From 6f9565120f5c2944b3d31daf03a07c272e12867b Mon Sep 17 00:00:00 2001
From: Mike Isely <isely@pobox.com>
Date: Sat, 7 Mar 2009 00:43:26 -0300
Subject: [PATCH] V4L/DVB (11177): pvrusb2: Tie in saa7115 sub-device handling

Signed-off-by: Mike Isely <isely@pobox.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
---
 drivers/media/video/pvrusb2/pvrusb2-hdw.c     |  2 +
 .../media/video/pvrusb2/pvrusb2-video-v4l.c   | 64 ++++++++++++++++---
 .../media/video/pvrusb2/pvrusb2-video-v4l.h   |  2 +
 3 files changed, 58 insertions(+), 10 deletions(-)

diff --git a/drivers/media/video/pvrusb2/pvrusb2-hdw.c b/drivers/media/video/pvrusb2/pvrusb2-hdw.c
index 3a93860310ed..e92ea6af8bc0 100644
--- a/drivers/media/video/pvrusb2/pvrusb2-hdw.c
+++ b/drivers/media/video/pvrusb2/pvrusb2-hdw.c
@@ -37,6 +37,7 @@
 #include "pvrusb2-debug.h"
 #include "pvrusb2-fx2-cmd.h"
 #include "pvrusb2-wm8775.h"
+#include "pvrusb2-video-v4l.h"
 
 #define TV_MIN_FREQ     55250000L
 #define TV_MAX_FREQ    850000000L
@@ -111,6 +112,7 @@ typedef void (*pvr2_subdev_update_func)(struct pvr2_hdw *,
 
 static const pvr2_subdev_update_func pvr2_module_update_functions[] = {
 	[PVR2_CLIENT_ID_WM8775] = pvr2_wm8775_update,
+	[PVR2_CLIENT_ID_SAA7115] = pvr2_saa7115_subdev_update,
 };
 
 static const char *module_names[] = {
diff --git a/drivers/media/video/pvrusb2/pvrusb2-video-v4l.c b/drivers/media/video/pvrusb2/pvrusb2-video-v4l.c
index 4059648c7056..ad28c5d3ad83 100644
--- a/drivers/media/video/pvrusb2/pvrusb2-video-v4l.c
+++ b/drivers/media/video/pvrusb2/pvrusb2-video-v4l.c
@@ -28,9 +28,10 @@
 */
 
 #include "pvrusb2-video-v4l.h"
-#include "pvrusb2-i2c-cmd-v4l2.h"
 
 
+#include "pvrusb2-i2c-cmd-v4l2.h"
+
 #include "pvrusb2-hdw-internal.h"
 #include "pvrusb2-debug.h"
 #include <linux/videodev2.h>
@@ -39,15 +40,6 @@
 #include <linux/errno.h>
 #include <linux/slab.h>
 
-struct pvr2_v4l_decoder {
-	struct pvr2_i2c_handler handler;
-	struct pvr2_decoder_ctrl ctrl;
-	struct pvr2_i2c_client *client;
-	struct pvr2_hdw *hdw;
-	unsigned long stale_mask;
-};
-
-
 struct routing_scheme {
 	const int *def;
 	unsigned int cnt;
@@ -70,6 +62,16 @@ static const struct routing_scheme routing_schemes[] = {
 	},
 };
 
+struct pvr2_v4l_decoder {
+	struct pvr2_i2c_handler handler;
+	struct pvr2_decoder_ctrl ctrl;
+	struct pvr2_i2c_client *client;
+	struct pvr2_hdw *hdw;
+	unsigned long stale_mask;
+};
+
+
+
 static void set_input(struct pvr2_v4l_decoder *ctxt)
 {
 	struct pvr2_hdw *hdw = ctxt->hdw;
@@ -245,6 +247,48 @@ int pvr2_i2c_decoder_v4l_setup(struct pvr2_hdw *hdw,
 }
 
 
+void pvr2_saa7115_subdev_update(struct pvr2_hdw *hdw, struct v4l2_subdev *sd)
+{
+	if (hdw->srate_dirty) {
+		u32 val;
+		pvr2_trace(PVR2_TRACE_CHIPS, "subdev v4l2 set_audio %d",
+			   hdw->srate_val);
+		switch (hdw->srate_val) {
+		default:
+		case V4L2_MPEG_AUDIO_SAMPLING_FREQ_48000:
+			val = 48000;
+			break;
+		case V4L2_MPEG_AUDIO_SAMPLING_FREQ_44100:
+			val = 44100;
+			break;
+		case V4L2_MPEG_AUDIO_SAMPLING_FREQ_32000:
+			val = 32000;
+			break;
+		}
+		sd->ops->audio->s_clock_freq(sd, val);
+	}
+	if (hdw->input_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 v4l2 set_input(%d)",
+			   hdw->input_val);
+		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 v4l2 set_input:"
+				   " Invalid routing scheme (%u) and/or input (%d)",
+				   sid, hdw->input_val);
+			return;
+		}
+		route.output = 0;
+		sd->ops->video->s_routing(sd, &route);
+	}
+}
 
 
 /*
diff --git a/drivers/media/video/pvrusb2/pvrusb2-video-v4l.h b/drivers/media/video/pvrusb2/pvrusb2-video-v4l.h
index b2cd3875bb5b..dac4b1ad3664 100644
--- a/drivers/media/video/pvrusb2/pvrusb2-video-v4l.h
+++ b/drivers/media/video/pvrusb2/pvrusb2-video-v4l.h
@@ -37,6 +37,8 @@
 
 int pvr2_i2c_decoder_v4l_setup(struct pvr2_hdw *,struct pvr2_i2c_client *);
 
+#include "pvrusb2-hdw-internal.h"
+void pvr2_saa7115_subdev_update(struct pvr2_hdw *, struct v4l2_subdev *);
 
 #endif /* __PVRUSB2_VIDEO_V4L_H */