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path: root/drivers/media/video/cx23885/cx23885-ir.c
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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)
72 72
73} 73}
74 74
75/* Called in an IRQ context */ 75/* Possibly called in an IRQ context */
76void cx23885_ir_rx_v4l2_dev_notify(struct v4l2_subdev *sd, u32 events) 76void cx23885_ir_rx_v4l2_dev_notify(struct v4l2_subdev *sd, u32 events)
77{ 77{
78 struct cx23885_dev *dev = to_cx23885(sd->v4l2_dev); 78 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)
86 set_bit(CX23885_IR_RX_HW_FIFO_OVERRUN, notifications); 86 set_bit(CX23885_IR_RX_HW_FIFO_OVERRUN, notifications);
87 if (events & V4L2_SUBDEV_IR_RX_SW_FIFO_OVERRUN) 87 if (events & V4L2_SUBDEV_IR_RX_SW_FIFO_OVERRUN)
88 set_bit(CX23885_IR_RX_SW_FIFO_OVERRUN, notifications); 88 set_bit(CX23885_IR_RX_SW_FIFO_OVERRUN, notifications);
89 schedule_work(&dev->ir_rx_work); 89
90 /*
91 * For the integrated AV core, we are already in a workqueue context.
92 * For the CX23888 integrated IR, we are in an interrupt context.
93 */
94 if (sd == dev->sd_cx25840)
95 cx23885_ir_rx_work_handler(&dev->ir_rx_work);
96 else
97 schedule_work(&dev->ir_rx_work);
90} 98}
91 99
92/* Called in an IRQ context */ 100/* Possibly called in an IRQ context */
93void cx23885_ir_tx_v4l2_dev_notify(struct v4l2_subdev *sd, u32 events) 101void cx23885_ir_tx_v4l2_dev_notify(struct v4l2_subdev *sd, u32 events)
94{ 102{
95 struct cx23885_dev *dev = to_cx23885(sd->v4l2_dev); 103 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)
97 105
98 if (events & V4L2_SUBDEV_IR_TX_FIFO_SERVICE_REQ) 106 if (events & V4L2_SUBDEV_IR_TX_FIFO_SERVICE_REQ)
99 set_bit(CX23885_IR_TX_FIFO_SERVICE_REQ, notifications); 107 set_bit(CX23885_IR_TX_FIFO_SERVICE_REQ, notifications);
100 schedule_work(&dev->ir_tx_work); 108
109 /*
110 * For the integrated AV core, we are already in a workqueue context.
111 * For the CX23888 integrated IR, we are in an interrupt context.
112 */
113 if (sd == dev->sd_cx25840)
114 cx23885_ir_tx_work_handler(&dev->ir_tx_work);
115 else
116 schedule_work(&dev->ir_tx_work);
101} 117}