V4L/DVB (3582): Implement correct msp3400 input/output routing

- implement VIDIOC_INT_S_AUDIO_ROUTING for msp3400 and tvaudio
- use the new command in bttv, pvrusb2 and em28xx.
- remove the now obsolete MSP_SET_MATRIX from msp3400 (yeah!)
- remove the obsolete VIDIOC_S_AUDIO from msp3400.

Signed-off-by: Hans Verkuil <hverkuil@xs4all.nl>
Signed-off-by: Mauro Carvalho Chehab <mchehab@infradead.org>

1 files changed, 7 insertions, 1 deletions

diff --git a/drivers/media/video/em28xx/em28xx-video.c b/drivers/media/video/em28xx/em28xx-video.c
index 780342f7b239..dfba33d0fa61 100644
--- a/drivers/media/video/em28xx/em28xx-video.c
+++ b/drivers/media/video/em28xx/em28xx-video.c
@@ -38,6 +38,7 @@
 #include "em28xx.h"
 #include <media/tuner.h>
 #include <media/v4l2-common.h>
+#include <media/msp3400.h>
 
 #define DRIVER_AUTHOR "Ludovico Cavedon <cavedon@sssup.it>, " \
                       "Markus Rechberger <mrechberger@gmail.com>, " \
@@ -216,9 +217,14 @@ static void video_mux(struct em28xx *dev, int index)
         em28xx_videodbg("Setting input index=%d, vmux=%d, amux=%d\n",index,input,dev->ctl_ainput);
 
         if (dev->has_msp34xx) {
+                struct v4l2_routing route;
+
                 if (dev->i2s_speed)
                         em28xx_i2c_call_clients(dev, VIDIOC_INT_I2S_CLOCK_FREQ, &dev->i2s_speed);
-                em28xx_i2c_call_clients(dev, VIDIOC_S_AUDIO, &dev->ctl_ainput);
+                route.input = dev->ctl_ainput;
+                route.output = MSP_OUTPUT(MSP_OUT_SCART1_DA);
+                /* Note: this is msp3400 specific */
+                em28xx_i2c_call_clients(dev, VIDIOC_INT_S_AUDIO_ROUTING, &route);
                 ainput = EM28XX_AUDIO_SRC_TUNER;
                 em28xx_audio_source(dev, ainput);
         } else {