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 <tnhuynh@xxxxxxx>
---
drivers/leds/leds-pca955x.c | 2 +-
1 files changed, 1 insertions(+), 1 deletions(-)
diff --git a/drivers/leds/leds-pca955x.c b/drivers/leds/leds-pca955x.c
index 78a7ce8..9a87311 100644
--- 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) {
--
1.7.1
