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Diffstat (limited to 'drivers/media/video/cx18/cx18-audio.c')
-rw-r--r--drivers/media/video/cx18/cx18-audio.c15
1 files changed, 14 insertions, 1 deletions
diff --git a/drivers/media/video/cx18/cx18-audio.c b/drivers/media/video/cx18/cx18-audio.c
index 1adc404d955e..6d5b94fc7087 100644
--- a/drivers/media/video/cx18/cx18-audio.c
+++ b/drivers/media/video/cx18/cx18-audio.c
@@ -26,13 +26,17 @@
#include "cx18-cards.h"
#include "cx18-audio.h"
+#define CX18_AUDIO_ENABLE 0xc72014
+
/* Selects the audio input and output according to the current
settings. */
int cx18_audio_set_io(struct cx18 *cx)
{
struct v4l2_routing route;
u32 audio_input;
+ u32 val;
int mux_input;
+ int err;
/* Determine which input to use */
if (test_bit(CX18_F_I_RADIO_USER, &cx->i_flags)) {
@@ -51,8 +55,17 @@ int cx18_audio_set_io(struct cx18 *cx)
cx18_i2c_hw(cx, cx->card->hw_muxer, VIDIOC_INT_S_AUDIO_ROUTING, &route);
route.input = audio_input;
- return cx18_i2c_hw(cx, cx->card->hw_audio_ctrl,
+ err = cx18_i2c_hw(cx, cx->card->hw_audio_ctrl,
VIDIOC_INT_S_AUDIO_ROUTING, &route);
+ if (err)
+ return err;
+
+ val = read_reg(CX18_AUDIO_ENABLE) & ~0x30;
+ val |= (audio_input > CX18_AV_AUDIO_SERIAL2) ? 0x20 :
+ (audio_input << 4);
+ write_reg(val | 0xb00, CX18_AUDIO_ENABLE);
+ cx18_vapi(cx, CX18_APU_RESETAI, 1, 0);
+ return 0;
}
void cx18_audio_set_route(struct cx18 *cx, struct v4l2_routing *route)