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| author | Chunfeng Yun <chunfeng.yun@mediatek.com> | 2019-08-29 17:22:38 +0800 |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2019-09-03 20:02:15 +0200 |
| commit | 1ac91ac5d097c1928efe6691d72c619462a9e3c5 (patch) | |
| tree | 24b7dbf1cccdcb71b8679f21b3447fb91ebda012 /drivers/usb/mtu3/mtu3.h | |
| parent | 4602f3bff2669012c1147eecfe74c121765f5c56 (diff) | |
| download | lwn-1ac91ac5d097c1928efe6691d72c619462a9e3c5.tar.gz lwn-1ac91ac5d097c1928efe6691d72c619462a9e3c5.zip | |
usb: mtu3: register a USB Role Switch for dual role mode
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>
Diffstat (limited to 'drivers/usb/mtu3/mtu3.h')
| -rw-r--r-- | drivers/usb/mtu3/mtu3.h | 5 |
1 files changed, 5 insertions, 0 deletions
diff --git a/drivers/usb/mtu3/mtu3.h b/drivers/usb/mtu3/mtu3.h index 76ecf12fdf62..6087be236a35 100644 --- a/drivers/usb/mtu3/mtu3.h +++ b/drivers/usb/mtu3/mtu3.h @@ -199,6 +199,9 @@ struct mtu3_gpd_ring { * @id_nb : notifier for iddig(idpin) detection * @id_work : work of iddig detection notifier * @id_event : event of iddig detecion notifier +* @role_sw : use USB Role Switch to support dual-role switch, can't use +* extcon at the same time, and extcon is deprecated. +* @role_sw_used : true when the USB Role Switch is used. * @is_u3_drd: whether port0 supports usb3.0 dual-role device or not * @manual_drd_enabled: it's true when supports dual-role device by debugfs * to switch host/device modes depending on user input. @@ -212,6 +215,8 @@ struct otg_switch_mtk { struct notifier_block id_nb; struct work_struct id_work; unsigned long id_event; + struct usb_role_switch *role_sw; + bool role_sw_used; bool is_u3_drd; bool manual_drd_enabled; }; |