hwmon: (emc2305) fix unable to probe emc2301/2/3

The definitions of 'EMC2305_REG_PRODUCT_ID' and 'EMC2305_REG_DEVICE' are
both '0xfd', they actually return the same value, but the values returned
by emc2301/2/3/5 are different, so probe emc2301/2/3 will fail, This patch
fixes that.

Signed-off-by: Xingjiang Qiao <nanpuyue@gmail.com>
Link: https://lore.kernel.org/r/20221206055331.170459-1-nanpuyue@gmail.com
Fixes: 0d8400c5a2 ("hwmon: (emc2305) add support for EMC2301/2/3/5 RPM-based PWM Fan Speed Controller.")
Signed-off-by: Guenter Roeck <linux@roeck-us.net>
This commit is contained in:
Xingjiang Qiao 2022-12-06 13:53:30 +08:00 committed by Guenter Roeck
parent 688fcd047e
commit 4d50591ebf

View file

@ -16,7 +16,6 @@ static const unsigned short
emc2305_normal_i2c[] = { 0x27, 0x2c, 0x2d, 0x2e, 0x2f, 0x4c, 0x4d, I2C_CLIENT_END };
#define EMC2305_REG_DRIVE_FAIL_STATUS 0x27
#define EMC2305_REG_DEVICE 0xfd
#define EMC2305_REG_VENDOR 0xfe
#define EMC2305_FAN_MAX 0xff
#define EMC2305_FAN_MIN 0x00
@ -524,7 +523,7 @@ static int emc2305_probe(struct i2c_client *client)
struct device *dev = &client->dev;
struct emc2305_data *data;
struct emc2305_platform_data *pdata;
int vendor, device;
int vendor;
int ret;
int i;
@ -535,10 +534,6 @@ static int emc2305_probe(struct i2c_client *client)
if (vendor != EMC2305_VENDOR)
return -ENODEV;
device = i2c_smbus_read_byte_data(client, EMC2305_REG_DEVICE);
if (device != EMC2305_DEVICE)
return -ENODEV;
data = devm_kzalloc(dev, sizeof(*data), GFP_KERNEL);
if (!data)
return -ENOMEM;