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Date: Tue, 06 Oct 2015 20:51:28 +0900
From: Chanwoo Choi <cw00.choi@...sung.com>
To: "Pallala, Ramakrishna" <ramakrishna.pallala@...el.com>,
"linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>
Cc: "k.kozlowski@...sung.com" <k.kozlowski@...sung.com>,
"ckeepax@...nsource.wolfsonmicro.com"
<ckeepax@...nsource.wolfsonmicro.com>,
"gregkh@...uxfoundation.org" <gregkh@...uxfoundation.org>,
"rogerq@...com" <rogerq@...com>,
"patches@...nsource.wolfsonmicro.com"
<patches@...nsource.wolfsonmicro.com>,
"myungjoo.ham@...sung.com" <myungjoo.ham@...sung.com>
Subject: Re: [PATCH 1/2] extcon: Modify the id and name of external connector
Hi Ram,
On 2015년 10월 06일 20:42, Pallala, Ramakrishna wrote:
> Hi Choi,
>
>
>> Subject: [PATCH 1/2] extcon: Modify the id and name of external connector
>>
>> 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_FAST_CHARGER | EXTCON_CHG_USB_DCP_FAST|
>> EXTCON_SLOW_CHARGER | EXTCON_CHG_USB_DCP_SLOW|
>> EXTCON_CHARGE_DOWNSTREAM| EXTCON_CHG_USB_CDP |
>> --------------------------------------------------
>> 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 /* 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 85efc8a18ce ("[PATCH] power_supply: Add types for USB chargers")
>>
>> Signed-off-by: Chanwoo Choi <cw00.choi@...sung.com>
>> [ckeepax: For the Arizona changes]
>> Acked-by: Charles Keepax <ckeepax@...nsource.wolfsonmicro.com>
>> ---
>> 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..14e748051288 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_DCP_SLOW,
>> + EXTCON_CHG_USB_CDP,
>> + EXTCON_CHG_USB_DCP_FAST,
>> 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_DCP_SLOW;
>> 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_FAST;
>> break;
>> default:
>> dev_warn(info->dev,
>> diff --git a/drivers/extcon/extcon-max14577.c b/drivers/extcon/extcon-
>> max14577.c
>> index df0659d98e5a..15c2dcc73fc6 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_DCP_FAST,
>> + EXTCON_CHG_USB_DCP_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_DCP_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_DCP_FAST,
>> attached);
>> break;
>> case MAX14577_CHARGER_TYPE_NONE:
>> diff --git a/drivers/extcon/extcon-max77693.c b/drivers/extcon/extcon-
>> max77693.c
>> index 35b9e118b2fb..95c707b1fcee 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_DCP_FAST,
>> + EXTCON_CHG_USB_DCP_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_DCP_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_DCP_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..97aebe5d67a6 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_DCP_FAST,
>> + EXTCON_CHG_USB_DCP_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_DCP_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_DCP_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..8dbec5febdb6 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_DCP_FAST,
>> + EXTCON_CHG_USB_DCP_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_DCP_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_DCP_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..525e423f9cda 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",
>> + [EXTCON_USB_HOST] = "EXTCON_USB_HOST",
>> +
>> + /* Charging external connector */
>> + [EXTCON_CHG_USB] = "EXTCON_CHG_USB",
>> + [EXTCON_CHG_USB_CDP] = "EXTCON_CHG_USB_CDP",
>> + [EXTCON_CHG_USB_DCP] = "EXTCON_CHG_USB_DCP",
>> + [EXTCON_CHG_USB_DCP_FAST] = "EXTCON_CHG_USB_DCP_FAST",
>> + [EXTCON_CHG_USB_DCP_SLOW] =
>> "EXTCON_CHG_USB_DCP_SLOW",
>> + [EXTCON_CHG_USB_ACA] = "EXTCON_CHG_USB_ACA",
>> +
>> + /* Jack external connector */
>> + [EXTCON_JACK_MICROPHONE] = "EXTCON_JACK_MICROPHONE",
>> + [EXTCON_JACK_HEADPHONE] =
>> "EXTCON_JACK_HEADPHONE",
>> + [EXTCON_JACK_LINE_IN] = "EXTCON_JACK_LINE_IN",
>> + [EXTCON_JACK_LINE_OUT] = "EXTCON_JACK_LINE_OUT",
>> + [EXTCON_JACK_VIDEO_IN] = "EXTCON_JACK_VIDEO_IN",
>> + [EXTCON_JACK_VIDEO_OUT] =
>> "EXTCON_JACK_VIDEO_OUT",
>> + [EXTCON_JACK_SPDIF_IN] = "EXTCON_JACK_SPDIF_IN",
>> + [EXTCON_JACK_SPDIF_OUT] =
>> "EXTCON_JACK_SPDIF_OUT",
>> +
>> + /* Display external connector */
>> + [EXTCON_DISP_HDMI] = "EXTCON_DISP_HDMI",
>> + [EXTCON_DISP_MHL] = "EXTCON_DISP_MHL",
>> + [EXTCON_DISP_DVI] = "EXTCON_DISP_DVI",
>> + [EXTCON_DISP_VGA] = "EXTCON_DISP_VGA",
>> +
>> + /* Miscellaneous external connector */
>> + [EXTCON_DOCK] = "EXTCON_DOCK",
>> + [EXTCON_JIG] = "EXTCON_JIG",
>> + [EXTCON_MECHANICAL] = "EXTCON_MECHANICAL",
>>
>> NULL,
>> };
>> diff --git a/include/linux/extcon.h b/include/linux/extcon.h index
>> c0f8c4fc5d45..c8dd881e2b8d 100644
>> --- a/include/linux/extcon.h
>> +++ b/include/linux/extcon.h
>> @@ -31,32 +31,42 @@
>> /*
>> * Define the unique id of supported external connectors
>> */
>> -#define EXTCON_NONE 0
>> -
>> -#define EXTCON_USB 1 /* USB connector */
>> -#define EXTCON_USB_HOST 2
>> -
>> -#define EXTCON_TA 3 /* Charger connector */
>> -#define EXTCON_FAST_CHARGER 4
>> -#define EXTCON_SLOW_CHARGER 5
>> -#define EXTCON_CHARGE_DOWNSTREAM 6
>> -
>> -#define EXTCON_LINE_IN 7 /* Audio/Video
>> connector */
>> -#define EXTCON_LINE_OUT 8
>> -#define EXTCON_MICROPHONE 9
>> -#define EXTCON_HEADPHONE 10
>> -#define EXTCON_HDMI 11
>> -#define EXTCON_MHL 12
>> -#define EXTCON_DVI 13
>> -#define EXTCON_VGA 14
>> -#define EXTCON_SPDIF_IN 15
>> -#define EXTCON_SPDIF_OUT 16
>> -#define EXTCON_VIDEO_IN 17
>> -#define EXTCON_VIDEO_OUT 18
>> -
>> -#define EXTCON_DOCK 19 /* Misc connector */
>> -#define EXTCON_JIG 20
>> -#define EXTCON_MECHANICAL 21
>> +#define EXTCON_NONE 0
>> +
>> +/* USB external connector */
>> +#define EXTCON_USB 1 /* Universal Serial Bus */
>> +#define EXTCON_USB_HOST 2
>> +
>> +/* Charging external connector */
>> +#define EXTCON_CHG_USB 5 /* Standard Downstream Port
>> */
>> +#define EXTCON_CHG_USB_CDP 6 /* Charging Downstream Port
>> */
>> +#define EXTCON_CHG_USB_DCP 7 /* Dedicated Charging Port */
>> +#define EXTCON_CHG_USB_DCP_FAST 8
>> +#define EXTCON_CHG_USB_DCP_SLOW 9
>> +#define EXTCON_CHG_USB_ACA 10 /* Accessory Charger Adapter
>> */
>> +
>> +/* Jack external connector */
>> +#define EXTCON_JACK_MICROPHONE 20
>> +#define EXTCON_JACK_HEADPHONE 21
>> +#define EXTCON_JACK_LINE_IN 22
>> +#define EXTCON_JACK_LINE_OUT 23
>> +#define EXTCON_JACK_VIDEO_IN 24
>> +#define EXTCON_JACK_VIDEO_OUT 25
>> +#define EXTCON_JACK_SPDIF_IN 26 /* Sony Philips Digital
>> InterFace */
>> +#define EXTCON_JACK_SPDIF_OUT 27
>> +
>> +/* Display external connector */
>> +#define EXTCON_DISP_HDMI 40 /* High-Definition Multimedia
>> Interface */
>> +#define EXTCON_DISP_MHL 41 /* Mobile High-Definition Link
>> */
>> +#define EXTCON_DISP_DVI 42 /* Digital Visual Inteface */
>> +#define EXTCON_DISP_VGA 43 /* Video Graphics Array */
>> +
>> +/* Miscellaneous external connector */
>> +#define EXTCON_DOCK 60
>> +#define EXTCON_JIG 61
>> +#define EXTCON_MECHANICAL 62
>> +
>> +#define EXTCON_NUM 63
>
> Can we change the #define macro's to enum's? is there problem with that?
It is possible. But, the unique id of external connector will be used on device tree file
as following patch[1]. Following patch[1] defines the include/dt-bindings/extcon/extcon.h
which is include in *.dts file. In *.dts file, we can not use the 'enum'.
[1] https://lkml.org/lkml/2015/10/5/38
So, I use the "#define" keyword instead of enum.
I used the 'enum' on first patch to define the unique id
but I altered it by using '#define' instead of 'enum' on following patch[2].
[2] commit 73b6ecdb93e8e ("extcon: Redefine the unique id of supported external connectors without 'enum extcon' type")
Thanks,
Chanwoo Choi
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