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modify hdmi some time no chean up interrupt

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This commit is contained in:
xuhuicong
2013-05-21 14:24:00 +08:00
parent 62dfc8a780
commit f2195945f7
1 changed files with 15 additions and 32 deletions
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47
drivers/video/rockchip/hdmi/chips/rk616/rk616_hdmi_hw.c
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@@ -88,10 +88,12 @@ static void rk616_hdmi_set_pwr_mode(int mode)
int rk616_hdmi_detect_hotplug(void)
{
int value = 0;
#if 0
HDMIRdReg(INTERRUPT_STATUS1,&value);
if(value){
HDMIWrReg(INTERRUPT_STATUS1, value);
}
#endif
HDMIRdReg(HDMI_STATUS,&value);
hdmi_dbg(hdmi->dev, "[%s] value %02x\n", __FUNCTION__, value);
@@ -419,41 +421,22 @@ int rk616_hdmi_removed(void)
void rk616_hdmi_work(void)
{
u32 interrupt = 0;
static int hpd = 0;
int value = 0;
/* if hdmi_irq == INVALID_GPIO use irq mode, else use roll polling method */
if (g_rk616_hdmi->pdata->hdmi_irq == INVALID_GPIO) {
HDMIRdReg(INTERRUPT_STATUS1,&interrupt);
HDMIWrReg(INTERRUPT_STATUS1, interrupt);
if(interrupt & m_HOTPLUG){
if(hdmi->state == HDMI_SLEEP)
hdmi->state = WAIT_HOTPLUG;
if(hdmi->pwr_mode == LOWER_PWR)
rk616_hdmi_set_pwr_mode(NORMAL);
queue_delayed_work(hdmi->workqueue, &hdmi->delay_work, msecs_to_jiffies(10));
}
} else {
int value = 0;
HDMIRdReg(HDMI_STATUS,&value);
if((value & m_HOTPLUG)&& hpd == 0){
if(hdmi->state == HDMI_SLEEP)
hdmi->state = WAIT_HOTPLUG;
if(hdmi->pwr_mode == LOWER_PWR)
rk616_hdmi_set_pwr_mode(NORMAL);
queue_delayed_work(hdmi->workqueue, &hdmi->delay_work, msecs_to_jiffies(10));
hpd = 1;
} else if (((value & m_HOTPLUG)== 0) && (hpd == 1)) {
queue_delayed_work(hdmi->workqueue, &hdmi->delay_work, msecs_to_jiffies(10));
hpd = 0;
}
HDMIRdReg(INTERRUPT_STATUS1,&interrupt);
if(interrupt){
HDMIWrReg(INTERRUPT_STATUS1, interrupt);
}
if(interrupt & m_HOTPLUG){
if(hdmi->state == HDMI_SLEEP)
hdmi->state = WAIT_HOTPLUG;
if(hdmi->pwr_mode == LOWER_PWR)
rk616_hdmi_set_pwr_mode(NORMAL);
queue_delayed_work(hdmi->workqueue, &hdmi->delay_work, msecs_to_jiffies(10));
}
#if 0
if(hdmi->state == HDMI_SLEEP) {