From: Jun Li <jun.li@nxp.com>
To: robh+dt@kernel.org, gregkh@linuxfoundation.org,
heikki.krogerus@linux.intel.com, linux@roeck-us.net
Cc: cw00.choi@samsung.com, a.hajda@samsung.com,
shufan_lee@richtek.com, peter.chen@nxp.com,
garsilva@embeddedor.com, gsomlo@gmail.com, jun.li@nxp.com,
linux-usb@vger.kernel.org, devicetree@vger.kernel.org,
linux-imx@nxp.com
Subject: [v6,10/15] staging: typec: tcpci: enable vbus detection
Date: Mon, 28 May 2018 10:52:42 +0800 [thread overview]
Message-ID: <1527475967-15201-11-git-send-email-jun.li@nxp.com> (raw)
TCPCI implementation may need SW to enable VBUS detection to generate
power status events.
Reviewed-by: Guenter Roeck <linux@roeck-us.net>
Signed-off-by: Li Jun <jun.li@nxp.com>
---
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;
next reply other threads:[~2018-05-28 2:52 UTC|newest]
Thread overview: 2+ messages / expand[flat|nested] mbox.gz Atom feed top
2018-05-28 2:52 Jun Li [this message]
-- strict thread matches above, loose matches on Subject: below --
2018-06-11 12:36 [v6,10/15] staging: typec: tcpci: enable vbus detection Heikki Krogerus
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