1 files changed, 68 insertions, 0 deletions
diff --git a/drivers/media/usb/pvrusb2/pvrusb2-cs53l32a.c b/drivers/media/usb/pvrusb2/pvrusb2-cs53l32a.c
new file mode 100644
index 000000000..7eefa0f86
--- /dev/null
+++ b/drivers/media/usb/pvrusb2/pvrusb2-cs53l32a.c
@@ -0,0 +1,68 @@
+// SPDX-License-Identifier: GPL-2.0-only
+/*
+ *
+ *  Copyright (C) 2005 Mike Isely <isely@pobox.com>
+ *  Copyright (C) 2004 Aurelien Alleaume <slts@free.fr>
+ */
+
+/*
+
+   This source file is specifically designed to interface with the
+   v4l-dvb cs53l32a module.
+
+*/
+
+#include "pvrusb2-cs53l32a.h"
+
+
+#include "pvrusb2-hdw-internal.h"
+#include "pvrusb2-debug.h"
+#include <linux/videodev2.h>
+#include <media/v4l2-common.h>
+#include <linux/errno.h>
+
+struct routing_scheme {
+	const int *def;
+	unsigned int cnt;
+};
+
+
+static const int routing_scheme1[] = {
+	[PVR2_CVAL_INPUT_TV] = 2,  /* 1 or 2 seems to work here */
+	[PVR2_CVAL_INPUT_RADIO] = 2,
+	[PVR2_CVAL_INPUT_COMPOSITE] = 0,
+	[PVR2_CVAL_INPUT_SVIDEO] =  0,
+};
+
+static const struct routing_scheme routing_def1 = {
+	.def = routing_scheme1,
+	.cnt = ARRAY_SIZE(routing_scheme1),
+};
+
+static const struct routing_scheme *routing_schemes[] = {
+	[PVR2_ROUTING_SCHEME_ONAIR] = &routing_def1,
+};
+
+
+void pvr2_cs53l32a_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 v4l2 set_input(%d)",
+			   hdw->input_val);
+		sp = (sid < ARRAY_SIZE(routing_schemes)) ?
+			routing_schemes[sid] : NULL;
+		if ((sp == NULL) ||
+		    (hdw->input_val < 0) ||
+		    (hdw->input_val >= sp->cnt)) {
+			pvr2_trace(PVR2_TRACE_ERROR_LEGS,
+				   "*** WARNING *** subdev v4l2 set_input: Invalid routing scheme (%u) and/or input (%d)",
+				   sid, hdw->input_val);
+			return;
+		}
+		input = sp->def[hdw->input_val];
+		sd->ops->audio->s_routing(sd, input, 0, 0);
+	}
+}