diff options
Diffstat (limited to 'drivers/usb/mtu3/mtu3_dr.c')
| -rw-r--r-- | drivers/usb/mtu3/mtu3_dr.c | 20 |
1 files changed, 18 insertions, 2 deletions
diff --git a/drivers/usb/mtu3/mtu3_dr.c b/drivers/usb/mtu3/mtu3_dr.c index 82913120622b..5fcb71af875a 100644 --- a/drivers/usb/mtu3/mtu3_dr.c +++ b/drivers/usb/mtu3/mtu3_dr.c @@ -21,6 +21,22 @@ enum mtu3_vbus_id_state { MTU3_VBUS_VALID, }; +static char *mailbox_state_string(enum mtu3_vbus_id_state state) +{ + switch (state) { + case MTU3_ID_FLOAT: + return "ID_FLOAT"; + case MTU3_ID_GROUND: + return "ID_GROUND"; + case MTU3_VBUS_OFF: + return "VBUS_OFF"; + case MTU3_VBUS_VALID: + return "VBUS_VALID"; + default: + return "UNKNOWN"; + } +} + static void toggle_opstate(struct ssusb_mtk *ssusb) { if (!ssusb->otg_switch.is_u3_drd) { @@ -140,8 +156,8 @@ static void ssusb_set_mailbox(struct otg_switch_mtk *otg_sx, container_of(otg_sx, struct ssusb_mtk, otg_switch); struct mtu3 *mtu = ssusb->u3d; - dev_dbg(ssusb->dev, "mailbox state(%d)\n", status); - mtu3_dbg_trace(ssusb->dev, "mailbox %d", status); + dev_dbg(ssusb->dev, "mailbox %s\n", mailbox_state_string(status)); + mtu3_dbg_trace(ssusb->dev, "mailbox %s", mailbox_state_string(status)); switch (status) { case MTU3_ID_GROUND: |