Messages in this thread Patch in this message | | | From | Chanwoo Choi <> | Subject | [PATCH v2 2/2] extcon: usb-gpio: Update the ID pin state of USB when cable state is changed | Date | Wed, 27 May 2015 21:15:10 +0900 |
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This patch updates the ID pin state of USB when cable state is changed by using the extcon_set_cable_line_state() function. The extcon consumer driver can receive the changed ID pin state through registered notifier chain of extcon consumer driver.
Cc: Roger Quadros <rogerq@ti.com> Cc: Robert Baldyga <r.baldyga@samsung.com> Cc: MyungJoo Ham <myungjoo.ham@samsung.com> Signed-off-by: Chanwoo Choi <cw00.choi@samsung.com> --- drivers/extcon/extcon-usb-gpio.c | 6 ++++++ 1 file changed, 6 insertions(+)
diff --git a/drivers/extcon/extcon-usb-gpio.c b/drivers/extcon/extcon-usb-gpio.c index 14da94c..9ff3171 100644 --- a/drivers/extcon/extcon-usb-gpio.c +++ b/drivers/extcon/extcon-usb-gpio.c @@ -62,12 +62,18 @@ 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_line_state(info->edev, EXTCON_USB, + EXTCON_USB_ID_HIGH); } 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_line_state(info->edev, EXTCON_USB, + EXTCON_USB_ID_LOW); + extcon_set_cable_state_(info->edev, EXTCON_USB, false); extcon_set_cable_state_(info->edev, EXTCON_USB_HOST, true); } -- 2.2.0.GIT
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