linux-kernel - [PATCH] cx23885, cimax2.c: Fix case of two CAM insertion irq.

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Date:	Fri, 31 Dec 2010 07:04:38 +0200
From:	"Igor M. Liplianin" <liplianin@...by>
To:	Mauro Chehab <mchehab@...radead.org>, linux-media@...r.kernel.org,
	Abylai Ospan <aospan@...up.ru>,
	Linux Kernel Mailing List <linux-kernel@...r.kernel.org>
Subject: [PATCH] cx23885, cimax2.c: Fix case of two CAM insertion irq.

For example  boot up with two CAM inserted.

Signed-off-by: Abylay Ospan <aospan@...up.ru>
---
 drivers/media/video/cx23885/cimax2.c |   24 ++++++++++++++++--------
 1 files changed, 16 insertions(+), 8 deletions(-)

diff --git a/drivers/media/video/cx23885/cimax2.c b/drivers/media/video/cx23885/cimax2.c
index c95e7bc..209b971 100644
--- a/drivers/media/video/cx23885/cimax2.c
+++ b/drivers/media/video/cx23885/cimax2.c
@@ -368,7 +368,7 @@ static void netup_read_ci_status(struct work_struct *work)
 				DVB_CA_EN50221_POLL_CAM_READY;
 		else
 			state->status = 0;
-	};
+	}
 }
 
 /* CI irq handler */
@@ -377,16 +377,24 @@ int netup_ci_slot_status(struct cx23885_dev *dev, u32 pci_status)
 	struct cx23885_tsport *port = NULL;
 	struct netup_ci_state *state = NULL;
 
-	if (pci_status & PCI_MSK_GPIO0)
-		port = &dev->ts1;
-	else if (pci_status & PCI_MSK_GPIO1)
-		port = &dev->ts2;
-	else /* who calls ? */
+	ci_dbg_print("%s:\n", __func__);
+
+	if (0 == (pci_status & (PCI_MSK_GPIO0 | PCI_MSK_GPIO1)))
 		return 0;
 
-	state = port->port_priv;
+	if (pci_status & PCI_MSK_GPIO0) {
+		port = &dev->ts1;
+		state = port->port_priv;
+		schedule_work(&state->work);
+		ci_dbg_print("%s: Wakeup CI0\n", __func__);
+	}
 
-	schedule_work(&state->work);
+	if (pci_status & PCI_MSK_GPIO1) {
+		port = &dev->ts2;
+		state = port->port_priv;
+		schedule_work(&state->work);
+		ci_dbg_print("%s: Wakeup CI1\n", __func__);
+	}
 
 	return 1;
 }
-- 
1.7.1

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