diff options
Diffstat (limited to 'drivers/media/video/ir-kbd-i2c.c')
| -rw-r--r-- | drivers/media/video/ir-kbd-i2c.c | 25 |
1 files changed, 13 insertions, 12 deletions
diff --git a/drivers/media/video/ir-kbd-i2c.c b/drivers/media/video/ir-kbd-i2c.c index 3ab875d036e1..a7c41d32f414 100644 --- a/drivers/media/video/ir-kbd-i2c.c +++ b/drivers/media/video/ir-kbd-i2c.c @@ -244,7 +244,7 @@ static int get_key_avermedia_cardbus(struct IR_i2c *ir, /* ----------------------------------------------------------------------- */ -static void ir_key_poll(struct IR_i2c *ir) +static int ir_key_poll(struct IR_i2c *ir) { static u32 ir_key, ir_raw; int rc; @@ -253,20 +253,28 @@ static void ir_key_poll(struct IR_i2c *ir) rc = ir->get_key(ir, &ir_key, &ir_raw); if (rc < 0) { dprintk(2,"error\n"); - return; + return rc; } if (rc) { dprintk(1, "%s: keycode = 0x%04x\n", __func__, ir_key); rc_keydown(ir->rc, ir_key, 0); } + return 0; } static void ir_work(struct work_struct *work) { + int rc; struct IR_i2c *ir = container_of(work, struct IR_i2c, work.work); - ir_key_poll(ir); + rc = ir_key_poll(ir); + if (rc == -ENODEV) { + rc_unregister_device(ir->rc); + ir->rc = NULL; + return; + } + schedule_delayed_work(&ir->work, msecs_to_jiffies(ir->polling_interval)); } @@ -446,7 +454,8 @@ static int ir_remove(struct i2c_client *client) cancel_delayed_work_sync(&ir->work); /* unregister device */ - rc_unregister_device(ir->rc); + if (ir->rc) + rc_unregister_device(ir->rc); /* free memory */ kfree(ir); @@ -489,11 +498,3 @@ static void __exit ir_fini(void) module_init(ir_init); module_exit(ir_fini); - -/* - * Overrides for Emacs so that we follow Linus's tabbing style. - * --------------------------------------------------------------------------- - * Local variables: - * c-basic-offset: 8 - * End: - */ |