diff options
| author | Mauro Carvalho Chehab <mchehab@redhat.com> | 2012-01-09 22:28:13 -0200 |
|---|---|---|
| committer | Mauro Carvalho Chehab <mchehab@redhat.com> | 2012-01-10 22:35:28 -0200 |
| commit | 90bf3aab42937f760e5b645ab63df46d26b5e620 (patch) | |
| tree | ed1dec61c0283b4ef0beae71dbbebbf11bf57b4c /drivers/media/video/cx231xx/cx231xx-input.c | |
| parent | c53a8e951b9cb5689a510ef31c85fb9b1ff78f11 (diff) | |
[media] cx231xx-input: stop polling if the device got removed.
If the device got removed, stops polling it. Also, un-registers
it at input/evdev, as it won't work anymore. We can't free the
IR structure yet, as the ir_remove method will be called later.
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
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 |