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staging: typec: tcpci: enable vbus detection 

TCPCI implementation may need SW to enable VBUS detection to generate
power status events.

Reviewed-by: Guenter Roeck <linux@roeck-us.net>
Reviewed-by: Heikki Krogerus <heikki.krogerus@linux.intel.com>
Signed-off-by: Li Jun <jun.li@nxp.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
This commit is contained in:
Li Jun 2018-06-27 07:45:28 +08:00 committed by Greg Kroah-Hartman
parent b28d9be6ce
commit 21046320b4
1 changed files with 6 additions and 0 deletions
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6
drivers/staging/typec/tcpci.c
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@ -373,6 +373,12 @@ static int tcpci_init(struct tcpc_dev *tcpc)
if (ret < 0)
return ret;
/* Enable Vbus detection */
ret = regmap_write(tcpci->regmap, TCPC_COMMAND,
TCPC_CMD_ENABLE_VBUS_DETECT);
if (ret < 0)
return ret;
reg = TCPC_ALERT_TX_SUCCESS | TCPC_ALERT_TX_FAILED |
TCPC_ALERT_TX_DISCARDED | TCPC_ALERT_RX_STATUS |
TCPC_ALERT_RX_HARD_RST | TCPC_ALERT_CC_STATUS;