Re: [PATCH v4] extcon: Modify the id and name of external connector

From: Chanwoo Choi
Date: Wed Oct 14 2015 - 22:22:35 EST


Hi Roger,

On 2015ë 10ì 14ì 16:13, Roger Quadros wrote:
> Chanwoo,
>
> On 08/10/15 12:24, Chanwoo Choi wrote:
>> This patch modifies the id and name of external connector with the
>> additional prefix to clarify both attribute and meaning of external
>> connector as following:
>> - EXTCON_CHG_* mean the charger connector.
>> - EXTCON_JACK_* mean the jack connector.
>> - EXTCON_DISP_* mean the display port connector.
>>
>> Following table show the new name of external connector with old name:
>> --------------------------------------------------
>> Old extcon name | New extcon name |
>> --------------------------------------------------
>> EXTCON_TA | EXTCON_CHG_USB_DCP |
>> EXTCON_CHARGE_DOWNSTREAM| EXTCON_CHG_USB_CDP |
>> EXTCON_FAST_CHARGER | EXTCON_CHG_USB_FAST |
>> EXTCON_SLOW_CHARGER | EXTCON_CHG_USB_SLOW |
>> --------------------------------------------------
>> EXTCON_MICROPHONE | EXTCON_JACK_MICROPHONE |
>> EXTCON_HEADPHONE | EXTCON_JACK_HEADPHONE |
>> EXTCON_LINE_IN | EXTCON_JACK_LINE_IN |
>> EXTCON_LINE_OUT | EXTCON_JACK_LINE_OUT |
>> EXTCON_VIDEO_IN | EXTCON_JACK_VIDEO_IN |
>> EXTCON_VIDEO_OUT | EXTCON_JACK_VIDEO_OUT |
>> EXTCON_SPDIF_IN | EXTCON_JACK_SPDIF_IN |
>> EXTCON_SPDIF_OUT | EXTCON_JACK_SPDIF_OUT |
>> --------------------------------------------------
>> EXTCON_HMDI | EXTCON_DISP_HDMI |
>> EXTCON_MHL | EXTCON_DISP_MHL |
>> EXTCON_DVI | EXTCON_DISP_DVI |
>> EXTCON_VGA | EXTCON_DISP_VGA |
>> --------------------------------------------------
>>
>> And, when altering the name of USB charger connector, EXTCON refers to the
>> "Battery Charging v1.2 Spec and Adopters Agreement"[1] to use the standard
>> name of USB charging port as following. Following name of USB charging port
>> are already used in power_supply subsystem. We chan check it on patch[2].
>> - EXTCON_CHG_USB_SDP /* Standard Downstream Port */
>> - EXTCON_CHG_USB_DCP /* Dedicated Charging Port */
>> - EXTCON_CHG_USB_CDP /* Charging Downstream Port */
>> - EXTCON_CHG_USB_ACA /* Accessory Charger Adapter */
>>
>> [1] www.usb.org/developers/docs/devclass_docs/BCv1.2_070312.zip
>> [2] commit 85efc8a18ced ("power_supply: Add types for USB chargers")
>>
>> Signed-off-by: Chanwoo Choi <cw00.choi@xxxxxxxxxxx>
>> [ckeepax: For the Arizona changes]
>> Acked-by: Charles Keepax <ckeepax@xxxxxxxxxxxxxxxxxxxxxxxxxxx>
>> ---
>> Changes from v3:
>> (https://lkml.org/lkml/2015/10/6/984)
>> - Modify the name of fast/slow charger connector as following:
>> : EXTCON_CHG_USB_DCP_FAST -> EXTCON_CHG_USB_FAST
>> : EXTCON_CHG_USB_DCP_SLOW -> EXTCON_CHG_USB_SLOW
>> - Add EXTCON_CHG_USB_SDP to mean the charging connector of SDP (Standard
>> Downstream Port)
>>
>> Changes from v2:
>> (https://lkml.org/lkml/2015/10/6/239)
>> - Remove the EXTCON_CHG_USB type to remove the possible confusion according to
>> Roger's comment and drop patch2 about EXTCON_CHG_USB.
>> - Fix the warning issue provided by scripts/checkpatch.pl
>>
>> Changes from v1:
>> (https://lkml.org/lkml/2015/10/3/304)
>> - Add acked tag by Charles Keepax for arizona changes
>> - Modify the name of USB charger connector as following:
>> : EXTCON_CHG_USB_FAST -> EXTCON_CHG_USB_DCP_FAST
>> : EXTCON_CHG_USB_SLOW -> EXTCON_CHG_USB_DCP_SLOW
>> - Add the missing EXTCON_CHG_USB_ACA charger connector
>> - Add one more patch to support the EXTCON_CHG_USB when SDP port is
>> connected or not
>>
>> drivers/extcon/extcon-arizona.c | 18 ++++++------
>> drivers/extcon/extcon-axp288.c | 12 ++++----
>> drivers/extcon/extcon-max14577.c | 17 +++++------
>> drivers/extcon/extcon-max77693.c | 32 +++++++++++----------
>> drivers/extcon/extcon-max77843.c | 27 +++++++++--------
>> drivers/extcon/extcon-max8997.c | 21 +++++++-------
>> drivers/extcon/extcon-rt8973a.c | 4 +--
>> drivers/extcon/extcon-sm5502.c | 4 +--
>> drivers/extcon/extcon.c | 61 ++++++++++++++++++++-------------------
>> include/linux/extcon.h | 62 +++++++++++++++++++++++-----------------
>> 10 files changed, 139 insertions(+), 119 deletions(-)
>>
>> diff --git a/drivers/extcon/extcon-arizona.c b/drivers/extcon/extcon-arizona.c
>> index a1ab0a56b798..e4890dd4fefd 100644
>> --- a/drivers/extcon/extcon-arizona.c
>> +++ b/drivers/extcon/extcon-arizona.c
>> @@ -137,9 +137,9 @@ static const int arizona_micd_levels[] = {
>>
>> static const unsigned int arizona_cable[] = {
>> EXTCON_MECHANICAL,
>> - EXTCON_MICROPHONE,
>> - EXTCON_HEADPHONE,
>> - EXTCON_LINE_OUT,
>> + EXTCON_JACK_MICROPHONE,
>> + EXTCON_JACK_HEADPHONE,
>> + EXTCON_JACK_LINE_OUT,
>> EXTCON_NONE,
>> };
>>
>> @@ -600,7 +600,7 @@ static irqreturn_t arizona_hpdet_irq(int irq, void *data)
>> struct arizona_extcon_info *info = data;
>> struct arizona *arizona = info->arizona;
>> int id_gpio = arizona->pdata.hpdet_id_gpio;
>> - unsigned int report = EXTCON_HEADPHONE;
>> + unsigned int report = EXTCON_JACK_HEADPHONE;
>> int ret, reading;
>> bool mic = false;
>>
>> @@ -645,9 +645,9 @@ static irqreturn_t arizona_hpdet_irq(int irq, void *data)
>>
>> /* Report high impedence cables as line outputs */
>> if (reading >= 5000)
>> - report = EXTCON_LINE_OUT;
>> + report = EXTCON_JACK_LINE_OUT;
>> else
>> - report = EXTCON_HEADPHONE;
>> + report = EXTCON_JACK_HEADPHONE;
>>
>> ret = extcon_set_cable_state_(info->edev, report, true);
>> if (ret != 0)
>> @@ -732,7 +732,7 @@ err:
>> ARIZONA_ACCDET_MODE_MASK, ARIZONA_ACCDET_MODE_MIC);
>>
>> /* Just report headphone */
>> - ret = extcon_set_cable_state_(info->edev, EXTCON_HEADPHONE, true);
>> + ret = extcon_set_cable_state_(info->edev, EXTCON_JACK_HEADPHONE, true);
>> if (ret != 0)
>> dev_err(arizona->dev, "Failed to report headphone: %d\n", ret);
>>
>> @@ -789,7 +789,7 @@ err:
>> ARIZONA_ACCDET_MODE_MASK, ARIZONA_ACCDET_MODE_MIC);
>>
>> /* Just report headphone */
>> - ret = extcon_set_cable_state_(info->edev, EXTCON_HEADPHONE, true);
>> + ret = extcon_set_cable_state_(info->edev, EXTCON_JACK_HEADPHONE, true);
>> if (ret != 0)
>> dev_err(arizona->dev, "Failed to report headphone: %d\n", ret);
>>
>> @@ -915,7 +915,7 @@ static void arizona_micd_detect(struct work_struct *work)
>> arizona_identify_headphone(info);
>>
>> ret = extcon_set_cable_state_(info->edev,
>> - EXTCON_MICROPHONE, true);
>> + EXTCON_JACK_MICROPHONE, true);
>> if (ret != 0)
>> dev_err(arizona->dev, "Headset report failed: %d\n",
>> ret);
>> diff --git a/drivers/extcon/extcon-axp288.c b/drivers/extcon/extcon-axp288.c
>> index 9668d6a94e38..fd55c2f2080a 100644
>> --- a/drivers/extcon/extcon-axp288.c
>> +++ b/drivers/extcon/extcon-axp288.c
>> @@ -102,9 +102,9 @@ enum axp288_extcon_irq {
>> };
>>
>> static const unsigned int axp288_extcon_cables[] = {
>> - EXTCON_SLOW_CHARGER,
>> - EXTCON_CHARGE_DOWNSTREAM,
>> - EXTCON_FAST_CHARGER,
>> + EXTCON_CHG_USB_SDP,
>> + EXTCON_CHG_USB_CDP,
>> + EXTCON_CHG_USB_DCP,
>> EXTCON_NONE,
>> };
>>
>> @@ -192,18 +192,18 @@ static int axp288_handle_chrg_det_event(struct axp288_extcon_info *info)
>> dev_dbg(info->dev, "sdp cable is connecetd\n");
>> notify_otg = true;
>> notify_charger = true;
>> - cable = EXTCON_SLOW_CHARGER;
>> + cable = EXTCON_CHG_USB_SDP;
>> break;
>> case DET_STAT_CDP:
>> dev_dbg(info->dev, "cdp cable is connecetd\n");
>> notify_otg = true;
>> notify_charger = true;
>> - cable = EXTCON_CHARGE_DOWNSTREAM;
>> + cable = EXTCON_CHG_USB_CDP;
>> break;
>> case DET_STAT_DCP:
>> dev_dbg(info->dev, "dcp cable is connecetd\n");
>> notify_charger = true;
>> - cable = EXTCON_FAST_CHARGER;
>> + cable = EXTCON_CHG_USB_DCP;
>> break;
>> default:
>> dev_warn(info->dev,
>> diff --git a/drivers/extcon/extcon-max14577.c b/drivers/extcon/extcon-max14577.c
>> index df0659d98e5a..601dbd996487 100644
>> --- a/drivers/extcon/extcon-max14577.c
>> +++ b/drivers/extcon/extcon-max14577.c
>> @@ -150,10 +150,10 @@ enum max14577_muic_acc_type {
>>
>> static const unsigned int max14577_extcon_cable[] = {
>> EXTCON_USB,
>> - EXTCON_TA,
>> - EXTCON_FAST_CHARGER,
>> - EXTCON_SLOW_CHARGER,
>> - EXTCON_CHARGE_DOWNSTREAM,
>> + EXTCON_CHG_USB_DCP,
>> + EXTCON_CHG_USB_FAST,
>> + EXTCON_CHG_USB_SLOW,
>> + EXTCON_CHG_USB_CDP,
>> EXTCON_JIG,
>> EXTCON_NONE,
>> };
>> @@ -456,18 +456,19 @@ static int max14577_muic_chg_handler(struct max14577_muic_info *info)
>> extcon_set_cable_state_(info->edev, EXTCON_USB, attached);
>> break;
>> case MAX14577_CHARGER_TYPE_DEDICATED_CHG:
>> - extcon_set_cable_state_(info->edev, EXTCON_TA, attached);
>> + extcon_set_cable_state_(info->edev, EXTCON_CHG_USB_DCP,
>> + attached);
>> break;
>> case MAX14577_CHARGER_TYPE_DOWNSTREAM_PORT:
>> - extcon_set_cable_state_(info->edev, EXTCON_CHARGE_DOWNSTREAM,
>> + extcon_set_cable_state_(info->edev, EXTCON_CHG_USB_CDP,
>> attached);
>> break;
>> case MAX14577_CHARGER_TYPE_SPECIAL_500MA:
>> - extcon_set_cable_state_(info->edev, EXTCON_SLOW_CHARGER,
>> + extcon_set_cable_state_(info->edev, EXTCON_CHG_USB_SLOW,
>> attached);
>> break;
>> case MAX14577_CHARGER_TYPE_SPECIAL_1A:
>> - extcon_set_cable_state_(info->edev, EXTCON_FAST_CHARGER,
>> + extcon_set_cable_state_(info->edev, EXTCON_CHG_USB_FAST,
>> attached);
>> break;
>> case MAX14577_CHARGER_TYPE_NONE:
>> diff --git a/drivers/extcon/extcon-max77693.c b/drivers/extcon/extcon-max77693.c
>> index 35b9e118b2fb..44c499e1beee 100644
>> --- a/drivers/extcon/extcon-max77693.c
>> +++ b/drivers/extcon/extcon-max77693.c
>> @@ -204,11 +204,11 @@ enum max77693_muic_acc_type {
>> static const unsigned int max77693_extcon_cable[] = {
>> EXTCON_USB,
>> EXTCON_USB_HOST,
>> - EXTCON_TA,
>> - EXTCON_FAST_CHARGER,
>> - EXTCON_SLOW_CHARGER,
>> - EXTCON_CHARGE_DOWNSTREAM,
>> - EXTCON_MHL,
>> + EXTCON_CHG_USB_DCP,
>> + EXTCON_CHG_USB_FAST,
>> + EXTCON_CHG_USB_SLOW,
>> + EXTCON_CHG_USB_CDP,
>> + EXTCON_DISP_MHL,
>> EXTCON_JIG,
>> EXTCON_DOCK,
>> EXTCON_NONE,
>> @@ -505,7 +505,7 @@ static int max77693_muic_dock_handler(struct max77693_muic_info *info,
>> return ret;
>>
>> extcon_set_cable_state_(info->edev, EXTCON_DOCK, attached);
>> - extcon_set_cable_state_(info->edev, EXTCON_MHL, attached);
>> + extcon_set_cable_state_(info->edev, EXTCON_DISP_MHL, attached);
>> goto out;
>> case MAX77693_MUIC_ADC_AUDIO_MODE_REMOTE: /* Dock-Desk */
>> dock_id = EXTCON_DOCK;
>> @@ -605,7 +605,7 @@ static int max77693_muic_adc_ground_handler(struct max77693_muic_info *info)
>> case MAX77693_MUIC_GND_MHL:
>> case MAX77693_MUIC_GND_MHL_VB:
>> /* MHL or MHL with USB/TA cable */
>> - extcon_set_cable_state_(info->edev, EXTCON_MHL, attached);
>> + extcon_set_cable_state_(info->edev, EXTCON_DISP_MHL, attached);
>> break;
>> default:
>> dev_err(info->dev, "failed to detect %s cable of gnd type\n",
>> @@ -801,10 +801,11 @@ static int max77693_muic_chg_handler(struct max77693_muic_info *info)
>> * - Support charging through micro-usb port without
>> * data connection
>> */
>> - extcon_set_cable_state_(info->edev, EXTCON_TA, attached);
>> + extcon_set_cable_state_(info->edev, EXTCON_CHG_USB_DCP,
>> + attached);
>> if (!cable_attached)
>> - extcon_set_cable_state_(info->edev, EXTCON_MHL,
>> - cable_attached);
>> + extcon_set_cable_state_(info->edev,
>> + EXTCON_DISP_MHL, cable_attached);
>> break;
>> }
>>
>> @@ -862,7 +863,7 @@ static int max77693_muic_chg_handler(struct max77693_muic_info *info)
>>
>> extcon_set_cable_state_(info->edev, EXTCON_DOCK,
>> attached);
>> - extcon_set_cable_state_(info->edev, EXTCON_MHL,
>> + extcon_set_cable_state_(info->edev, EXTCON_DISP_MHL,
>> attached);
>> break;
>> }
>> @@ -901,20 +902,21 @@ static int max77693_muic_chg_handler(struct max77693_muic_info *info)
>> break;
>> case MAX77693_CHARGER_TYPE_DEDICATED_CHG:
>> /* Only TA cable */
>> - extcon_set_cable_state_(info->edev, EXTCON_TA, attached);
>> + extcon_set_cable_state_(info->edev, EXTCON_CHG_USB_DCP,
>> + attached);
>> break;
>> }
>> break;
>> case MAX77693_CHARGER_TYPE_DOWNSTREAM_PORT:
>> - extcon_set_cable_state_(info->edev, EXTCON_CHARGE_DOWNSTREAM,
>> + extcon_set_cable_state_(info->edev, EXTCON_CHG_USB_CDP,
>> attached);
>> break;
>> case MAX77693_CHARGER_TYPE_APPLE_500MA:
>> - extcon_set_cable_state_(info->edev, EXTCON_SLOW_CHARGER,
>> + extcon_set_cable_state_(info->edev, EXTCON_CHG_USB_SLOW,
>> attached);
>> break;
>> case MAX77693_CHARGER_TYPE_APPLE_1A_2A:
>> - extcon_set_cable_state_(info->edev, EXTCON_FAST_CHARGER,
>> + extcon_set_cable_state_(info->edev, EXTCON_CHG_USB_FAST,
>> attached);
>> break;
>> case MAX77693_CHARGER_TYPE_DEAD_BATTERY:
>> diff --git a/drivers/extcon/extcon-max77843.c b/drivers/extcon/extcon-max77843.c
>> index fdd928542c19..9f9ea334399c 100644
>> --- a/drivers/extcon/extcon-max77843.c
>> +++ b/drivers/extcon/extcon-max77843.c
>> @@ -122,11 +122,11 @@ enum max77843_muic_charger_type {
>> static const unsigned int max77843_extcon_cable[] = {
>> EXTCON_USB,
>> EXTCON_USB_HOST,
>> - EXTCON_TA,
>> - EXTCON_CHARGE_DOWNSTREAM,
>> - EXTCON_FAST_CHARGER,
>> - EXTCON_SLOW_CHARGER,
>> - EXTCON_MHL,
>> + EXTCON_CHG_USB_DCP,
>> + EXTCON_CHG_USB_CDP,
>> + EXTCON_CHG_USB_FAST,
>> + EXTCON_CHG_USB_SLOW,
>> + EXTCON_DISP_MHL,
>> EXTCON_JIG,
>> EXTCON_NONE,
>> };
>> @@ -355,7 +355,7 @@ static int max77843_muic_adc_gnd_handler(struct max77843_muic_info *info)
>> if (ret < 0)
>> return ret;
>>
>> - extcon_set_cable_state_(info->edev, EXTCON_MHL, attached);
>> + extcon_set_cable_state_(info->edev, EXTCON_DISP_MHL, attached);
>> break;
>> default:
>> dev_err(info->dev, "failed to detect %s accessory(gnd:0x%x)\n",
>> @@ -494,7 +494,7 @@ static int max77843_muic_chg_handler(struct max77843_muic_info *info)
>> if (ret < 0)
>> return ret;
>>
>> - extcon_set_cable_state_(info->edev, EXTCON_CHARGE_DOWNSTREAM,
>> + extcon_set_cable_state_(info->edev, EXTCON_CHG_USB_CDP,
>> attached);
>> break;
>> case MAX77843_MUIC_CHG_DEDICATED:
>> @@ -504,7 +504,8 @@ static int max77843_muic_chg_handler(struct max77843_muic_info *info)
>> if (ret < 0)
>> return ret;
>>
>> - extcon_set_cable_state_(info->edev, EXTCON_TA, attached);
>> + extcon_set_cable_state_(info->edev, EXTCON_CHG_USB_DCP,
>> + attached);
>> break;
>> case MAX77843_MUIC_CHG_SPECIAL_500MA:
>> ret = max77843_muic_set_path(info,
>> @@ -513,7 +514,7 @@ static int max77843_muic_chg_handler(struct max77843_muic_info *info)
>> if (ret < 0)
>> return ret;
>>
>> - extcon_set_cable_state_(info->edev, EXTCON_SLOW_CHARGER,
>> + extcon_set_cable_state_(info->edev, EXTCON_CHG_USB_SLOW,
>> attached);
>> break;
>> case MAX77843_MUIC_CHG_SPECIAL_1A:
>> @@ -523,7 +524,7 @@ static int max77843_muic_chg_handler(struct max77843_muic_info *info)
>> if (ret < 0)
>> return ret;
>>
>> - extcon_set_cable_state_(info->edev, EXTCON_FAST_CHARGER,
>> + extcon_set_cable_state_(info->edev, EXTCON_CHG_USB_FAST,
>> attached);
>> break;
>> case MAX77843_MUIC_CHG_GND:
>> @@ -532,9 +533,11 @@ static int max77843_muic_chg_handler(struct max77843_muic_info *info)
>>
>> /* Charger cable on MHL accessory is attach or detach */
>> if (gnd_type == MAX77843_MUIC_GND_MHL_VB)
>> - extcon_set_cable_state_(info->edev, EXTCON_TA, true);
>> + extcon_set_cable_state_(info->edev, EXTCON_CHG_USB_DCP,
>> + true);
>> else if (gnd_type == MAX77843_MUIC_GND_MHL)
>> - extcon_set_cable_state_(info->edev, EXTCON_TA, false);
>> + extcon_set_cable_state_(info->edev, EXTCON_CHG_USB_DCP,
>> + false);
>> break;
>> case MAX77843_MUIC_CHG_NONE:
>> break;
>> diff --git a/drivers/extcon/extcon-max8997.c b/drivers/extcon/extcon-max8997.c
>> index 7b1ef200b121..b2b13b3dce14 100644
>> --- a/drivers/extcon/extcon-max8997.c
>> +++ b/drivers/extcon/extcon-max8997.c
>> @@ -148,11 +148,11 @@ struct max8997_muic_info {
>> static const unsigned int max8997_extcon_cable[] = {
>> EXTCON_USB,
>> EXTCON_USB_HOST,
>> - EXTCON_TA,
>> - EXTCON_FAST_CHARGER,
>> - EXTCON_SLOW_CHARGER,
>> - EXTCON_CHARGE_DOWNSTREAM,
>> - EXTCON_MHL,
>> + EXTCON_CHG_USB_DCP,
>> + EXTCON_CHG_USB_FAST,
>> + EXTCON_CHG_USB_SLOW,
>> + EXTCON_CHG_USB_CDP,
>> + EXTCON_DISP_MHL,
>> EXTCON_DOCK,
>> EXTCON_JIG,
>> EXTCON_NONE,
>> @@ -403,7 +403,7 @@ static int max8997_muic_adc_handler(struct max8997_muic_info *info)
>> return ret;
>> break;
>> case MAX8997_MUIC_ADC_MHL:
>> - extcon_set_cable_state_(info->edev, EXTCON_MHL, attached);
>> + extcon_set_cable_state_(info->edev, EXTCON_DISP_MHL, attached);
>> break;
>> case MAX8997_MUIC_ADC_FACTORY_MODE_USB_OFF:
>> case MAX8997_MUIC_ADC_FACTORY_MODE_USB_ON:
>> @@ -486,18 +486,19 @@ static int max8997_muic_chg_handler(struct max8997_muic_info *info)
>> }
>> break;
>> case MAX8997_CHARGER_TYPE_DOWNSTREAM_PORT:
>> - extcon_set_cable_state_(info->edev, EXTCON_CHARGE_DOWNSTREAM,
>> + extcon_set_cable_state_(info->edev, EXTCON_CHG_USB_CDP,
>> attached);
>> break;
>> case MAX8997_CHARGER_TYPE_DEDICATED_CHG:
>> - extcon_set_cable_state_(info->edev, EXTCON_TA, attached);
>> + extcon_set_cable_state_(info->edev, EXTCON_CHG_USB_DCP,
>> + attached);
>> break;
>> case MAX8997_CHARGER_TYPE_500MA:
>> - extcon_set_cable_state_(info->edev, EXTCON_SLOW_CHARGER,
>> + extcon_set_cable_state_(info->edev, EXTCON_CHG_USB_SLOW,
>> attached);
>> break;
>> case MAX8997_CHARGER_TYPE_1A:
>> - extcon_set_cable_state_(info->edev, EXTCON_FAST_CHARGER,
>> + extcon_set_cable_state_(info->edev, EXTCON_CHG_USB_FAST,
>> attached);
>> break;
>> default:
>> diff --git a/drivers/extcon/extcon-rt8973a.c b/drivers/extcon/extcon-rt8973a.c
>> index 1bc3737ea01c..36bf1d63791c 100644
>> --- a/drivers/extcon/extcon-rt8973a.c
>> +++ b/drivers/extcon/extcon-rt8973a.c
>> @@ -93,7 +93,7 @@ static struct reg_data rt8973a_reg_data[] = {
>> static const unsigned int rt8973a_extcon_cable[] = {
>> EXTCON_USB,
>> EXTCON_USB_HOST,
>> - EXTCON_TA,
>> + EXTCON_CHG_USB_DCP,
>> EXTCON_JIG,
>> EXTCON_NONE,
>> };
>> @@ -333,7 +333,7 @@ static int rt8973a_muic_cable_handler(struct rt8973a_muic_info *info,
>> con_sw = DM_DP_SWITCH_USB;
>> break;
>> case RT8973A_MUIC_ADC_TA:
>> - id = EXTCON_TA;
>> + id = EXTCON_CHG_USB_DCP;
>> con_sw = DM_DP_SWITCH_OPEN;
>> break;
>> case RT8973A_MUIC_ADC_FACTORY_MODE_BOOT_OFF_USB:
>> diff --git a/drivers/extcon/extcon-sm5502.c b/drivers/extcon/extcon-sm5502.c
>> index 2945091bfd0e..7aac3cc7efd7 100644
>> --- a/drivers/extcon/extcon-sm5502.c
>> +++ b/drivers/extcon/extcon-sm5502.c
>> @@ -95,7 +95,7 @@ static struct reg_data sm5502_reg_data[] = {
>> static const unsigned int sm5502_extcon_cable[] = {
>> EXTCON_USB,
>> EXTCON_USB_HOST,
>> - EXTCON_TA,
>> + EXTCON_CHG_USB_DCP,
>> EXTCON_NONE,
>> };
>>
>> @@ -389,7 +389,7 @@ static int sm5502_muic_cable_handler(struct sm5502_muic_info *info,
>> vbus_sw = VBUSIN_SWITCH_VBUSOUT_WITH_USB;
>> break;
>> case SM5502_MUIC_ADC_OPEN_TA:
>> - id = EXTCON_TA;
>> + id = EXTCON_CHG_USB_DCP;
>> con_sw = DM_DP_SWITCH_OPEN;
>> vbus_sw = VBUSIN_SWITCH_VBUSOUT;
>> break;
>> diff --git a/drivers/extcon/extcon.c b/drivers/extcon/extcon.c
>> index 8dd0af1d50bc..f345d492d4a1 100644
>> --- a/drivers/extcon/extcon.c
>> +++ b/drivers/extcon/extcon.c
>> @@ -39,37 +39,40 @@
>> #define CABLE_NAME_MAX 30
>>
>> static const char *extcon_name[] = {
>> - [EXTCON_NONE] = "NONE",
>> + [EXTCON_NONE] = "EXTCON_NONE",
>>
>> /* USB external connector */
>> - [EXTCON_USB] = "USB",
>> - [EXTCON_USB_HOST] = "USB-HOST",
>> -
>> - /* Charger external connector */
>> - [EXTCON_TA] = "TA",
>> - [EXTCON_FAST_CHARGER] = "FAST-CHARGER",
>> - [EXTCON_SLOW_CHARGER] = "SLOW-CHARGER",
>> - [EXTCON_CHARGE_DOWNSTREAM] = "CHARGE-DOWNSTREAM",
>> -
>> - /* Audio/Video external connector */
>> - [EXTCON_LINE_IN] = "LINE-IN",
>> - [EXTCON_LINE_OUT] = "LINE-OUT",
>> - [EXTCON_MICROPHONE] = "MICROPHONE",
>> - [EXTCON_HEADPHONE] = "HEADPHONE",
>> -
>> - [EXTCON_HDMI] = "HDMI",
>> - [EXTCON_MHL] = "MHL",
>> - [EXTCON_DVI] = "DVI",
>> - [EXTCON_VGA] = "VGA",
>> - [EXTCON_SPDIF_IN] = "SPDIF-IN",
>> - [EXTCON_SPDIF_OUT] = "SPDIF-OUT",
>> - [EXTCON_VIDEO_IN] = "VIDEO-IN",
>> - [EXTCON_VIDEO_OUT] = "VIDEO-OUT",
>> -
>> - /* Etc external connector */
>> - [EXTCON_DOCK] = "DOCK",
>> - [EXTCON_JIG] = "JIG",
>> - [EXTCON_MECHANICAL] = "MECHANICAL",
>> + [EXTCON_USB] = "EXTCON_USB",
>
> Should the name string be "USB-PERIPHERAL"?

I think 'PERIPHERAL' is not necessary. The extcon name is
used for only end user using the platform developer.
'PERIPHERAL' might cause the confusion to end user.

>
>> + [EXTCON_USB_HOST] = "EXTCON_USB_HOST",
>
> Why prefix EXTCON and change hyphen to underscore?
> Wasn't the original version i.e. "USB-HOST" better?

Agreee.

>
> Why the change in the name strings? Who is the end user of the name string?
> If the end use is just for information to a human user then the human readable
> format makes more sense. i.e. "MHL" or "MICROPHONE" makes more sense than
> "EXTCON_DISP_MHL" or "EXTCON_JACK_MICROPHONE"

Your comment make sense. I'll not modify the name of external connector.
I'll use the existing name.

[snip]

Thanks,
Chanwoo Choi
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