leds: pca955x: Correct I2C Functionality

The driver checks an incorrect flag of functionality of adapter. When a driver requires i2c_smbus_read_byte_data and i2c_smbus_write_byte_data, it should check I2C_FUNC_SMBUS_BYTE_DATA instead I2C_FUNC_I2C. This patch fixes the problem. Signed-off-by: Tin Huynh <[email protected]> Signed-off-by: Jacek Anaszewski <[email protected]>
cail · May 22, 2017 · aace34c · aace34c
1 parent 2ea659a
commit aace34c
Showing 1 changed file with 1 addition and 1 deletion.
diff --git a/drivers/leds/leds-pca955x.c b/drivers/leds/leds-pca955x.c
@@ -285,7 +285,7 @@ static int pca955x_probe(struct i2c_client *client,
 			"slave address 0x%02x\n",
 			client->name, chip->bits, client->addr);
 
-	if (!i2c_check_functionality(adapter, I2C_FUNC_I2C))
+	if (!i2c_check_functionality(adapter, I2C_FUNC_SMBUS_BYTE_DATA))
 		return -EIO;
 
 	if (pdata) {