diff mbox series

staging/fbtft: Fix backlight

Message ID 20211030162901.17918-1-noralf@tronnes.org (mailing list archive)
State New, archived
Headers show
Series staging/fbtft: Fix backlight | expand

Commit Message

Noralf Trønnes Oct. 30, 2021, 4:29 p.m. UTC
Commit b4a1ed0cd18b ("fbdev: make FB_BACKLIGHT a tristate") forgot to
update fbtft breaking its backlight support when FB_BACKLIGHT is a module.

Fix this by using IS_ENABLED().

Fixes: b4a1ed0cd18b ("fbdev: make FB_BACKLIGHT a tristate")
Cc: <stable@vger.kernel.org>
Signed-off-by: Noralf Trønnes <noralf@tronnes.org>
---
 drivers/staging/fbtft/fbtft-core.c | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

Comments

Sam Ravnborg Oct. 30, 2021, 6:50 p.m. UTC | #1
On Sat, Oct 30, 2021 at 06:29:01PM +0200, Noralf Trønnes wrote:
> Commit b4a1ed0cd18b ("fbdev: make FB_BACKLIGHT a tristate") forgot to
> update fbtft breaking its backlight support when FB_BACKLIGHT is a module.
> 
> Fix this by using IS_ENABLED().
> 
> Fixes: b4a1ed0cd18b ("fbdev: make FB_BACKLIGHT a tristate")
> Cc: <stable@vger.kernel.org>
> Signed-off-by: Noralf Trønnes <noralf@tronnes.org>

Acked-by: Sam Ravnborg <sam@ravnborg.org>
Noralf Trønnes Nov. 5, 2021, 8:26 p.m. UTC | #2
Den 30.10.2021 18.29, skrev Noralf Trønnes:
> Commit b4a1ed0cd18b ("fbdev: make FB_BACKLIGHT a tristate") forgot to
> update fbtft breaking its backlight support when FB_BACKLIGHT is a module.
> 
> Fix this by using IS_ENABLED().
> 
> Fixes: b4a1ed0cd18b ("fbdev: make FB_BACKLIGHT a tristate")
> Cc: <stable@vger.kernel.org>
> Signed-off-by: Noralf Trønnes <noralf@tronnes.org>
> ---

I discovered that fb_ssd1351 also has this #ifdef, so need to fix that
as well. Will send a new version.

Noralf.
diff mbox series

Patch

diff --git a/drivers/staging/fbtft/fbtft-core.c b/drivers/staging/fbtft/fbtft-core.c
index ed992ca605eb..ff979f1eeee8 100644
--- a/drivers/staging/fbtft/fbtft-core.c
+++ b/drivers/staging/fbtft/fbtft-core.c
@@ -128,7 +128,7 @@  static int fbtft_request_gpios(struct fbtft_par *par)
 	return 0;
 }
 
-#ifdef CONFIG_FB_BACKLIGHT
+#if IS_ENABLED(CONFIG_FB_BACKLIGHT)
 static int fbtft_backlight_update_status(struct backlight_device *bd)
 {
 	struct fbtft_par *par = bl_get_data(bd);
@@ -853,7 +853,7 @@  int fbtft_register_framebuffer(struct fb_info *fb_info)
 		 fb_info->fix.smem_len >> 10, text1,
 		 HZ / fb_info->fbdefio->delay, text2);
 
-#ifdef CONFIG_FB_BACKLIGHT
+#if IS_ENABLED(CONFIG_FB_BACKLIGHT)
 	/* Turn on backlight if available */
 	if (fb_info->bl_dev) {
 		fb_info->bl_dev->props.power = FB_BLANK_UNBLANK;