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update rk2818_backlight.c to correct bl suspend and resume

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1. old rk2818_backlight.c  use CONFIG_ANDROID_POWER macro, which is no longer supported,
lyx changed to use CONFIG_HAS_EARLYSUSPEND.  This sovled lcd blanking when resuming.
2. changed backlight module init into late_initcall from rootfs_initcall, this solve the
problem of blanking when powered on.
3. updated:  close dbg info and  comments.
note: code mod by lyx, commited by jyk
This commit is contained in:
Rich.jiangyk
2010-09-16 15:00:10 +08:00
parent 5a8c294436
commit 29b3db33b4
1 changed files with 5 additions and 3 deletions
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8
drivers/video/backlight/rk2818_backlight.c
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@@ -41,7 +41,7 @@
/*
* Debug
*/
#if 1
#if 0
#define DBG(x...) printk(KERN_INFO x)
#else
#define DBG(x...)
@@ -193,7 +193,9 @@ static void rk2818_bl_suspend(struct early_suspend *h)
} else {
divh = div_total;
}
DBG("%s: ========== jyk suspend =============== \n",__func__);
DBG("%s: ========== suspend =============== \n",__func__);
write_pwm_reg(id, PWM_REG_HRC, divh);
suspend_flag = 1;
@@ -242,7 +244,7 @@ static int rk2818_backlight_probe(struct platform_device *pdev)
u32 divh, div_total;
struct clk* arm_pclk;
DBG("%s::============== jyk ==========================\n",__func__);
DBG("%s::=======================================\n",__func__);
if (rk2818_bl) {
DBG(KERN_CRIT "%s: backlight device register has existed \n",