Hi, On 06/10/15 14:21, Chanwoo Choi wrote: > The SDP (Standard Downstream Port) is one of various USB Charging ports. The > SDP > supports both the data transmission and the charging through USB connector at > the same time. So, the EXTCON framework defines two connector type for USB SDP > connector as following: > - EXTCON_USB means the USB cable for data transmission. > - EXTCON_CHG_USB means the USB charger cable for battery charging. > > This patch add the support of EXTCON_CHG_USB when USB SDP is attached or > detached.
I didn't understand why this change is needed. SDP, EXTCON_USB and EXTCON_CHG_USB are the same thing. no? cheers, -roger > > Signed-off-by: Chanwoo Choi <cw00.c...@samsung.com> > --- > drivers/extcon/extcon-max14577.c | 2 ++ > drivers/extcon/extcon-max77693.c | 11 ++++++++++- > drivers/extcon/extcon-max77843.c | 2 ++ > drivers/extcon/extcon-max8997.c | 2 ++ > drivers/extcon/extcon-palmas.c | 3 +++ > drivers/extcon/extcon-rt8973a.c | 3 +++ > drivers/extcon/extcon-sm5502.c | 3 +++ > drivers/extcon/extcon-usb-gpio.c | 3 +++ > 8 files changed, 28 insertions(+), 1 deletion(-) > > diff --git a/drivers/extcon/extcon-max14577.c > b/drivers/extcon/extcon-max14577.c > index 15c2dcc73fc6..f262dad10560 100644 > --- a/drivers/extcon/extcon-max14577.c > +++ b/drivers/extcon/extcon-max14577.c > @@ -150,6 +150,7 @@ enum max14577_muic_acc_type { > > static const unsigned int max14577_extcon_cable[] = { > EXTCON_USB, > + EXTCON_CHG_USB, > EXTCON_CHG_USB_DCP, > EXTCON_CHG_USB_DCP_FAST, > EXTCON_CHG_USB_DCP_SLOW, > @@ -454,6 +455,7 @@ static int max14577_muic_chg_handler(struct > max14577_muic_info *info) > return ret; > > extcon_set_cable_state_(info->edev, EXTCON_USB, attached); > + extcon_set_cable_state_(info->edev, EXTCON_CHG_USB, attached); > break; > case MAX14577_CHARGER_TYPE_DEDICATED_CHG: > extcon_set_cable_state_(info->edev, EXTCON_CHG_USB_DCP, > diff --git a/drivers/extcon/extcon-max77693.c > b/drivers/extcon/extcon-max77693.c > index 95c707b1fcee..ee63718de787 100644 > --- a/drivers/extcon/extcon-max77693.c > +++ b/drivers/extcon/extcon-max77693.c > @@ -204,6 +204,7 @@ enum max77693_muic_acc_type { > static const unsigned int max77693_extcon_cable[] = { > EXTCON_USB, > EXTCON_USB_HOST, > + EXTCON_CHG_USB, > EXTCON_CHG_USB_DCP, > EXTCON_CHG_USB_DCP_FAST, > EXTCON_CHG_USB_DCP_SLOW, > @@ -512,8 +513,11 @@ static int max77693_muic_dock_handler(struct > max77693_muic_info *info, > break; > case MAX77693_MUIC_ADC_AV_CABLE_NOLOAD: /* Dock-Audio */ > dock_id = EXTCON_DOCK; > - if (!attached) > + if (!attached) { > extcon_set_cable_state_(info->edev, EXTCON_USB, false); > + extcon_set_cable_state_(info->edev, EXTCON_CHG_USB, > + false); > + } > break; > default: > dev_err(info->dev, "failed to detect %s dock device\n", > @@ -601,6 +605,7 @@ static int max77693_muic_adc_ground_handler(struct > max77693_muic_info *info) > if (ret < 0) > return ret; > extcon_set_cable_state_(info->edev, EXTCON_USB, attached); > + extcon_set_cable_state_(info->edev, EXTCON_CHG_USB, attached); > break; > case MAX77693_MUIC_GND_MHL: > case MAX77693_MUIC_GND_MHL_VB: > @@ -830,6 +835,8 @@ static int max77693_muic_chg_handler(struct > max77693_muic_info *info) > */ > extcon_set_cable_state_(info->edev, EXTCON_USB, > attached); > + extcon_set_cable_state_(info->edev, EXTCON_CHG_USB, > + attached); > > if (!cable_attached) > extcon_set_cable_state_(info->edev, EXTCON_DOCK, > @@ -899,6 +906,8 @@ static int max77693_muic_chg_handler(struct > max77693_muic_info *info) > > extcon_set_cable_state_(info->edev, EXTCON_USB, > attached); > + extcon_set_cable_state_(info->edev, EXTCON_CHG_USB, > + attached); > break; > case MAX77693_CHARGER_TYPE_DEDICATED_CHG: > /* Only TA cable */ > diff --git a/drivers/extcon/extcon-max77843.c > b/drivers/extcon/extcon-max77843.c > index 97aebe5d67a6..5bfd4a5ec9c4 100644 > --- a/drivers/extcon/extcon-max77843.c > +++ b/drivers/extcon/extcon-max77843.c > @@ -122,6 +122,7 @@ enum max77843_muic_charger_type { > static const unsigned int max77843_extcon_cable[] = { > EXTCON_USB, > EXTCON_USB_HOST, > + EXTCON_CHG_USB, > EXTCON_CHG_USB_DCP, > EXTCON_CHG_USB_CDP, > EXTCON_CHG_USB_DCP_FAST, > @@ -486,6 +487,7 @@ static int max77843_muic_chg_handler(struct > max77843_muic_info *info) > return ret; > > extcon_set_cable_state_(info->edev, EXTCON_USB, attached); > + extcon_set_cable_state_(info->edev, EXTCON_CHG_USB, attached); > break; > case MAX77843_MUIC_CHG_DOWNSTREAM: > ret = max77843_muic_set_path(info, > diff --git a/drivers/extcon/extcon-max8997.c b/drivers/extcon/extcon-max8997.c > index 8dbec5febdb6..3e8c6ab546b6 100644 > --- a/drivers/extcon/extcon-max8997.c > +++ b/drivers/extcon/extcon-max8997.c > @@ -148,6 +148,7 @@ struct max8997_muic_info { > static const unsigned int max8997_extcon_cable[] = { > EXTCON_USB, > EXTCON_USB_HOST, > + EXTCON_CHG_USB, > EXTCON_CHG_USB_DCP, > EXTCON_CHG_USB_DCP_FAST, > EXTCON_CHG_USB_DCP_SLOW, > @@ -334,6 +335,7 @@ static int max8997_muic_handle_usb(struct > max8997_muic_info *info, > break; > case MAX8997_USB_DEVICE: > extcon_set_cable_state_(info->edev, EXTCON_USB, attached); > + extcon_set_cable_state_(info->edev, EXTCON_CHG_USB, attached); > break; > default: > dev_err(info->dev, "failed to detect %s usb cable\n", > diff --git a/drivers/extcon/extcon-palmas.c b/drivers/extcon/extcon-palmas.c > index 93c30a885740..a1e984ff4398 100644 > --- a/drivers/extcon/extcon-palmas.c > +++ b/drivers/extcon/extcon-palmas.c > @@ -37,6 +37,7 @@ > static const unsigned int palmas_extcon_cable[] = { > EXTCON_USB, > EXTCON_USB_HOST, > + EXTCON_CHG_USB, > EXTCON_NONE, > }; > > @@ -62,6 +63,7 @@ static irqreturn_t palmas_vbus_irq_handler(int irq, void > *_palmas_usb) > if (palmas_usb->linkstat != PALMAS_USB_STATE_VBUS) { > palmas_usb->linkstat = PALMAS_USB_STATE_VBUS; > extcon_set_cable_state_(edev, EXTCON_USB, true); > + extcon_set_cable_state_(edev, EXTCON_CHG_USB, true); > dev_info(palmas_usb->dev, "USB cable is attached\n"); > } else { > dev_dbg(palmas_usb->dev, > @@ -71,6 +73,7 @@ static irqreturn_t palmas_vbus_irq_handler(int irq, void > *_palmas_usb) > if (palmas_usb->linkstat == PALMAS_USB_STATE_VBUS) { > palmas_usb->linkstat = PALMAS_USB_STATE_DISCONNECT; > extcon_set_cable_state_(edev, EXTCON_USB, false); > + extcon_set_cable_state_(edev, EXTCON_CHG_USB, false); > dev_info(palmas_usb->dev, "USB cable is detached\n"); > } else { > dev_dbg(palmas_usb->dev, > diff --git a/drivers/extcon/extcon-rt8973a.c b/drivers/extcon/extcon-rt8973a.c > index 36bf1d63791c..64c7d8a90a11 100644 > --- a/drivers/extcon/extcon-rt8973a.c > +++ b/drivers/extcon/extcon-rt8973a.c > @@ -93,6 +93,7 @@ static struct reg_data rt8973a_reg_data[] = { > static const unsigned int rt8973a_extcon_cable[] = { > EXTCON_USB, > EXTCON_USB_HOST, > + EXTCON_CHG_USB, > EXTCON_CHG_USB_DCP, > EXTCON_JIG, > EXTCON_NONE, > @@ -398,6 +399,8 @@ static int rt8973a_muic_cable_handler(struct > rt8973a_muic_info *info, > > /* Change the state of external accessory */ > extcon_set_cable_state_(info->edev, id, attached); > + if (id == EXTCON_USB) > + extcon_set_cable_state_(info->edev, EXTCON_CHG_USB, attached); > > return 0; > } > diff --git a/drivers/extcon/extcon-sm5502.c b/drivers/extcon/extcon-sm5502.c > index 7aac3cc7efd7..24031759d306 100644 > --- a/drivers/extcon/extcon-sm5502.c > +++ b/drivers/extcon/extcon-sm5502.c > @@ -95,6 +95,7 @@ static struct reg_data sm5502_reg_data[] = { > static const unsigned int sm5502_extcon_cable[] = { > EXTCON_USB, > EXTCON_USB_HOST, > + EXTCON_CHG_USB, > EXTCON_CHG_USB_DCP, > EXTCON_NONE, > }; > @@ -411,6 +412,8 @@ static int sm5502_muic_cable_handler(struct > sm5502_muic_info *info, > > /* Change the state of external accessory */ > extcon_set_cable_state_(info->edev, id, attached); > + if (id == EXTCON_USB) > + extcon_set_cable_state_(info->edev, EXTCON_CHG_USB, attached); > > return 0; > } > diff --git a/drivers/extcon/extcon-usb-gpio.c > b/drivers/extcon/extcon-usb-gpio.c > index 2b2fecffb1ad..ae8e3df0b5a6 100644 > --- a/drivers/extcon/extcon-usb-gpio.c > +++ b/drivers/extcon/extcon-usb-gpio.c > @@ -43,6 +43,7 @@ struct usb_extcon_info { > static const unsigned int usb_extcon_cable[] = { > EXTCON_USB, > EXTCON_USB_HOST, > + EXTCON_CHG_USB, > EXTCON_NONE, > }; > > @@ -63,12 +64,14 @@ static void usb_extcon_detect_cable(struct work_struct > *work) > */ > extcon_set_cable_state_(info->edev, EXTCON_USB_HOST, false); > extcon_set_cable_state_(info->edev, EXTCON_USB, true); > + extcon_set_cable_state_(info->edev, EXTCON_CHG_USB, true); > } else { > /* > * ID = 0 means USB HOST cable attached. > * As we don't have event for USB peripheral cable detached, > * we simulate USB peripheral detach here. > */ > + extcon_set_cable_state_(info->edev, EXTCON_CHG_USB, false); > extcon_set_cable_state_(info->edev, EXTCON_USB, false); > extcon_set_cable_state_(info->edev, EXTCON_USB_HOST, true); > } > -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majord...@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/