diff options
| author | Li Jun <jun.li@nxp.com> | 2018-06-27 07:45:31 +0800 |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2018-06-28 19:49:48 +0900 |
| commit | 002514880ef36c26c19b144b11d7dae839ae4fe6 (patch) | |
| tree | d159437e01689d014d751770efb45f46fb060612 /drivers/staging | |
| parent | 3af50c293368f42390b8f3d9ec19e3b9b858c34d (diff) | |
| download | linux-002514880ef36c26c19b144b11d7dae839ae4fe6.tar.bz2 | |
staging: typec: tcpci: Only touch target bit when enable vconn
We need regmap_update_bits to avoid touch any other bits when
enable or disable vconn.
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>
Diffstat (limited to 'drivers/staging')
| -rw-r--r-- | drivers/staging/typec/tcpci.c | 9 |
1 files changed, 3 insertions, 6 deletions
diff --git a/drivers/staging/typec/tcpci.c b/drivers/staging/typec/tcpci.c index 11c2d37622de..ac6b418b15f1 100644 --- a/drivers/staging/typec/tcpci.c +++ b/drivers/staging/typec/tcpci.c @@ -218,12 +218,9 @@ static int tcpci_set_vconn(struct tcpc_dev *tcpc, bool enable) return ret; } - ret = regmap_write(tcpci->regmap, TCPC_POWER_CTRL, - enable ? TCPC_POWER_CTRL_VCONN_ENABLE : 0); - if (ret < 0) - return ret; - - return 0; + return regmap_update_bits(tcpci->regmap, TCPC_POWER_CTRL, + TCPC_POWER_CTRL_VCONN_ENABLE, + enable ? TCPC_POWER_CTRL_VCONN_ENABLE : 0); } static int tcpci_set_roles(struct tcpc_dev *tcpc, bool attached, |