linux-kernel - [PATCH] backlight: l4f00242t03: Fix reset sequence

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Message-ID: <1290964433.3016.2.camel@realization>
Date:	Sun, 28 Nov 2010 18:13:53 +0100
From:	Alberto Panizzo <maramaopercheseimorto@...il.com>
To:	Andrew Morton <akpm@...ux-foundation.org>
Cc:	Richard Purdie <rpurdie@...ys.net>,
	Marek Vasut <marek.vasut@...il.com>, Tejun Heo <tj@...nel.org>,
	Axel Lin <axel.lin@...il.com>,
	linux-kernel <linux-kernel@...r.kernel.org>
Subject: [PATCH] backlight: l4f00242t03: Fix reset sequence

The reset command is part of the init sequence and it take effect
only if the lcd is powered.

Signed-off-by: Alberto Panizzo <maramaopercheseimorto@...il.com>
---

This patch is built on top of:
http://userweb.kernel.org/~akpm/mmotm/broken-out/drivers-video-backlight-l4f00242t03c-full-implement-fb-power-states-for-this-lcd.patch

 drivers/video/backlight/l4f00242t03.c |    3 ++-
 1 files changed, 2 insertions(+), 1 deletions(-)

diff --git a/drivers/video/backlight/l4f00242t03.c b/drivers/video/backlight/l4f00242t03.c
index 5d25743..c04aa90 100644
--- a/drivers/video/backlight/l4f00242t03.c
+++ b/drivers/video/backlight/l4f00242t03.c
@@ -62,6 +62,8 @@ static void l4f00242t03_lcd_init(struct spi_device *spi)
 		regulator_enable(priv->core_reg);
 	}
 
+	l4f00242t03_reset(pdata->reset_gpio);
+
 	gpio_set_value(pdata->data_enable_gpio, 1);
 	msleep(60);
 	spi_write(spi, (const u8 *)cmd, ARRAY_SIZE(cmd) * sizeof(u16));
@@ -225,7 +227,6 @@ static int __devinit l4f00242t03_probe(struct spi_device *spi)
 	}
 
 	/* Init the LCD */
-	l4f00242t03_reset(pdata->reset_gpio);
 	l4f00242t03_lcd_init(spi);
 	priv->lcd_state = FB_BLANK_VSYNC_SUSPEND;
 	l4f00242t03_lcd_power_set(priv->ld, FB_BLANK_UNBLANK);
-- 
1.6.3.3


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