V4L/DVB (3607): Implement routing command for saa7115.c
Signed-off-by: Hans Verkuil <hverkuil@xs4all.nl>
Signed-off-by: Mauro Carvalho Chehab <mchehab@infradead.org>
diff --git a/drivers/media/video/saa7115.c b/drivers/media/video/saa7115.c
index f2123d6..615ec90 100644
--- a/drivers/media/video/saa7115.c
+++ b/drivers/media/video/saa7115.c
@@ -40,6 +40,7 @@
#include <linux/i2c.h>
#include <linux/videodev2.h>
#include <media/v4l2-common.h>
+#include <media/saa7115.h>
#include <asm/div64.h>
MODULE_DESCRIPTION("Philips SAA7113/SAA7114/SAA7115 video decoder driver");
@@ -1180,6 +1181,46 @@
state->radio = 1;
break;
+ case VIDIOC_INT_G_VIDEO_ROUTING:
+ {
+ struct v4l2_routing *route = arg;
+
+ route->input = state->input;
+ route->output = 0;
+ break;
+ }
+
+ case VIDIOC_INT_S_VIDEO_ROUTING:
+ {
+ struct v4l2_routing *route = arg;
+
+ v4l_dbg(1, debug, client, "decoder set input %d\n", route->input);
+ /* saa7113 does not have these inputs */
+ if (state->ident == V4L2_IDENT_SAA7113 &&
+ (route->input == SAA7115_COMPOSITE4 ||
+ route->input == SAA7115_COMPOSITE5)) {
+ return -EINVAL;
+ }
+ if (route->input > SAA7115_SVIDEO3)
+ return -EINVAL;
+ if (state->input == route->input)
+ break;
+ v4l_dbg(1, debug, client, "now setting %s input\n",
+ (route->input >= SAA7115_SVIDEO0) ? "S-Video" : "Composite");
+ state->input = route->input;
+
+ /* select mode */
+ saa7115_write(client, 0x02,
+ (saa7115_read(client, 0x02) & 0xf0) |
+ state->input);
+
+ /* bypass chrominance trap for S-Video modes */
+ saa7115_write(client, 0x09,
+ (saa7115_read(client, 0x09) & 0x7f) |
+ (state->input >= SAA7115_SVIDEO0 ? 0x80 : 0x0));
+ break;
+ }
+
case VIDIOC_G_INPUT:
*(int *)arg = state->input;
break;