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usb: mtu3: register a USB Role Switch for dual role mode

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Because extcon is not allowed for new bindings, and the
dual role switch is supported by USB Role Switch,
especially for Type-C drivers, so register a USB Role
Switch to support the new way

Signed-off-by: Chunfeng Yun <chunfeng.yun@mediatek.com>
Link: https://lore.kernel.org/r/1567070558-29417-12-git-send-email-chunfeng.yun@mediatek.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
This commit is contained in:
Chunfeng Yun
2019-08-29 17:22:38 +08:00
committed by Greg Kroah-Hartman
parent 4602f3bff2
commit 1ac91ac5d0
6 changed files with 60 additions and 7 deletions
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4
drivers/usb/mtu3/mtu3_debugfs.c
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@@ -453,9 +453,9 @@ static ssize_t ssusb_mode_write(struct file *file, const char __user *ubuf,
return -EFAULT;
if (!strncmp(buf, "host", 4) && !ssusb->is_host) {
ssusb_mode_manual_switch(ssusb, 1);
ssusb_mode_switch(ssusb, 1);
} else if (!strncmp(buf, "device", 6) && ssusb->is_host) {
ssusb_mode_manual_switch(ssusb, 0);
ssusb_mode_switch(ssusb, 0);
} else {
dev_err(ssusb->dev, "wrong or duplicated setting\n");
return -EINVAL;