1 files changed, 15 insertions, 0 deletions

diff --git a/drivers/media/video/cx23885/cx23885.h b/drivers/media/video/cx23885/cx23885.h
index 48d0c87ddbc2..b957242dcd5e 100644
--- a/drivers/media/video/cx23885/cx23885.h
+++ b/drivers/media/video/cx23885/cx23885.h
@@ -100,6 +100,17 @@ typedef enum {
 struct cx23885_board {
         char                    *name;
         port_t                  portb, portc;
+
+        /* Vendors can and do run the PCIe bridge at different
+         * clock rates, driven physically by crystals on the PCBs.
+         * The core has to accomodate this. This allows the user
+         * to add new boards with new frequencys. The value is
+         * expressed in Hz.
+         *
+         * The core framework will default this value based on
+         * current designs, but it can vary.
+         */
+        u32                     clk_freq;
         struct cx23885_input    input[MAX_CX23885_INPUT];
 };
 
@@ -193,6 +204,10 @@ struct cx23885_dev {
         int                        pci_irqmask;
         int                        hwrevision;
 
+        /* This valud is board specific and is used to configure the
+         * AV core so we see nice clean and stable video and audio. */
+        u32                        clk_freq;
+
         /* I2C adapters: Master 1 & 2 (External) & Master 3 (Internal only) */
         struct cx23885_i2c         i2c_bus[3];