[PATCH V2 2/4] extcon: palmas: enable ID_GND and ID_FLOAT detection always

Laxman Dewangan ldewangan at nvidia.com
Wed Jul 10 17:16:15 EST 2013


On Wednesday 10 July 2013 12:32 PM, Chanwoo Choi wrote:
> Hi Laxman,
>
>> @@ -84,28 +86,23 @@ static irqreturn_t palmas_id_irq_handler(int irq, void *_palmas_usb)
>>   
>>   	if (set & PALMAS_USB_ID_INT_SRC_ID_GND) {
>>   		palmas_write(palmas_usb->palmas, PALMAS_USB_OTG_BASE,
>> -			PALMAS_USB_ID_INT_EN_HI_SET,
>> -			PALMAS_USB_ID_INT_EN_HI_SET_ID_FLOAT);
>> -		palmas_write(palmas_usb->palmas, PALMAS_USB_OTG_BASE,
>> -			PALMAS_USB_ID_INT_EN_HI_CLR,
>> -			PALMAS_USB_ID_INT_EN_HI_CLR_ID_GND);
>> -		palmas_write(palmas_usb->palmas, PALMAS_USB_OTG_BASE,
>>   			PALMAS_USB_ID_INT_LATCH_CLR,
>>   			PALMAS_USB_ID_INT_EN_HI_CLR_ID_GND);
>>   		palmas_usb->linkstat = PALMAS_USB_STATE_ID;
>>   		extcon_set_cable_state(&palmas_usb->edev, "USB-HOST", true);
>> +		dev_info(palmas_usb->dev, "HOST cable is attached\n");
>>   	} else if (set & PALMAS_USB_ID_INT_SRC_ID_FLOAT) {
>>   		palmas_write(palmas_usb->palmas, PALMAS_USB_OTG_BASE,
>> -			PALMAS_USB_ID_INT_EN_HI_SET,
>> -			PALMAS_USB_ID_INT_EN_HI_SET_ID_GND);
>> -		palmas_write(palmas_usb->palmas, PALMAS_USB_OTG_BASE,
>> -			PALMAS_USB_ID_INT_EN_HI_CLR,
>> -			PALMAS_USB_ID_INT_EN_HI_CLR_ID_FLOAT);
>> -		palmas_write(palmas_usb->palmas, PALMAS_USB_OTG_BASE,
>>   			PALMAS_USB_ID_INT_LATCH_CLR,
>>   			PALMAS_USB_ID_INT_EN_HI_CLR_ID_FLOAT);
>>   		palmas_usb->linkstat = PALMAS_USB_STATE_DISCONNECT;
>>   		extcon_set_cable_state(&palmas_usb->edev, "USB-HOST", false);
>> +		dev_info(palmas_usb->dev, "HOST cable is detached\n");
>> +	} else if ((palmas_usb->linkstat == PALMAS_USB_STATE_ID) &&
>> +				(!(set & PALMAS_USB_ID_INT_SRC_ID_GND))) {
>> +		palmas_usb->linkstat = PALMAS_USB_STATE_DISCONNECT;
>> +		extcon_set_cable_state(&palmas_usb->edev, "USB-HOST", false);
>> +		dev_info(palmas_usb->dev, "HOST cable is detached\n");
>>   	}
> After I modify info message when USB-HOST cable is attached or detached
> as following mesesage, I applied this patch.
>
> "HOST cable is ..." -> "USB-HOST cable is"

Thank you very much for correction and more meaningful message.

Thanks,
Laxman



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