V4L/DVB (13098): cx23885: Add integrated IR subdevice interrupt and notification handling

Add integrated IR subdevice interrupt and notification handling.  This is in
preparation of input keypress handling changes for the cx23885 module.

Signed-off-by: Andy Walls <awalls@radix.net>
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>

1 files changed, 23 insertions, 0 deletions

diff --git a/drivers/media/video/cx23885/cx23885-cards.c b/drivers/media/video/cx23885/cx23885-cards.c
index 7c5d13ac538..c0e2409f3cb 100644
--- a/drivers/media/video/cx23885/cx23885-cards.c
+++ b/drivers/media/video/cx23885/cx23885-cards.c
@@ -821,6 +821,7 @@ int cx23885_ir_init(struct cx23885_dev *dev)
                 if (ret)
                         break;
                 dev->sd_ir = cx23885_find_hw(dev, CX23885_HW_888_IR);
+                dev->pci_irqmask |= PCI_MSK_IR;
                 break;
         case CX23885_BOARD_DVICO_FUSIONHDTV_DVB_T_DUAL_EXP:
                 request_module("ir-kbd-i2c");
@@ -830,6 +831,28 @@ int cx23885_ir_init(struct cx23885_dev *dev)
         return ret;
 }
 
+void cx23885_ir_fini(struct cx23885_dev *dev)
+{
+        switch (dev->board) {
+        case CX23885_BOARD_HAUPPAUGE_HVR1850:
+                dev->pci_irqmask &= ~PCI_MSK_IR;
+                cx_clear(PCI_INT_MSK, PCI_MSK_IR);
+                cx23888_ir_remove(dev);
+                dev->sd_ir = NULL;
+                break;
+        }
+}
+
+void cx23885_ir_pci_int_enable(struct cx23885_dev *dev)
+{
+        switch (dev->board) {
+        case CX23885_BOARD_HAUPPAUGE_HVR1850:
+                if (dev->sd_ir && (dev->pci_irqmask & PCI_MSK_IR))
+                        cx_set(PCI_INT_MSK, PCI_MSK_IR);
+                break;
+        }
+}
+
 void cx23885_card_setup(struct cx23885_dev *dev)
 {
         struct cx23885_tsport *ts1 = &dev->ts1;