/**********************************************************
** Function: LineOut Detection configuration function
** Parameter: none
** Return value: IRQ_HANDLED
**
************************************************************/
static int lineout_config_gpio()
{
int ret;
printk("HEADSET: Config LineOut detection gpio\n");
ret = gpio_request(hs_data->lineout_gpio, "lineout_int");
ret = gpio_direction_input(hs_data->lineout_gpio);
ret = request_irq(gpio_to_irq(hs_data->lineout_gpio),
&lineout_irq_handler,
IRQF_TRIGGER_FALLING|IRQF_TRIGGER_RISING,
"lineout_int", 0);
if(!is_support_dock()){
printk("%s: Not support dock\n", __func__);
lineout_alive = false;
switch_set_state(&hs_data->ldev, NO_DEVICE);
}else if (gpio_get_value(LINEOUT_GPIO) == 0){
lineout_alive = true;
audio_stand_route(true);
switch_set_state(&hs_data->ldev, LINEOUT_IN);
}else{
lineout_alive = false;
audio_stand_route(false);
switch_set_state(&hs_data->ldev, NO_DEVICE);
}
return 0;
}
static void lineout_work_queue(struct work_struct *work)
{
msleep(300);
if(!is_support_dock()){
printk("%s: Not support dock\n",__func__);
lineout_alive = false;
switch_set_state(&hs_data->ldev, NO_DEVICE);
return;
}
/* check if audio stand is inserted */
if(!isAudioStandIn()){
printk("LINEOUT: No Audio Stand in\n");
return;
}
if (gpio_get_value(LINEOUT_GPIO) == 0){
printk("LINEOUT: LineOut inserted\n");
lineout_alive = true;
audio_stand_route(true);
switch_set_state(&hs_data->ldev, LINEOUT_IN);
}else if(gpio_get_value(LINEOUT_GPIO)){
printk("LINEOUT: LineOut removed\n");
lineout_alive = false;
audio_stand_route(false);
switch_set_state(&hs_data->ldev, NO_DEVICE);
}
}
static void lineout_work_queue(struct work_struct *work)
{
msleep(300);
/* check if audio stand is inserted */
if(!isAudioStandIn()){
printk("LINEOUT: No Audio Stand in\n");
return;
}
if (gpio_get_value(LINEOUT_GPIO) == 0){
printk("LINEOUT: LineOut inserted\n");
lineout_alive = true;
audio_stand_route(true);
}else if(gpio_get_value(LINEOUT_GPIO)){
printk("LINEOUT: LineOut removed\n");
lineout_alive = false;
audio_stand_route(false);
}
}
/**********************************************************
** Function: LineOut Detection configuration function
** Parameter: none
** Return value: IRQ_HANDLED
**
************************************************************/
static int lineout_config_gpio()
{
int ret;
printk("HEADSET: Config LineOut detection gpio\n");
tegra_gpio_enable(LINEOUT_GPIO);
ret = gpio_request(LINEOUT_GPIO, "lineout_int");
ret = gpio_direction_input(LINEOUT_GPIO);
ret = request_irq(gpio_to_irq(LINEOUT_GPIO), &lineout_irq_handler,
IRQF_TRIGGER_FALLING|IRQF_TRIGGER_RISING, "lineout_int", 0);
if (gpio_get_value(LINEOUT_GPIO) == 0){
lineout_alive = true;
audio_stand_route(true);
}else{
lineout_alive = false;
audio_stand_route(false);
}
return 0;
}
