lcd_hx8357 休眠唤醒序列修改

diff --git a/drivers/video/display/screen/lcd_hx8357.c b/drivers/video/display/screen/lcd_hx8357.c
index 921521f31e26d897537289dd6eb6b067c1dcf12c..7e99e378f964caf2a3937c2064442ee9853ec792 100644 (file)
--- a/drivers/video/display/screen/lcd_hx8357.c
+++ b/drivers/video/display/screen/lcd_hx8357.c
@@ -339,26 +339,50 @@ int standby(u8 enable)    //***enable =1 means suspend, 0 means resume
        
      lcd_td043mgea1.screen_set_iomux(1);
        if(enable) {
-               //printk("---------screen suspend--------------\n");
+               //printk("---------hx8357   screen suspend--------------\n");
                #if 0 
                spi_screenreg_set(0x03, 0xde); 
-               #else 
+               #else
+               //modify by robert
+               #if 0
                spi_screenreg_set(0x1f, 0x91); 
-               spi_screenreg_set(0x19, 0x00); 
+               spi_screenreg_set(0x19, 0x00);
+               #else
+               spi_screenreg_set(0x28, 0x38); 
+               msleep(10);
+               spi_screenreg_set(0x28, 0x24);
+               msleep(10);
+               spi_screenreg_set(0x28, 0x04);
+               #endif
+               //modify end
                #endif 
        } else { 
-               //printk("---------screen resume--------------\n ");
+               //printk("---------  hx8357 screen resume--------------\n ");
                #if 0 
                spi_screenreg_set(0x03, 0x5f); 
                #else 
+               //modify by robert
+               #if 0
                spi_screenreg_set(0x19, 0x01); 
                spi_screenreg_set(0x1f, 0x90); 
                mdelay(10); 
-               spi_screenreg_set(0x1f, 0xd2); 
+               spi_screenreg_set(0x1f, 0xd2);
+               #else
+               spi_screenreg_set(0x28, 0x38); 
+               msleep(10);
+               spi_screenreg_set(0x28, 0x3c);
+               msleep(10);
+               spi_screenreg_set(0x80, 0x00);
+               spi_screenreg_set(0x81, 0x00);
+               spi_screenreg_set(0x82, 0x00);
+               spi_screenreg_set(0x83, 0x00);
+               
+               #endif
+               //modify end
                #endif 
        }
 
-   lcd_td043mgea1.screen_set_iomux(0);
+    lcd_td043mgea1.screen_set_iomux(0);
     return 0;
 }