void FSA9480_MhlSwitchSel(bool sw)
{
struct i2c_client *client = local_usbsw->client;
//struct power_supply *mhl_power_supply = power_supply_get_by_name("battery");
// union power_supply_propval value;
printk("[FSA] mutex_lock\n");
//mutex_lock(&FSA9480_MhlSwitchSel_lock);//avoid race condtion between mhl and hpd
if(sw)
{
sii9234_cfg_power(1);
if (gv_intr2&0x1) //cts: fix for 3355
{
mhl_vbus = true;
mhl_power_supply=1;
local_pdata->charger_cb(FSA9480_ATTACHED);
gv_intr2=0;
printk("vbus_power is detected\n");
}
SiI9234_init();
}
else
{
if (tegra_dc_hdmi_hpd())
{
printk("[FSA] Turn off hdmi\n");
mhl_hpd_handler(false);
}
if(mhl_power_supply==1)
{
mhl_power_supply=0;
local_pdata->charger_cb(FSA9480_DETACHED);
}
mhl_vbus = false;
sii9234_cfg_power(0); //Turn Off power to SiI9234
}
/********************FSA-MHL-FSA Switching start***************************/
DisableFSA9480Interrupts();
{
//gpio_set_value_cansleep(GPIO_MHL_SEL, sw);
sii9234_switch_onoff(sw);
i2c_smbus_read_byte_data(client, FSA9480_REG_INT1);
}
EnableFSA9480Interrupts();
/******************FSA-MHL-FSA Switching End*******************************/
//mutex_unlock(&FSA9480_MhlSwitchSel_lock);
printk("[FSA] mutex_unlock\n");
}
void MHL_On(bool on)
{
printk("MHL_On(%d)\n", on);
if (on == 1) {
gpio_set_value(GPIO_MHL_SEL, 1);
sii9234_cfg_power(1);
SiI9234_init();
} else {
gpio_set_value(GPIO_MHL_RST, 0);
sii9234_cfg_power(0);
gpio_set_value(GPIO_MHL_SEL, 0);
#ifdef TIMER_ACC_ADC
old_adc_mhl_detected = false;
hrtimer_start(&sii9234_adc_timer,
ns_to_ktime(250000000/*500ms*/), HRTIMER_MODE_REL);
#endif
}
}
static ssize_t change_switch_store(struct device *dev, struct device_attribute *attr, const char *buf, size_t size)
{
char *after;
unsigned long value = simple_strtoul(buf, &after, 10);
int i;
printk(KERN_ERR "[MHL_SWITCH] Change the switch: %ld\n", value);
if (value == 0) {
for (i = 0; i <1; i++) {
printk(KERN_ERR "[MHL] try %d\n", i+1);
msleep(500);
}
gpio_set_value(GPIO_MHL_SEL, 1);
sii9234_cfg_power(1);
SiI9234_init();
} else {
gpio_set_value(GPIO_MHL_RST, 0);
sii9234_cfg_power(0);
gpio_set_value(GPIO_MHL_SEL, 0);
}
return size;
}
void mhl_onff_handler(struct work_struct *work) //Rajucm
{
// struct i2c_client *client = local_usbsw->client;
printk("praveen: mhl on off handler\n");
//Rajucm: phone Power on with MHL Cable,avoid crash
while((!SII9234_i2c_status))
{ //4Control enters into while loop only when fsa9480 detects MHL-cable @ phone bootup
//printk(KERN_ERR"[FSA9480]## mhl cable detected during boot ## \n");
//i2c_smbus_write_byte_data(client, 0x02, (0x01|i2c_smbus_read_byte_data(client, 0x02))); //DisableFSA9480Interrupts
if(!sec_get_lpm_mode())
{
printk(KERN_ERR "[FSA9480]## %s ## \n", SII9234_i2c_status? "Ready to start MHL":"Let's Sleep untill MHL condition comes true");
wait_event_interruptible_timeout(fsa9480_MhlWaitEvent, SII9234_i2c_status, msecs_to_jiffies(5*1000)); //5sec:
}
//skip controlling the sii9234 on lpm mode
if(sec_get_lpm_mode())
{
//ignore turn on mhl because of only charging mode in power off state!
printk(KERN_DEBUG "lpm_mode booting, so there is no to turn on mhl:mhl_onoff[%d]\n",mhl_onoff);
//only desk_dock without mhl cable!
DisableFSA9480Interrupts();
FSA9480_CheckAndHookAudioDock(USE_DESK_DOCK,mhl_onoff);
return;
}
}
if(mhl_onoff)
{
sii9234_cfg_power(1); //Turn On power to SiI9234
printk("Praveen:The value of mhl_cable_status is %d\n", mhl_cable_status);
if(mhl_cable_status == 0x08 || mhl_cable_status == 0x00 || mhl_cable_status == 0x03)
{
SiI9234_init();
local_usbsw->check_watchdog=0;
schedule_delayed_work(&local_usbsw->fsa_watchdog, msecs_to_jiffies(3000));
DisableFSA9480Interrupts();
gpio_set_value_cansleep(GPIO_MHL_SEL, mhl_onoff);
}
}
else
{
sii9234_cfg_power(0); //Turn Off power to SiI9234
DisableFSA9480Interrupts();
gpio_set_value_cansleep(GPIO_MHL_SEL, mhl_onoff);
mhl_cable_status = 0x08; //Once mhl powered off cable status cannot be 0x07;
}
// this code only for deskdock [
if (!mhl_onoff)
{
if (usedeskdock)
{
FSA9480_CheckAndHookAudioDock(USE_DESK_DOCK, 0);
}
else
{
FSA9480_CheckAndHookAudioDock(USB_HDMI_CABLE,0);
EnableFSA9480Interrupts();
}
}
// ]
}
