hwmon/pmbus: (q54sj108a2) The PMBUS_MFR_ID is actually 6 chars instead of 5

The PMBUS_MFR_ID block is actually 6 chars for q54sj108a2.
/sys/bus/i2c/drivers/q54sj108a2_test# iotools smbus_read8 $BUS $ADDR 0x99
0x06

Tested: Devices are able to bind to the q54sj108a2 driver successfully.

Signed-off-by: Chu Lin <linchuyuan@google.com>
Link: https://lore.kernel.org/r/20210517222606.3457594-1-linchuyuan@google.com
Signed-off-by: Guenter Roeck <linux@roeck-us.net>

diff --git a/drivers/hwmon/pmbus/q54sj108a2.c b/drivers/hwmon/pmbus/q54sj108a2.c
index b6e8b20..fa298b4 100644 (file)
--- a/drivers/hwmon/pmbus/q54sj108a2.c
+++ b/drivers/hwmon/pmbus/q54sj108a2.c
@@ -299,7 +299,7 @@ static int q54sj108a2_probe(struct i2c_client *client)
                dev_err(&client->dev, "Failed to read Manufacturer ID\n");
                return ret;
        }
-       if (ret != 5 || strncmp(buf, "DELTA", 5)) {
+       if (ret != 6 || strncmp(buf, "DELTA", 5)) {
                buf[ret] = '\0';
                dev_err(dev, "Unsupported Manufacturer ID '%s'\n", buf);
                return -ENODEV;