linux-kernel - Re: [PATCH 1/4] extcon: Unify the jig cable names on RT8963 and MAX14577/77693/77843

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Date:	Thu, 30 Apr 2015 11:03:34 +0900
From:	Chanwoo Choi <cw00.choi@...sung.com>
To:	Krzysztof Kozlowski <k.kozlowski@...sung.com>
Cc:	linux-kernel@...r.kernel.org, jaewon02.kim@...sung.com,
	myungjoo.ham@...sung.com, kyungmin.park@...sung.com
Subject: Re: [PATCH 1/4] extcon: Unify the jig cable names on RT8963 and
 MAX14577/77693/77843

On 04/30/2015 11:00 AM, Krzysztof Kozlowski wrote:
> On 27.04.2015 21:31, Chanwoo Choi wrote:
>> This patch change the name of various jig cables as 'JIG' because the name of
>> various jig cables are strange and ambiguous on user-space aspect. They include
>> the different information of either USB and UART state. It is never important
>> for user-space process. This patch unifies the name of jig cables as following:
>> - JIG-USB-ON   -->|--> JIG
>> - JIG-USB-OFF  -->|
>> - JIG-UART-ON  -->|
>> - JIG-UART-OFF -->|
>>
>> Cc: Jaewon Kim <jaewon02.kim@...sung.com>
>> Cc: Krzysztof Kozlowski <k.kozlowski@...sung.com>
>> Signed-off-by: Chanwoo Choi <cw00.choi@...sung.com>
>> ---
>>   drivers/extcon/extcon-max14577.c | 19 +++----------------
>>   drivers/extcon/extcon-max77693.c | 23 +++--------------------
>>   drivers/extcon/extcon-max77843.c | 39 ++++++++++++++-------------------------
>>   drivers/extcon/extcon-rt8973a.c  | 22 +++++-----------------
>>   4 files changed, 25 insertions(+), 78 deletions(-)
>>

[snip]

>>   struct max77843_muic_irq {
>> @@ -385,36 +379,31 @@ static int max77843_muic_jig_handler(struct max77843_muic_info *info,
>>           int cable_type, bool attached)
>>   {
>>       int ret;
>> +    u8 path = CTRL1_SW_OPEN;
>>
>>       dev_dbg(info->dev, "external connector is %s (adc:0x%02x)\n",
>>               attached ? "attached" : "detached", cable_type);
>>
>>       switch (cable_type) {
>>       case MAX77843_MUIC_ADC_FACTORY_MODE_USB_OFF:
>> -        ret = max77843_muic_set_path(info, CONTROL1_SW_USB, attached);
>> -        if (ret < 0)
>> -            return ret;
>> -        extcon_set_cable_state(info->edev, "JIG-USB-OFF", attached);
>> -        break;
>>       case MAX77843_MUIC_ADC_FACTORY_MODE_USB_ON:
>> -        ret = max77843_muic_set_path(info, CONTROL1_SW_USB, attached);
>> -        if (ret < 0)
>> -            return ret;
>> -        extcon_set_cable_state(info->edev, "JIG-USB-ON", attached);
>> +        path = CONTROL1_SW_USB;
>>           break;
>>       case MAX77843_MUIC_ADC_FACTORY_MODE_UART_OFF:
>> -        ret = max77843_muic_set_path(info, CONTROL1_SW_UART, attached);
>> -        if (ret < 0)
>> -            return ret;
>> -        extcon_set_cable_state(info->edev, "JIG-UART-OFF", attached);
>> +        path = CONTROL1_SW_UART;
>>           break;
>>       default:
>> -        ret = max77843_muic_set_path(info, CONTROL1_SW_OPEN, attached);
>> -        if (ret < 0)
>> -            return ret;
>> -        break;
>> +        dev_err(info->dev, "failed to detect %s jig cable\n",
>> +            attached ? "attached" : "detached");
>> +        return -EINVAL;
> 
> The logic for this default case is changed and it is not related to the patch (unification of JIG). Could you split it into separate patch?
> 
> Rest looks fine.

OK. I'll split out.

Thanks,
Chanwoo Choi

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