[v7,10/14] staging: typec: tcpci: enable vbus detection
flat view
STALE3028d
REVIEWED: 9 (9M)
From: Jun Li <hidden>
Date: 2018-06-25 08:08:42
Also in:
linux-devicetree
Subsystem:
staging subsystem, the rest · Maintainers:
Greg Kroah-Hartman, Linus Torvalds
Revision v7 of 6 in this series; 2 review trailers.
Revisions (6)
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 <redacted> --- drivers/staging/typec/tcpci.c | 6 ++++++ 1 file changed, 6 insertions(+)
diff --git a/drivers/staging/typec/tcpci.c b/drivers/staging/typec/tcpci.c
index 3b35fce..4d3b0ae 100644
--- a/drivers/staging/typec/tcpci.c
+++ b/drivers/staging/typec/tcpci.c@@ -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;