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path: root/drivers/media/video/pvrusb2/pvrusb2-i2c-core.c
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Diffstat (limited to 'drivers/media/video/pvrusb2/pvrusb2-i2c-core.c')
-rw-r--r--drivers/media/video/pvrusb2/pvrusb2-i2c-core.c12
1 files changed, 10 insertions, 2 deletions
diff --git a/drivers/media/video/pvrusb2/pvrusb2-i2c-core.c b/drivers/media/video/pvrusb2/pvrusb2-i2c-core.c
index 9af282f9e76..838d01c9d02 100644
--- a/drivers/media/video/pvrusb2/pvrusb2-i2c-core.c
+++ b/drivers/media/video/pvrusb2/pvrusb2-i2c-core.c
@@ -574,7 +574,9 @@ void pvr2_i2c_core_init(struct pvr2_hdw *hdw)
printk(KERN_INFO "%s: IR disabled\n",hdw->name);
hdw->i2c_func[0x18] = i2c_black_hole;
} else if (ir_mode[hdw->unit_number] == 1) {
- if (hdw->hdw_desc->ir_scheme == PVR2_IR_SCHEME_24XXX) {
+ if (hdw->ir_scheme_active == PVR2_IR_SCHEME_24XXX) {
+ /* Set up translation so that our IR looks like a
+ 29xxx device */
hdw->i2c_func[0x18] = i2c_24xxx_ir;
}
}
@@ -597,12 +599,18 @@ void pvr2_i2c_core_init(struct pvr2_hdw *hdw)
i2c_add_adapter(&hdw->i2c_adap);
if (hdw->i2c_func[0x18] == i2c_24xxx_ir) {
/* Probe for a different type of IR receiver on this
- device. If present, disable the emulated IR receiver. */
+ device. This is really the only way to differentiate
+ older 24xxx devices from 24xxx variants that include an
+ IR blaster. If the IR blaster is present, the IR
+ receiver is part of that chip and thus we must disable
+ the emulated IR receiver. */
if (do_i2c_probe(hdw, 0x71)) {
pvr2_trace(PVR2_TRACE_INFO,
"Device has newer IR hardware;"
" disabling unneeded virtual IR device");
hdw->i2c_func[0x18] = NULL;
+ /* Remember that this is a different device... */
+ hdw->ir_scheme_active = PVR2_IR_SCHEME_24XXX_MCE;
}
}
if (i2c_scan) do_i2c_scan(hdw);