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backlight: corgi_lcd: fix missing prototype

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The corgi_lcd_limit_intensity() function is called from platform
and defined in a driver, but the driver does not see the declaration:

drivers/video/backlight/corgi_lcd.c:434:6: error: no previous prototype for 'corgi_lcd_limit_intensity' [-Werror=missing-prototypes]
  434 | void corgi_lcd_limit_intensity(int limit)

Move the prototype into a header that can be included from both
sides to shut up the warning.

Reviewed-by: Daniel Thompson <daniel.thompson@linaro.org>
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
This commit is contained in:
Arnd Bergmann 2023-03-19 22:29:28 +01:00
parent 92d39d0183
commit 09eadda27c
3 changed files with 3 additions and 1 deletions
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1
arch/arm/mach-pxa/sharpsl_pm.h
View file

@ -105,5 +105,4 @@ void sharpsl_pm_led(int val);
#define MAX1111_ACIN_VOLT 6u
int sharpsl_pm_pxa_read_max1111(int channel);
void corgi_lcd_limit_intensity(int limit);
#endif

1
arch/arm/mach-pxa/spitz_pm.c
View file

@ -15,6 +15,7 @@
#include <linux/interrupt.h>
#include <linux/platform_device.h>
#include <linux/apm-emulation.h>
#include <linux/spi/corgi_lcd.h>
#include <asm/irq.h>
#include <asm/mach-types.h>

2
include/linux/spi/corgi_lcd.h
View file

@ -15,4 +15,6 @@ struct corgi_lcd_platform_data {
void (*kick_battery)(void);
};
void corgi_lcd_limit_intensity(int limit);
#endif /* __LINUX_SPI_CORGI_LCD_H */