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modify the play key

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罗伟
2010-06-08 02:35:16 +00:00
committed by 黄涛
parent 731ca45a76
commit f3631e5573
1 changed files with 57 additions and 14 deletions
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71
drivers/input/keyboard/rk2818_adckey.c
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@@ -41,10 +41,13 @@
#define AD2KEY5 158 ///BACK
#define AD2KEY6 61 ///CALL
#define KEYSTART 28 //ENTER
#define KEYMENU AD2KEY6 ///CALL
#define KEY_PLAYON_PIN RK2818_PIN_PE1
#define ENDCALL 62
#define ENDCALL 62
#define KEYSTART 28 //ENTER
#define KEYMENU AD2KEY6 ///CALL
#define KEY_PLAYON_PIN RK2818_PIN_PE1
#define KEY_PLAY_SHORT_PRESS KEYSTART //code for short press the play key
#define KEY_PLAY_LONG_PRESS ENDCALL //code for long press the play key
#define Valuedrift 50
#define ADEmpty 1000
@@ -61,7 +64,9 @@ volatile int gStatePlaykey = 0;
volatile unsigned int gCodeCount = 0;
volatile unsigned int gThisCode = 0;
volatile unsigned int gLastCode = 0;
volatile unsigned int gFlagShortPlay = 0;
volatile unsigned int gFlagLongPlay = 0;
volatile unsigned int gPlayCount = 0;
//ADC Registers
typedef struct tagADC_keyst
{
@@ -113,22 +118,20 @@ unsigned int rk28_get_keycode(unsigned int advalue,pADC_keyst ptab)
return 0;
}
#if 0
static irqreturn_t rk28_playkey_irq(int irq, void *handle)
{
input_report_key(pRk28AdcKey->input_dev,KEYSTART,1);
input_report_key(pRk28AdcKey->input_dev,KEY_PLAY_SHORT_PRESS,1);
input_sync(pRk28AdcKey->input_dev);
input_report_key(pRk28AdcKey->input_dev,KEYSTART,0);
input_report_key(pRk28AdcKey->input_dev,KEY_PLAY_SHORT_PRESS,0);
input_sync(pRk28AdcKey->input_dev);
input_report_key(pRk28AdcKey->input_dev,ENDCALL,1);
input_sync(pRk28AdcKey->input_dev);
input_report_key(pRk28AdcKey->input_dev,ENDCALL,0);
input_sync(pRk28AdcKey->input_dev);
DBG("Enter::%s,LINE=%d,KEYSTART=%d,ENDCALL=%d0\n",__FUNCTION__,__LINE__,KEYSTART,ENDCALL);
gFlagPlay = 1;
DBG("Enter::%s,LINE=%d,KEY_PLAY_SHORT_PRESS=%d\n",__FUNCTION__,__LINE__,KEY_PLAY_SHORT_PRESS);
return IRQ_HANDLED;
}
#endif
void rk28_send_wakeup_key( void )
{
input_report_key(pRk28AdcKey->input_dev,KEY_WAKEUP,1);
@@ -179,7 +182,39 @@ static void rk28_adkeyscan_timer(unsigned long data)
pRk28AdcKey->timer.expires = jiffies + msecs_to_jiffies(10);
add_timer(&pRk28AdcKey->timer);
/*handle long press of play key*/
if(gpio_get_value(KEY_PLAYON_PIN) == 0)
{
if((++gPlayCount > 2) && (gFlagShortPlay == 0))
{
input_report_key(pRk28AdcKey->input_dev,KEY_PLAY_SHORT_PRESS,1);
input_sync(pRk28AdcKey->input_dev);
input_report_key(pRk28AdcKey->input_dev,KEY_PLAY_SHORT_PRESS,0);
input_sync(pRk28AdcKey->input_dev);
gFlagShortPlay = 1;
DBG("Enter::%s,LINE=%d,KEY_PLAY_SHORT_PRESS=%d\n",__FUNCTION__,__LINE__,KEY_PLAY_SHORT_PRESS);
}
else if((++gPlayCount > 100) && (gFlagLongPlay == 0))
{
input_report_key(pRk28AdcKey->input_dev,KEY_PLAY_LONG_PRESS,1);
input_sync(pRk28AdcKey->input_dev);
input_report_key(pRk28AdcKey->input_dev,KEY_PLAY_LONG_PRESS,0);
input_sync(pRk28AdcKey->input_dev);
gFlagLongPlay = 1;
gPlayCount = 0;
DBG("Enter::%s,LINE=%d,KEY_PLAY_LONG_PRESS=%d\n",__FUNCTION__,__LINE__,KEY_PLAY_LONG_PRESS);
}
}
else
{
gFlagShortPlay = 0;
gFlagLongPlay = 0;
gPlayCount = 0;
}
/*handle long press of adc key*/
if (gADSampleTimes < 4)
{
gADSampleTimes ++;
@@ -312,13 +347,21 @@ static int __devinit rk28_adckey_probe(struct platform_device *pdev)
}
gpio_pull_updown(KEY_PLAYON_PIN,GPIOPullUp);
#if 0
error = request_irq(gpio_to_irq(KEY_PLAYON_PIN),rk28_playkey_irq,IRQF_TRIGGER_FALLING,NULL,NULL);
if(error)
{
printk("unable to request play key irq\n");
goto free_gpio_irq;
}
#else
error = gpio_direction_input(KEY_PLAYON_PIN);
if (error)
{
printk("failed to set gpio KEY_PLAYON_PIN input\n");
goto free_gpio_irq;
}
#endif
setup_timer(&adckey->timer, rk28_adkeyscan_timer, (unsigned long)adckey);
adckey->timer.expires = jiffies+50;
add_timer(&adckey->timer);