From: Jun Li <jun.li@nxp.com>
To: robh+dt@kernel.org, mark.rutland@arm.com,
gregkh@linuxfoundation.org, heikki.krogerus@linux.intel.com
Cc: a.hajda@samsung.com, jun.li@nxp.com, linux@roeck-us.net,
yueyao@google.com, shufan_lee@richtek.com, o_leveque@orange.fr,
linux-usb@vger.kernel.org, linux-imx@nxp.com
Subject: [v3,08/12] staging: typec: tcpci: enable vbus detection
Date: Tue, 13 Mar 2018 17:34:34 +0800 [thread overview]
Message-ID: <1520933678-10535-9-git-send-email-jun.li@nxp.com> (raw)
TCPCI implementation may need SW to enable VBUS detection to generate
power status events.
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 f5a3bf5..9a230c6 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:[~2018-03-13 9:34 UTC|newest]
Thread overview: 3+ messages / expand[flat|nested] mbox.gz Atom feed top
2018-03-13 9:34 Jun Li [this message]
-- strict thread matches above, loose matches on Subject: below --
2018-03-15 4:47 [v3,08/12] staging: typec: tcpci: enable vbus detection Guenter Roeck
2018-03-19 9:59 Jun Li
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