@ -172,6 +179,8 @@ static int pwm_backlight_suspend(struct
pb->notify(pb->dev, 0);
pwm_config(pb->pwm, 0, pb->period);
pwm_disable(pb->pwm);
+ if (pb->notify_after)
+ pb->notify_after(pb->dev, 0);
return 0;
}
diff -puN include/linux/pwm_backlight.h~backlight-add-a-callback-notify_after-for-backlight-control include/linux/pwm_backlight.h
--- a/include/linux/pwm_backlight.h~backlight-add-a-callback-notify_after-for-backlight-control
+++ a/include/linux/pwm_backlight.h
@@ -14,6 +14,7 @@ struct platform_pwm_backlight_data {
unsigned int pwm_period_ns;
int (*init)(struct device *dev);
int (*notify)(struct device *dev, int brightness);
+ void (*notify_after)(struct device *dev, int brightness);
void (*exit)(struct device *dev);
int (*check_fb)(struct device *dev, struct fb_info *info);
};
_
Patches currently in -mm which might be from dilee@xxxxxxxxxx are
origin.patch
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