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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.c142
1 files changed, 22 insertions, 120 deletions
diff --git a/drivers/media/video/pvrusb2/pvrusb2-audio.c b/drivers/media/video/pvrusb2/pvrusb2-audio.c
index cdedaa55f152..ccf2a3c7ad06 100644
--- a/drivers/media/video/pvrusb2/pvrusb2-audio.c
+++ b/drivers/media/video/pvrusb2/pvrusb2-audio.c
@@ -26,14 +26,6 @@
#include <media/msp3400.h>
#include <media/v4l2-common.h>
-struct pvr2_msp3400_handler {
- struct pvr2_hdw *hdw;
- struct pvr2_i2c_client *client;
- struct pvr2_i2c_handler i2c_handler;
- unsigned long stale_mask;
-};
-
-
struct routing_scheme {
const int *def;
@@ -63,123 +55,33 @@ static const struct routing_scheme routing_schemes[] = {
},
};
-/* 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");
-
- if ((sid < ARRAY_SIZE(routing_schemes)) &&
- ((sp = routing_schemes + sid) != NULL) &&
- (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);
-}
-
-
-static int check_stereo(struct pvr2_msp3400_handler *ctxt)
+void pvr2_msp3400_subdev_update(struct pvr2_hdw *hdw, struct v4l2_subdev *sd)
{
- struct pvr2_hdw *hdw = ctxt->hdw;
- return hdw->input_dirty;
-}
-
-
-struct pvr2_msp3400_ops {
- void (*update)(struct pvr2_msp3400_handler *);
- int (*check)(struct pvr2_msp3400_handler *);
-};
-
-
-static const struct pvr2_msp3400_ops msp3400_ops[] = {
- { .update = set_stereo, .check = check_stereo},
-};
-
-
-static int msp3400_check(struct pvr2_msp3400_handler *ctxt)
-{
- unsigned long msk;
- unsigned int idx;
-
- for (idx = 0; idx < ARRAY_SIZE(msp3400_ops); idx++) {
- msk = 1 << idx;
- if (ctxt->stale_mask & msk) continue;
- if (msp3400_ops[idx].check(ctxt)) {
- ctxt->stale_mask |= msk;
+ if (hdw->input_dirty || hdw->force_dirty) {
+ struct v4l2_routing route;
+ const struct routing_scheme *sp;
+ unsigned int sid = hdw->hdw_desc->signal_routing_scheme;
+
+ pvr2_trace(PVR2_TRACE_CHIPS, "subdev msp3400 v4l2 set_stereo");
+
+ if ((sid < ARRAY_SIZE(routing_schemes)) &&
+ ((sp = routing_schemes + sid) != NULL) &&
+ (hdw->input_val >= 0) &&
+ (hdw->input_val < sp->cnt)) {
+ route.input = sp->def[hdw->input_val];
+ } else {
+ pvr2_trace(PVR2_TRACE_ERROR_LEGS,
+ "*** WARNING *** subdev msp3400 set_input:"
+ " Invalid routing scheme (%u)"
+ " and/or input (%d)",
+ sid, hdw->input_val);
+ return;
}
+ route.output = MSP_OUTPUT(MSP_SC_IN_DSP_SCART1);
+ sd->ops->audio->s_routing(sd, &route);
}
- return ctxt->stale_mask != 0;
}
-
-static void msp3400_update(struct pvr2_msp3400_handler *ctxt)
-{
- unsigned long msk;
- unsigned int idx;
-
- for (idx = 0; idx < ARRAY_SIZE(msp3400_ops); idx++) {
- msk = 1 << idx;
- if (!(ctxt->stale_mask & msk)) continue;
- ctxt->stale_mask &= ~msk;
- msp3400_ops[idx].update(ctxt);
- }
-}
-
-
-static void pvr2_msp3400_detach(struct pvr2_msp3400_handler *ctxt)
-{
- ctxt->client->handler = NULL;
- kfree(ctxt);
-}
-
-
-static unsigned int pvr2_msp3400_describe(struct pvr2_msp3400_handler *ctxt,
- char *buf,unsigned int cnt)
-{
- return scnprintf(buf,cnt,"handler: pvrusb2-audio v4l2");
-}
-
-
-static const struct pvr2_i2c_handler_functions msp3400_funcs = {
- .detach = (void (*)(void *))pvr2_msp3400_detach,
- .check = (int (*)(void *))msp3400_check,
- .update = (void (*)(void *))msp3400_update,
- .describe = (unsigned int (*)(void *,char *,unsigned int))pvr2_msp3400_describe,
-};
-
-
-int pvr2_i2c_msp3400_setup(struct pvr2_hdw *hdw,struct pvr2_i2c_client *cp)
-{
- struct pvr2_msp3400_handler *ctxt;
- if (cp->handler) return 0;
-
- ctxt = kzalloc(sizeof(*ctxt),GFP_KERNEL);
- if (!ctxt) return 0;
-
- ctxt->i2c_handler.func_data = ctxt;
- ctxt->i2c_handler.func_table = &msp3400_funcs;
- ctxt->client = cp;
- ctxt->hdw = hdw;
- ctxt->stale_mask = (1 << ARRAY_SIZE(msp3400_ops)) - 1;
- cp->handler = &ctxt->i2c_handler;
- pvr2_trace(PVR2_TRACE_CHIPS,"i2c 0x%x msp3400 V4L2 handler set up",
- cp->client->addr);
- return !0;
-}
-
-
/*
Stuff for Emacs to see, in order to encourage consistent editing style:
*** Local Variables: ***