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mio283qt2.c: Need select/deselect LCD in setpower method; hwinitialize did not deselect LCD

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This commit is contained in:
Gregory Nutt
2013-05-06 08:34:53 -06:00
parent b2633df551
commit 337680e346
3 changed files with 36 additions and 14 deletions
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drivers/lcd/mio283qt2.c
+22 -4
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@@ -690,6 +690,10 @@ static int mio283qt2_getpower(FAR struct lcd_dev_s *dev)
static int mio283qt2_poweroff(FAR struct mio283qt2_lcd_s *lcd)
{
/* Select the LCD */
lcd->select(lcd);
/* Set the backlight off */
lcd->backlight(lcd, 0);
@@ -698,6 +702,10 @@ static int mio283qt2_poweroff(FAR struct mio283qt2_lcd_s *lcd)
mio283qt2_putreg(lcd, 0x28, 0x0000); /* GON=0, DTE=0, D=0 */
/* Deselect the LCD */
lcd->deselect(lcd);
/* Remember the power off state */
g_lcddev.power = 0;
@@ -725,6 +733,10 @@ static int mio283qt2_setpower(FAR struct lcd_dev_s *dev, int power)
if (power > 0)
{
/* Select the LCD */
lcd->select(lcd);
/* Set the backlight level */
lcd->backlight(lcd, power);
@@ -733,12 +745,16 @@ static int mio283qt2_setpower(FAR struct lcd_dev_s *dev, int power)
* D=ON(3) CM=0 DTE=1 GON=1 SPT=0 VLE=0 PT=0
*/
/* Display on */
mio283qt2_putreg(lcd, 0x28, 0x0038); /* GON=1, DTE=1, D=2 */
up_mdelay(40);
mio283qt2_putreg(lcd, 0x28, 0x003c); /* GON=1, DTE=1, D=3 */
/* Deselect the LCD */
lcd->deselect(lcd);
/* Remember the power on state */
g_lcddev.power = power;
}
else
@@ -793,6 +809,7 @@ static inline int mio283qt2_hwinitialize(FAR struct mio283qt2_dev_s *priv)
#ifndef CONFIG_LCD_NOGETRUN
uint16_t id;
#endif
int ret;
/* Select the LCD */
@@ -903,19 +920,20 @@ static inline int mio283qt2_hwinitialize(FAR struct mio283qt2_dev_s *priv)
/* Window setting */
mio283qt2_setarea(lcd, 0, 0, (MIO283QT2_XRES-1), (MIO283QT2_YRES-1));
return OK;
ret = OK;
}
#ifndef CONFIG_LCD_NOGETRUN
else
{
lcddbg("Unsupported LCD type\n");
return -ENODEV;
ret = -ENODEV;
}
#endif
/* De-select the LCD */
lcd->deselect(lcd);
return ret;
}
/*************************************************************************************