diff options
| author | Chunfeng Yun <chunfeng.yun@mediatek.com> | 2016-10-19 05:28:26 +0300 |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2016-10-27 18:02:41 +0300 |
| commit | d0ed062a8b75b9c9ba5a942894636f2d9bb72040 (patch) | |
| tree | 13f0860c5451f03778668e823b7c9321b5089d00 /drivers/usb/mtu3/mtu3_gadget.c | |
| parent | b3f4e727c1ecec36e628e89298349d9c51a32aac (diff) | |
| download | linux-d0ed062a8b75b9c9ba5a942894636f2d9bb72040.tar.xz | |
usb: mtu3: dual-role mode support
support dual-role mode; there are two ways to switch between
host and device modes, one is by idpin, another is by debugfs
which depends on user input.
Signed-off-by: Chunfeng Yun <chunfeng.yun@mediatek.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Diffstat (limited to 'drivers/usb/mtu3/mtu3_gadget.c')
| -rw-r--r-- | drivers/usb/mtu3/mtu3_gadget.c | 6 |
1 files changed, 4 insertions, 2 deletions
diff --git a/drivers/usb/mtu3/mtu3_gadget.c b/drivers/usb/mtu3/mtu3_gadget.c index 84f3fe169928..9dd2441b4fa1 100644 --- a/drivers/usb/mtu3/mtu3_gadget.c +++ b/drivers/usb/mtu3/mtu3_gadget.c @@ -522,7 +522,8 @@ static int mtu3_gadget_start(struct usb_gadget *gadget, mtu->softconnect = 0; mtu->gadget_driver = driver; - mtu3_start(mtu); + if (mtu->ssusb->dr_mode == USB_DR_MODE_PERIPHERAL) + mtu3_start(mtu); spin_unlock_irqrestore(&mtu->lock, flags); @@ -575,7 +576,8 @@ static int mtu3_gadget_stop(struct usb_gadget *g) stop_activity(mtu); mtu->gadget_driver = NULL; - mtu3_stop(mtu); + if (mtu->ssusb->dr_mode == USB_DR_MODE_PERIPHERAL) + mtu3_stop(mtu); spin_unlock_irqrestore(&mtu->lock, flags); |