From: Sascha Hauer <s.hauer@pengutronix.de>
To: barebox@lists.infradead.org
Subject: [PATCH 06/10] fb i.MX23/28: add platform data hook to enable backlight
Date: Thu, 20 Jan 2011 10:46:57 +0100 [thread overview]
Message-ID: <1295516821-8988-7-git-send-email-s.hauer@pengutronix.de> (raw)
In-Reply-To: <1295516821-8988-1-git-send-email-s.hauer@pengutronix.de>
Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
---
arch/arm/mach-stm/include/mach/fb.h | 2 ++
drivers/video/stm.c | 6 ++++++
2 files changed, 8 insertions(+), 0 deletions(-)
diff --git a/arch/arm/mach-stm/include/mach/fb.h b/arch/arm/mach-stm/include/mach/fb.h
index 2eade76..3c53f1a 100644
--- a/arch/arm/mach-stm/include/mach/fb.h
+++ b/arch/arm/mach-stm/include/mach/fb.h
@@ -40,6 +40,8 @@ struct imx_fb_videomode {
void *fixed_screen; /**< if != NULL use this as framebuffer memory */
unsigned fixed_screen_size; /**< framebuffer memory size for fixed_screen */
+
+ void (*enable)(int enable); /**< hook to enable backlight */
};
#endif /* __MACH_FB_H */
diff --git a/drivers/video/stm.c b/drivers/video/stm.c
index fc90b6a..8d6361e 100644
--- a/drivers/video/stm.c
+++ b/drivers/video/stm.c
@@ -255,6 +255,9 @@ static void stmfb_enable_controller(struct fb_info *fb_info)
writel(CTRL1_FIFO_CLEAR, fbi->base + HW_LCDIF_CTRL1 + BIT_CLR);
/* start the engine right now */
writel(CTRL_RUN, fbi->base + HW_LCDIF_CTRL + BIT_SET);
+
+ if (fbi->pdata->enable)
+ fbi->pdata->enable(1);
}
static void stmfb_disable_controller(struct fb_info *fb_info)
@@ -263,6 +266,9 @@ static void stmfb_disable_controller(struct fb_info *fb_info)
unsigned loop;
uint32_t reg;
+ if (fbi->pdata->enable)
+ fbi->pdata->enable(0);
+
/*
* Even if we disable the controller here, it will still continue
* until its FIFOs are running out of data
--
1.7.2.3
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next prev parent reply other threads:[~2011-01-20 9:47 UTC|newest]
Thread overview: 15+ messages / expand[flat|nested] mbox.gz Atom feed top
2011-01-20 9:46 i.MX23 patches Sascha Hauer
2011-01-20 9:46 ` [PATCH 01/10] USB ehci: Set to host mode on tt capable controllers Sascha Hauer
2011-01-20 9:46 ` [PATCH 02/10] i.MX23: Add USB (phy) support Sascha Hauer
2011-01-20 9:46 ` [PATCH 03/10] ARM Chumby: Add USB support Sascha Hauer
2011-01-20 9:46 ` [PATCH 04/10] ARM Chumby: Add MMU support Sascha Hauer
2011-01-20 9:46 ` [PATCH 05/10] i.MX23/28: Fix setting of lcd clock Sascha Hauer
2011-01-20 14:01 ` Gregory CLEMENT
2011-01-20 14:57 ` Sascha Hauer
2011-01-20 17:52 ` Gregory CLEMENT
2011-01-21 9:37 ` Sascha Hauer
2011-01-20 9:46 ` Sascha Hauer [this message]
2011-01-20 9:46 ` [PATCH 07/10] ARM chumby: enable backlight in platform data hook Sascha Hauer
2011-01-20 9:46 ` [PATCH 08/10] fb i.MX23/28: rename imx_fb_videomode to imx_fb_platformdata Sascha Hauer
2011-01-20 9:47 ` [PATCH 09/10] ARM: rename STM arch to mxs Sascha Hauer
2011-01-20 9:47 ` [PATCH 10/10] ARM chumby defconfig: update with new features Sascha Hauer
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