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authorSteven Toth <stoth@hauppauge.com>2008-01-05 16:55:45 -0300
committerMauro Carvalho Chehab <mchehab@infradead.org>2008-01-25 19:05:06 -0200
commit8c70017f5793e68ea48085a65008d713c9a85dde (patch)
treec8092f3425d9dbe1be78a19389ebd5e3fac6d6ac /drivers/media/video/cx23885/cx23885-cards.c
parent60464da8b1ed8d7c19563f58cadb0ca990448a36 (diff)
V4L/DVB (7044): XC5000: Fix support for HVR1500Q broken by patch 1
From Zhang: This patch fixes support for the HVR1500Q which was broken when the xc5000 analog patch was added. Patch committed as-is, cleanups to follows .... Steve Signed-off-by: Chaogui Zhang <czhang1974@gmail.com> Signed-off-by: Steven Toth <stoth@hauppauge.com> Signed-off-by: Mauro Carvalho Chehab <mchehab@infradead.org>
Diffstat (limited to 'drivers/media/video/cx23885/cx23885-cards.c')
-rw-r--r--drivers/media/video/cx23885/cx23885-cards.c28
1 files changed, 28 insertions, 0 deletions
diff --git a/drivers/media/video/cx23885/cx23885-cards.c b/drivers/media/video/cx23885/cx23885-cards.c
index c2d5a4d7228..ee3f1b09914 100644
--- a/drivers/media/video/cx23885/cx23885-cards.c
+++ b/drivers/media/video/cx23885/cx23885-cards.c
@@ -244,6 +244,34 @@ static void hauppauge_eeprom(struct cx23885_dev *dev, u8 *eeprom_data)
dev->name, tv.model);
}
+/* Tuner callback function for cx23885 boards. Currently only needed
+ * for HVR1500Q, which has an xc5000 tuner.
+ */
+int cx23885_tuner_callback(void *i2c_bus, int command, int arg)
+{
+ struct cx23885_i2c *bus = i2c_bus;
+ struct cx23885_dev *dev = bus->dev;
+
+ switch(dev->board) {
+ case CX23885_BOARD_HAUPPAUGE_HVR1500Q:
+ if(command == 0) { /* Tuner Reset Command from xc5000 */
+ /* Drive the tuner into reset and out */
+ cx_clear(GP0_IO, 0x00000004);
+ mdelay(200);
+ cx_set(GP0_IO, 0x00000004);
+ return 0;
+ }
+ else {
+ printk(KERN_ERR
+ "%s(): Unknow command.\n", __FUNCTION__);
+ return -EINVAL;
+ }
+ break;
+ }
+
+ return 0; /* Should never be here */
+}
+EXPORT_SYMBOL(cx23885_tuner_callback);
void cx23885_gpio_setup(struct cx23885_dev *dev)
{
switch(dev->board) {