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authorLinus Torvalds <torvalds@linux-foundation.org>2012-01-15 12:49:56 -0800
committerLinus Torvalds <torvalds@linux-foundation.org>2012-01-15 12:49:56 -0800
commit122804ecb59493fbb4d31b3ba9ac59faaf45276f (patch)
treecff4d8a158c412e4a8d3abc8d91bb0eb52b01c9a /drivers/media/video/ir-kbd-i2c.c
parent16008d641670571ff4cd750b416c7caf2d89f467 (diff)
parent126400033940afb658123517a2e80eb68259fbd7 (diff)
Merge branch 'v4l_for_linus' of git://git.kernel.org/pub/scm/linux/kernel/git/mchehab/linux-media
* 'v4l_for_linus' of git://git.kernel.org/pub/scm/linux/kernel/git/mchehab/linux-media: (655 commits) [media] revert patch: HDIC HD29L2 DMB-TH USB2.0 reference design driver mb86a20s: Add a few more register settings at the init seq mb86a20s: Group registers into the same line [media] [PATCH] don't reset the delivery system on DTV_CLEAR [media] [BUG] it913x-fe fix typo error making SNR levels unstable [media] cx23885: Query the CX25840 during enum_input for status [media] cx25840: Add support for g_input_status [media] rc-videomate-m1f.c Rename to match remote controler name [media] drivers: media: au0828: Fix dependency for VIDEO_AU0828 [media] convert drivers/media/* to use module_platform_driver() [media] drivers: video: cx231xx: Fix dependency for VIDEO_CX231XX_DVB [media] Exynos4 JPEG codec v4l2 driver [media] doc: v4l: selection: choose pixels as units for selection rectangles [media] v4l: s5p-tv: mixer: fix setup of VP scaling [media] v4l: s5p-tv: mixer: add support for selection API [media] v4l: emulate old crop API using extended crop/compose API [media] doc: v4l: add documentation for selection API [media] doc: v4l: add binary images for selection API [media] v4l: add support for selection api [media] hd29l2: fix review findings ...
Diffstat (limited to 'drivers/media/video/ir-kbd-i2c.c')
-rw-r--r--drivers/media/video/ir-kbd-i2c.c25
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 3ab875d036e..a7c41d32f41 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:
- */