diff options
Diffstat (limited to 'drivers/media/video/cx231xx/cx231xx-input.c')
| -rw-r--r-- | drivers/media/video/cx231xx/cx231xx-input.c | 6 |
1 files changed, 5 insertions, 1 deletions
diff --git a/drivers/media/video/cx231xx/cx231xx-input.c b/drivers/media/video/cx231xx/cx231xx-input.c index 45e14cac462..8a75a908e70 100644 --- a/drivers/media/video/cx231xx/cx231xx-input.c +++ b/drivers/media/video/cx231xx/cx231xx-input.c @@ -27,12 +27,16 @@ static int get_key_isdbt(struct IR_i2c *ir, u32 *ir_key, u32 *ir_raw) { + int rc; u8 cmd, scancode; dev_dbg(&ir->rc->input_dev->dev, "%s\n", __func__); /* poll IR chip */ - if (1 != i2c_master_recv(ir->c, &cmd, 1)) + rc = i2c_master_recv(ir->c, &cmd, 1); + if (rc < 0) + return rc; + if (rc != 1) return -EIO; /* it seems that 0xFE indicates that a button is still hold |