The caller of this function treats all non-zero values as an error, so
the return value of i2c_master_recv() cannot be returned directly.
This fixes touch reporting when there are more than 6 active touches.
Fixes: ef536abd3afd1 ("Input: ili210x - define and use chip operations structure")
Signed-off-by: John Keeping <jkeeping@xxxxxxxxxxxxxxxxx>
---
Changes since v1:
- Simplify change to avoid introducing a new variable
- Add Fixes tag
drivers/input/touchscreen/ili210x.c | 4 ++--
1 file changed, 2 insertions(+), 2 deletions(-)
diff --git a/drivers/input/touchscreen/ili210x.c b/drivers/input/touchscreen/ili210x.c
index 31ffdc2a93f35..79bdb2b109496 100644
--- a/drivers/input/touchscreen/ili210x.c
+++ b/drivers/input/touchscreen/ili210x.c
@@ -261,8 +261,8 @@ static int ili251x_read_touch_data(struct i2c_client *client, u8 *data)
if (!error && data[0] == 2) {
error = i2c_master_recv(client, data + ILI251X_DATA_SIZE1,
ILI251X_DATA_SIZE2);
- if (error >= 0 && error != ILI251X_DATA_SIZE2)
- error = -EIO;
+ if (error >= 0)
+ error = error == ILI251X_DATA_SIZE2 ? 0 : -EIO;
}
return error;
--
2.45.1
