[PATCH 11/12] staging: typec: tcpci: Only touch target bit when enable vconn
From: Li Jun <hidden>
Date: 2017-09-26 00:45:26
Subsystem:
staging subsystem, the rest · Maintainers:
Greg Kroah-Hartman, Linus Torvalds
We need regmap_update_bits to avoid touch any other bits when enable or disable vconn. Signed-off-by: Li Jun <redacted> --- drivers/staging/typec/tcpci.c | 10 +++------- 1 file changed, 3 insertions(+), 7 deletions(-)
diff --git a/drivers/staging/typec/tcpci.c b/drivers/staging/typec/tcpci.c
index c7c45da..293a07c 100644
--- a/drivers/staging/typec/tcpci.c
+++ b/drivers/staging/typec/tcpci.c@@ -202,14 +202,10 @@ static int tcpci_set_polarity(struct tcpc_dev *tcpc, static int tcpci_set_vconn(struct tcpc_dev *tcpc, bool enable) { struct tcpci *tcpci = tcpc_to_tcpci(tcpc); - int ret; - ret = regmap_write(tcpci->regmap, TCPC_POWER_CTRL, - enable ? TCPC_POWER_CTRL_VCONN_ENABLE : 0); - if (ret < 0) - return ret;