2006-03-05 14:56:26

by Pavel Machek

[permalink] [raw]
Subject: [patch] fix hardcoded values in collie frontlight

In frontlight support, we should really use values from flash-ROM
instead of hardcoding our own.

Signed-off-by: Pavel Machek <[email protected]>

diff --git a/drivers/video/backlight/locomolcd.c b/drivers/video/backlight/locomolcd.c
index ada6e75..2bcff84 100644
--- a/drivers/video/backlight/locomolcd.c
+++ b/drivers/video/backlight/locomolcd.c
@@ -20,6 +20,7 @@

#include <asm/hardware/locomo.h>
#include <asm/irq.h>
+#include <asm/mach/sharpsl_param.h>

#ifdef CONFIG_SA1100_COLLIE
#include <asm/arch/collie.h>
@@ -27,7 +28,7 @@
#include <asm/arch/poodle.h>
#endif

-extern void (*sa1100fb_lcd_power)(int on);
+#include "../../../arch/arm/mach-sa1100/generic.h"

static struct locomo_dev *locomolcd_dev;

@@ -82,7 +83,7 @@ static void locomolcd_off(int comadj)

void locomolcd_power(int on)
{
- int comadj = 118;
+ int comadj = sharpsl_param.comadj;
unsigned long flags;

local_irq_save(flags);
@@ -93,11 +94,13 @@ void locomolcd_power(int on)
}

/* read comadj */
+ if (comadj == -1) {
#ifdef CONFIG_MACH_POODLE
- comadj = 118;
+ comadj = 118;
#else
- comadj = 128;
+ comadj = 128;
#endif
+ }

if (on)
locomolcd_on(comadj);

--
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2006-03-05 19:46:23

by Richard Purdie

[permalink] [raw]
Subject: Re: [patch] fix hardcoded values in collie frontlight

On Sun, 2006-03-05 at 15:28 +0100, Pavel Machek wrote:
> In frontlight support, we should really use values from flash-ROM
> instead of hardcoding our own.
>
> Signed-off-by: Pavel Machek <[email protected]>
>
> diff --git a/drivers/video/backlight/locomolcd.c b/drivers/video/backlight/locomolcd.c
> index ada6e75..2bcff84 100644
> --- a/drivers/video/backlight/locomolcd.c
> +++ b/drivers/video/backlight/locomolcd.c
> @@ -27,7 +28,7 @@
> #include <asm/arch/poodle.h>
> #endif
>
> -extern void (*sa1100fb_lcd_power)(int on);
> +#include "../../../arch/arm/mach-sa1100/generic.h"

This would be neater if that was in some more accessible header in
asm/arch. I'm not sure which header that would be though. Russell?

> @@ -93,11 +94,13 @@ void locomolcd_power(int on)
> }
>
> /* read comadj */
> + if (comadj == -1) {
> #ifdef CONFIG_MACH_POODLE
> - comadj = 118;
> + comadj = 118;
> #else
> - comadj = 128;
> + comadj = 128;
> #endif
> + }

Perhaps use machine_is_poodle() and machine_is_collie() here?

I agree with the changes in principle though.

Richard

2006-03-06 16:35:47

by Pavel Machek

[permalink] [raw]
Subject: Re: [patch] fix hardcoded values in collie frontlight

> > @@ -93,11 +94,13 @@ void locomolcd_power(int on)
> > }
> >
> > /* read comadj */
> > + if (comadj == -1) {
> > #ifdef CONFIG_MACH_POODLE
> > - comadj = 118;
> > + comadj = 118;
> > #else
> > - comadj = 128;
> > + comadj = 128;
> > #endif
> > + }
>
> Perhaps use machine_is_poodle() and machine_is_collie() here?

Yep, and unneccesssary includes can be killed. Thanks.
Pavel

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2006-03-06 16:35:20

by Pavel Machek

[permalink] [raw]
Subject: [patch] fix hardcoded values in collie frontlight

In frontlight support, we should really use values from flash-ROM
instead of hardcoding our own. Cleanup includes.

Signed-off-by: Pavel Machek <[email protected]>

--- a/drivers/video/backlight/locomolcd.c
+++ b/drivers/video/backlight/locomolcd.c
@@ -20,14 +20,10 @@

#include <asm/hardware/locomo.h>
#include <asm/irq.h>
+#include <asm/mach/sharpsl_param.h>
+#include <asm/mach-types.h>

-#ifdef CONFIG_SA1100_COLLIE
-#include <asm/arch/collie.h>
-#else
-#include <asm/arch/poodle.h>
-#endif
-
-extern void (*sa1100fb_lcd_power)(int on);
+#include "../../../arch/arm/mach-sa1100/generic.h"

static struct locomo_dev *locomolcd_dev;

@@ -82,7 +78,7 @@ static void locomolcd_off(int comadj)

void locomolcd_power(int on)
{
- int comadj = 118;
+ int comadj = sharpsl_param.comadj;
unsigned long flags;

local_irq_save(flags);
@@ -93,11 +89,12 @@ void locomolcd_power(int on)
}

/* read comadj */
-#ifdef CONFIG_MACH_POODLE
- comadj = 118;
-#else
- comadj = 128;
-#endif
+ if (comadj == -1) {
+ if (machine_is_poodle())
+ comadj = 118;
+ if (machine_is_collie())
+ comadj = 128;
+ }

if (on)
locomolcd_on(comadj);


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2006-03-06 17:10:23

by Richard Purdie

[permalink] [raw]
Subject: Re: [patch] fix hardcoded values in collie frontlight

On Mon, 2006-03-06 at 12:57 +0100, Pavel Machek wrote:
> In frontlight support, we should really use values from flash-ROM
> instead of hardcoding our own. Cleanup includes.
>
> Signed-off-by: Pavel Machek <[email protected]>
Signed-off-by: Richard Purdie <[email protected]>
>
> --- a/drivers/video/backlight/locomolcd.c
> +++ b/drivers/video/backlight/locomolcd.c
> @@ -20,14 +20,10 @@
>
> #include <asm/hardware/locomo.h>
> #include <asm/irq.h>
> +#include <asm/mach/sharpsl_param.h>
> +#include <asm/mach-types.h>
>
> -#ifdef CONFIG_SA1100_COLLIE
> -#include <asm/arch/collie.h>
> -#else
> -#include <asm/arch/poodle.h>
> -#endif
> -
> -extern void (*sa1100fb_lcd_power)(int on);
> +#include "../../../arch/arm/mach-sa1100/generic.h"
>
> static struct locomo_dev *locomolcd_dev;
>
> @@ -82,7 +78,7 @@ static void locomolcd_off(int comadj)
>
> void locomolcd_power(int on)
> {
> - int comadj = 118;
> + int comadj = sharpsl_param.comadj;
> unsigned long flags;
>
> local_irq_save(flags);
> @@ -93,11 +89,12 @@ void locomolcd_power(int on)
> }
>
> /* read comadj */
> -#ifdef CONFIG_MACH_POODLE
> - comadj = 118;
> -#else
> - comadj = 128;
> -#endif
> + if (comadj == -1) {
> + if (machine_is_poodle())
> + comadj = 118;
> + if (machine_is_collie())
> + comadj = 128;
> + }
>
> if (on)
> locomolcd_on(comadj);
>
>