linux-kernel - RE: [PATCH -mmotm] backlight: fix adp8860

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Date:	Wed, 12 May 2010 21:54:21 +0100
From:	"Hennerich, Michael" <Michael.Hennerich@...log.com>
To:	Randy Dunlap <randy.dunlap@...cle.com>,
	"akpm@...ux-foundation.org" <akpm@...ux-foundation.org>
CC:	"linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>
Subject: RE: [PATCH -mmotm] backlight: fix adp8860_bl build errors

Randy Dunlap wrote on 2010-05-12:
> From: Randy Dunlap <randy.dunlap@...cle.com>
>
> Add slab.h to fix part of build. Add a parameter in
> backlight_device_register() call to fix part of build.
>
> drivers/video/backlight/adp8860_bl.c:215: error: implicit declaration
> of function 'kzalloc'
> drivers/video/backlight/adp8860_bl.c:215: warning: assignment makes
> pointer from integer without a cast
> drivers/video/backlight/adp8860_bl.c:285: error: implicit declaration
> of function 'kfree'
> drivers/video/backlight/adp8860_bl.c:673: warning: assignment makes
> pointer from integer without a cast
> drivers/video/backlight/adp8860_bl.c:689: error: too few arguments to
> function 'backlight_device_register'
>
> Signed-off-by: Randy Dunlap <randy.dunlap@...cle.com>
> Cc: Michael Hennerich <michael.hennerich@...log.com>

Acked-by: Michael Hennerich <michael.hennerich@...log.com>

Thanks!

> ---
>  drivers/video/backlight/adp8860_bl.c |    7 ++++++-
>  1 file changed, 6 insertions(+), 1 deletion(-)
> --- mmotm-2010-0511-1820.orig/drivers/video/backlight/adp8860_bl.c
> +++ mmotm-2010-0511-1820/drivers/video/backlight/adp8860_bl.c
> @@ -16,6 +16,7 @@
>  #include <linux/fb.h> #include <linux/backlight.h> #include
>  <linux/leds.h> +#include <linux/slab.h> #include <linux/workqueue.h>
>
>  #include <linux/i2c/adp8860.h> @@ -647,6 +648,7 @@ static int __devinit
>  adp8860_probe(struc  struct adp8860_bl *data;        struct
>  adp8860_backlight_platform_data *pdata =             client->dev.platform_data;
>  +    struct backlight_properties props;      uint8_t reg_val;        int ret;
> @@ -683,10 +685,13 @@ static int __devinit adp8860_probe(struc
>       data->current_brightness = 0;
>       i2c_set_clientdata(client, data);
> +     memset(&props, 0, sizeof(props));
> +     props.max_brightness = ADP8860_MAX_BRIGHTNESS;
> +
>       mutex_init(&data->lock);
>
>       bl = backlight_device_register(dev_driver_string(&client->dev),
> -                     &client->dev, data, &adp8860_bl_ops);
> +                     &client->dev, data, &adp8860_bl_ops, &props);
>       if (IS_ERR(bl)) {
>               dev_err(&client->dev, "failed to register backlight\n");
>               ret = PTR_ERR(bl);

Greetings,
Michael

Analog Devices GmbH      Wilhelm-Wagenfeld-Str. 6      80807 Muenchen
Sitz der Gesellschaft Muenchen, Registergericht Muenchen HRB 4036 Geschaeftsfuehrer Thomas Wessel, William A. Martin, Margaret Seif


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