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

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

drivers/staging/typec/fusb302/fusb302.c

+1 −1
Original line number Diff line number Diff line
@@ -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;