[PATCH] staging: ftbft: Use backlight helper

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backlight_properties.fb_blank is deprecated. The states it represents
are handled by other properties; but instead of accessing those
properties directly, drivers should use the helpers provided by
backlight.h.

Instead of manually checking the power state in struct
backlight_properties, use backlight_is_blank().

Signed-off-by: Stephen Kitt <steve@xxxxxxx>
Cc: Greg Kroah-Hartman <gregkh@xxxxxxxxxxxxxxxxxxx>
Cc: "Noralf Trønnes" <noralf@xxxxxxxxxxx>
Cc: Thomas Zimmermann <tzimmermann@xxxxxxx>
Cc: Andy Shevchenko <andriy.shevchenko@xxxxxxxxxxxxxxx>
Cc: Javier Martinez Canillas <javierm@xxxxxxxxxx>
Cc: Len Baker <len.baker@xxxxxxx>
Cc: dri-devel@xxxxxxxxxxxxxxxxxxxxx
Cc: linux-fbdev@xxxxxxxxxxxxxxx
Cc: linux-staging@xxxxxxxxxxxxxxx
---
 drivers/staging/fbtft/fb_ssd1351.c | 3 +--
 drivers/staging/fbtft/fbtft-core.c | 3 +--
 2 files changed, 2 insertions(+), 4 deletions(-)

diff --git a/drivers/staging/fbtft/fb_ssd1351.c b/drivers/staging/fbtft/fb_ssd1351.c
index 6fd549a424d5..b8d55aa8c5c7 100644
--- a/drivers/staging/fbtft/fb_ssd1351.c
+++ b/drivers/staging/fbtft/fb_ssd1351.c
@@ -196,8 +196,7 @@ static int update_onboard_backlight(struct backlight_device *bd)
 		      "%s: power=%d, fb_blank=%d\n",
 		      __func__, bd->props.power, bd->props.fb_blank);
 
-	on = (bd->props.power == FB_BLANK_UNBLANK) &&
-	     (bd->props.fb_blank == FB_BLANK_UNBLANK);
+	on = !backlight_is_blank(bd);
 	/* Onboard backlight connected to GPIO0 on SSD1351, GPIO1 unused */
 	write_reg(par, 0xB5, on ? 0x03 : 0x02);
 
diff --git a/drivers/staging/fbtft/fbtft-core.c b/drivers/staging/fbtft/fbtft-core.c
index 60b2278d8b16..9b3eaed80cdd 100644
--- a/drivers/staging/fbtft/fbtft-core.c
+++ b/drivers/staging/fbtft/fbtft-core.c
@@ -137,8 +137,7 @@ static int fbtft_backlight_update_status(struct backlight_device *bd)
 		      "%s: polarity=%d, power=%d, fb_blank=%d\n",
 		      __func__, polarity, bd->props.power, bd->props.fb_blank);
 
-	if ((bd->props.power == FB_BLANK_UNBLANK) &&
-	    (bd->props.fb_blank == FB_BLANK_UNBLANK))
+	if (!backlight_is_blank(bd))
 		gpiod_set_value(par->gpio.led[0], polarity);
 	else
 		gpiod_set_value(par->gpio.led[0], !polarity);

base-commit: f2906aa863381afb0015a9eb7fefad885d4e5a56
-- 
2.30.2





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