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fb: rk29: replace msleep with usleep_range, make resume faster

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黄涛
2011-08-12 11:44:09 +08:00
parent 058329f6a2
commit b91b35b8b0
1 changed files with 3 additions and 3 deletions
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6
drivers/video/rk29_fb.c
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@@ -2501,7 +2501,7 @@ static void rk29fb_early_resume(struct early_suspend *h)
if(inf->clk){
clk_enable(inf->aclk);
}
msleep(100);
usleep_range(100*1000, 100*1000);
}
LcdMskReg(inf, DSP_CTRL1, m_BLANK_MODE , v_BLANK_MODE(0));
LcdMskReg(inf, SYS_CONFIG, m_STANDBY, v_STANDBY(0));
@@ -2515,9 +2515,9 @@ static void rk29fb_early_resume(struct early_suspend *h)
fbprintk(">>>>>> power on the screen! \n");
inf->cur_screen->standby(0);
}
msleep(10);
usleep_range(10*1000, 10*1000);
memcpy((u8*)inf->preg, (u8*)&inf->regbak, 0xa4); //resume reg
msleep(40);
usleep_range(40*1000, 40*1000);
if((inf->cur_screen != &inf->panel2_info) && mach_info->io_enable) // open lcd pwr when output screen is lcd
mach_info->io_enable(); //close lcd out