1 files changed, 96 insertions, 0 deletions

diff --git a/drivers/media/usb/pvrusb2/pvrusb2-audio.c b/drivers/media/usb/pvrusb2/pvrusb2-audio.c
new file mode 100644
index 000000000000..cc06d5e4adcc
--- /dev/null
+++ b/drivers/media/usb/pvrusb2/pvrusb2-audio.c
@@ -0,0 +1,96 @@
+/*
+ *
+ *
+ *  Copyright (C) 2005 Mike Isely <isely@pobox.com>
+ *  Copyright (C) 2004 Aurelien Alleaume <slts@free.fr>
+ *
+ *  This program is free software; you can redistribute it and/or modify
+ *  it under the terms of the GNU General Public License as published by
+ *  the Free Software Foundation; either version 2 of the License
+ *
+ *  This program is distributed in the hope that it will be useful,
+ *  but WITHOUT ANY WARRANTY; without even the implied warranty of
+ *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ *  GNU General Public License for more details.
+ *
+ *  You should have received a copy of the GNU General Public License
+ *  along with this program; if not, write to the Free Software
+ *  Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
+ *
+ */
+
+#include "pvrusb2-audio.h"
+#include "pvrusb2-hdw-internal.h"
+#include "pvrusb2-debug.h"
+#include <linux/videodev2.h>
+#include <media/msp3400.h>
+#include <media/v4l2-common.h>
+
+
+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_def0 = {
+        .def = routing_scheme0,
+        .cnt = ARRAY_SIZE(routing_scheme0),
+};
+
+static const struct routing_scheme *routing_schemes[] = {
+        [PVR2_ROUTING_SCHEME_HAUPPAUGE] = &routing_def0,
+};
+
+void pvr2_msp3400_subdev_update(struct pvr2_hdw *hdw, struct v4l2_subdev *sd)
+{
+        if (hdw->input_dirty || hdw->force_dirty) {
+                const struct routing_scheme *sp;
+                unsigned int sid = hdw->hdw_desc->signal_routing_scheme;
+                u32 input;
+
+                pvr2_trace(PVR2_TRACE_CHIPS, "subdev msp3400 v4l2 set_stereo");
+                sp = (sid < ARRAY_SIZE(routing_schemes)) ?
+                        routing_schemes[sid] : NULL;
+
+                if ((sp != NULL) &&
+                    (hdw->input_val >= 0) &&
+                    (hdw->input_val < sp->cnt)) {
+                        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;
+                }
+                sd->ops->audio->s_routing(sd, input,
+                        MSP_OUTPUT(MSP_SC_IN_DSP_SCART1), 0);
+        }
+}
+
+/*
+  Stuff for Emacs to see, in order to encourage consistent editing style:
+  *** Local Variables: ***
+  *** mode: c ***
+  *** fill-column: 70 ***
+  *** tab-width: 8 ***
+  *** c-basic-offset: 8 ***
+  *** End: ***
+  */