Commit aac53ee4 authored by Yueyao Zhu's avatar Yueyao Zhu Committed by Greg Kroah-Hartman

staging: typec: fusb302: Fix chip->vbus_present init value

FUSB_REG_STATUS0 & FUSB_REG_STATUS0_VBUSOK = 0x40 & 0x80 is always
zero. Fix the code to what it is intended to be: check the VBUSOK
bit of the value read from address FUSB_REG_STATUS0.
Reported-by: default avatarDan Carpenter <dan.carpenter@oracle.com>
Cc: Guenter Roeck <linux@roeck-us.net>
Signed-off-by: default avatarYueyao Zhu <yueyao.zhu@gmail.com>
Signed-off-by: default avatarGuenter Roeck <linux@roeck-us.net>
Signed-off-by: default avatarGreg Kroah-Hartman <gregkh@linuxfoundation.org>
parent 227383f8
......@@ -489,7 +489,7 @@ static int tcpm_init(struct tcpc_dev *dev)
ret = fusb302_i2c_read(chip, FUSB_REG_STATUS0, &data);
if (ret < 0)
return ret;
chip->vbus_present = !!(FUSB_REG_STATUS0 & FUSB_REG_STATUS0_VBUSOK);
chip->vbus_present = !!(data & FUSB_REG_STATUS0_VBUSOK);
ret = fusb302_i2c_read(chip, FUSB_REG_DEVICE_ID, &data);
if (ret < 0)
return ret;
......
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