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path: root/drivers/media/video/pvrusb2/pvrusb2-audio.c
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Diffstat (limited to 'drivers/media/video/pvrusb2/pvrusb2-audio.c')
-rw-r--r--drivers/media/video/pvrusb2/pvrusb2-audio.c62
1 files changed, 43 insertions, 19 deletions
diff --git a/drivers/media/video/pvrusb2/pvrusb2-audio.c b/drivers/media/video/pvrusb2/pvrusb2-audio.c
index 379645e481c..9a7c8e9c3e8 100644
--- a/drivers/media/video/pvrusb2/pvrusb2-audio.c
+++ b/drivers/media/video/pvrusb2/pvrusb2-audio.c
@@ -35,34 +35,58 @@ struct pvr2_msp3400_handler {
};
+
+struct routing_scheme {
+ const int *def;
+ unsigned int cnt;
+};
+
+static const int routing_scheme0[] = {
+ [PVR2_CVAL_INPUT_TV] = MSP_INPUT_DEFAULT,
+ [PVR2_CVAL_INPUT_RADIO] = MSP_INPUT(MSP_IN_SCART2,
+ MSP_IN_TUNER1,
+ MSP_DSP_IN_SCART,
+ MSP_DSP_IN_SCART),
+ [PVR2_CVAL_INPUT_COMPOSITE] = MSP_INPUT(MSP_IN_SCART1,
+ MSP_IN_TUNER1,
+ MSP_DSP_IN_SCART,
+ MSP_DSP_IN_SCART),
+ [PVR2_CVAL_INPUT_SVIDEO] = MSP_INPUT(MSP_IN_SCART1,
+ MSP_IN_TUNER1,
+ MSP_DSP_IN_SCART,
+ MSP_DSP_IN_SCART),
+};
+
+static const struct routing_scheme routing_schemes[] = {
+ [PVR2_ROUTING_SCHEME_HAUPPAUGE] = {
+ .def = routing_scheme0,
+ .cnt = ARRAY_SIZE(routing_scheme0),
+ },
+};
+
/* This function selects the correct audio input source */
static void set_stereo(struct pvr2_msp3400_handler *ctxt)
{
struct pvr2_hdw *hdw = ctxt->hdw;
struct v4l2_routing route;
+ const struct routing_scheme *sp;
+ unsigned int sid = hdw->hdw_desc->signal_routing_scheme;
pvr2_trace(PVR2_TRACE_CHIPS,"i2c msp3400 v4l2 set_stereo");
- route.input = MSP_INPUT_DEFAULT;
- route.output = MSP_OUTPUT(MSP_SC_IN_DSP_SCART1);
- switch (hdw->input_val) {
- case PVR2_CVAL_INPUT_TV:
- break;
- case PVR2_CVAL_INPUT_RADIO:
- /* Assume that msp34xx also handle FM decoding, in which case
- we're still using the tuner. */
- /* HV: actually it is more likely to be the SCART2 input if
- the ivtv experience is any indication. */
- route.input = MSP_INPUT(MSP_IN_SCART2, MSP_IN_TUNER1,
- MSP_DSP_IN_SCART, MSP_DSP_IN_SCART);
- break;
- case PVR2_CVAL_INPUT_SVIDEO:
- case PVR2_CVAL_INPUT_COMPOSITE:
- /* SCART 1 input */
- route.input = MSP_INPUT(MSP_IN_SCART1, MSP_IN_TUNER1,
- MSP_DSP_IN_SCART, MSP_DSP_IN_SCART);
- break;
+ if ((sid < ARRAY_SIZE(routing_schemes)) &&
+ ((sp = routing_schemes + sid) != 0) &&
+ (hdw->input_val >= 0) &&
+ (hdw->input_val < sp->cnt)) {
+ route.input = sp->def[hdw->input_val];
+ } else {
+ pvr2_trace(PVR2_TRACE_ERROR_LEGS,
+ "*** WARNING *** i2c msp3400 v4l2 set_stereo:"
+ " Invalid routing scheme (%u) and/or input (%d)",
+ sid,hdw->input_val);
+ return;
}
+ route.output = MSP_OUTPUT(MSP_SC_IN_DSP_SCART1);
pvr2_i2c_client_cmd(ctxt->client,VIDIOC_INT_S_AUDIO_ROUTING,&route);
}