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authorLinus Torvalds <torvalds@linux-foundation.org>2010-08-10 15:09:54 -0700
committerLinus Torvalds <torvalds@linux-foundation.org>2010-08-10 15:09:54 -0700
commit7ae0dea900b027cd90e8a3e14deca9a19e17638b (patch)
tree428cbe411bba90f6580ae21338276c949e91f23a /drivers/media/video/cx23885/cx23885-ir.c
parent6c74700fdb8e3bc34c31790384a8ec16c4fefd97 (diff)
parent560afa7d85bdfb294506afd3032c315e6827824f (diff)
Merge branch 'v4l_for_linus' of git://git.kernel.org/pub/scm/linux/kernel/git/mchehab/linux-2.6
* 'v4l_for_linus' of git://git.kernel.org/pub/scm/linux/kernel/git/mchehab/linux-2.6: (94 commits) V4L/DVB: tvp7002: fix write to H-PLL Feedback Divider LSB register V4L/DVB: dvb: siano: free spinlock before schedule() V4L/DVB: media: video: pvrusb2: remove custom hex_to_bin() V4L/DVB: drivers: usbvideo: remove custom implementation of hex_to_bin() V4L/DVB: Report supported QAM modes on bt8xx V4L/DVB: media: ir-keytable: null dereference in debug code V4L/DVB: ivtv: convert to the new control framework V4L/DVB: ivtv: convert gpio subdev to new control framework V4L/DVB: wm8739: convert to the new control framework V4L/DVB: cs53l32a: convert to new control framework V4L/DVB: wm8775: convert to the new control framework V4L/DVB: cx2341x: convert to the control framework V4L/DVB: cx25840: convert to the new control framework V4L/DVB: cx25840/ivtv: replace ugly priv control with s_config V4L/DVB: saa717x: convert to the new control framework V4L/DVB: msp3400: convert to the new control framework V4L/DVB: saa7115: convert to the new control framework V4L/DVB: v4l2: hook up the new control framework into the core framework V4L/DVB: Documentation: add v4l2-controls.txt documenting the new controls API V4L/DVB: v4l2-ctrls: Whitespace cleanups ...
Diffstat (limited to 'drivers/media/video/cx23885/cx23885-ir.c')
-rw-r--r--drivers/media/video/cx23885/cx23885-ir.c24
1 files changed, 20 insertions, 4 deletions
diff --git a/drivers/media/video/cx23885/cx23885-ir.c b/drivers/media/video/cx23885/cx23885-ir.c
index 6ceabd4fba07..7125247dd255 100644
--- a/drivers/media/video/cx23885/cx23885-ir.c
+++ b/drivers/media/video/cx23885/cx23885-ir.c
@@ -72,7 +72,7 @@ void cx23885_ir_tx_work_handler(struct work_struct *work)
}
-/* Called in an IRQ context */
+/* Possibly called in an IRQ context */
void cx23885_ir_rx_v4l2_dev_notify(struct v4l2_subdev *sd, u32 events)
{
struct cx23885_dev *dev = to_cx23885(sd->v4l2_dev);
@@ -86,10 +86,18 @@ void cx23885_ir_rx_v4l2_dev_notify(struct v4l2_subdev *sd, u32 events)
set_bit(CX23885_IR_RX_HW_FIFO_OVERRUN, notifications);
if (events & V4L2_SUBDEV_IR_RX_SW_FIFO_OVERRUN)
set_bit(CX23885_IR_RX_SW_FIFO_OVERRUN, notifications);
- schedule_work(&dev->ir_rx_work);
+
+ /*
+ * For the integrated AV core, we are already in a workqueue context.
+ * For the CX23888 integrated IR, we are in an interrupt context.
+ */
+ if (sd == dev->sd_cx25840)
+ cx23885_ir_rx_work_handler(&dev->ir_rx_work);
+ else
+ schedule_work(&dev->ir_rx_work);
}
-/* Called in an IRQ context */
+/* Possibly called in an IRQ context */
void cx23885_ir_tx_v4l2_dev_notify(struct v4l2_subdev *sd, u32 events)
{
struct cx23885_dev *dev = to_cx23885(sd->v4l2_dev);
@@ -97,5 +105,13 @@ void cx23885_ir_tx_v4l2_dev_notify(struct v4l2_subdev *sd, u32 events)
if (events & V4L2_SUBDEV_IR_TX_FIFO_SERVICE_REQ)
set_bit(CX23885_IR_TX_FIFO_SERVICE_REQ, notifications);
- schedule_work(&dev->ir_tx_work);
+
+ /*
+ * For the integrated AV core, we are already in a workqueue context.
+ * For the CX23888 integrated IR, we are in an interrupt context.
+ */
+ if (sd == dev->sd_cx25840)
+ cx23885_ir_tx_work_handler(&dev->ir_tx_work);
+ else
+ schedule_work(&dev->ir_tx_work);
}