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path: root/drivers/media/video/ivtv/ivtv-i2c.c
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Diffstat (limited to 'drivers/media/video/ivtv/ivtv-i2c.c')
-rw-r--r--drivers/media/video/ivtv/ivtv-i2c.c36
1 files changed, 33 insertions, 3 deletions
diff --git a/drivers/media/video/ivtv/ivtv-i2c.c b/drivers/media/video/ivtv/ivtv-i2c.c
index 9e3d32b8004c..e52aa322b134 100644
--- a/drivers/media/video/ivtv/ivtv-i2c.c
+++ b/drivers/media/video/ivtv/ivtv-i2c.c
@@ -579,9 +579,11 @@ static struct i2c_client ivtv_i2c_client_template = {
.name = "ivtv internal",
};
-/* init + register i2c algo-bit adapter */
+/* init + register i2c adapter + instantiate IR receiver */
int init_ivtv_i2c(struct ivtv *itv)
{
+ int retval;
+
IVTV_DEBUG_I2C("i2c init\n");
/* Sanity checks for the I2C hardware arrays. They must be the
@@ -619,9 +621,37 @@ int init_ivtv_i2c(struct ivtv *itv)
ivtv_setsda(itv, 1);
if (itv->options.newi2c > 0)
- return i2c_add_adapter(&itv->i2c_adap);
+ retval = i2c_add_adapter(&itv->i2c_adap);
else
- return i2c_bit_add_bus(&itv->i2c_adap);
+ retval = i2c_bit_add_bus(&itv->i2c_adap);
+
+ /* Instantiate the IR receiver device, if present */
+ if (retval == 0) {
+ struct i2c_board_info info;
+ /* The external IR receiver is at i2c address 0x34 (0x35 for
+ reads). Future Hauppauge cards will have an internal
+ receiver at 0x30 (0x31 for reads). In theory, both can be
+ fitted, and Hauppauge suggest an external overrides an
+ internal.
+
+ That's why we probe 0x1a (~0x34) first. CB
+ */
+ const unsigned short addr_list[] = {
+ 0x1a, /* Hauppauge IR external */
+ 0x18, /* Hauppauge IR internal */
+ 0x71, /* Hauppauge IR (PVR150) */
+ 0x64, /* Pixelview IR */
+ 0x30, /* KNC ONE IR */
+ 0x6b, /* Adaptec IR */
+ I2C_CLIENT_END
+ };
+
+ memset(&info, 0, sizeof(struct i2c_board_info));
+ strlcpy(info.type, "ir_video", I2C_NAME_SIZE);
+ i2c_new_probed_device(&itv->i2c_adap, &info, addr_list);
+ }
+
+ return retval;
}
void exit_ivtv_i2c(struct ivtv *itv)