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path: root/drivers/media/video/cx18/cx18-audio.c
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Diffstat (limited to 'drivers/media/video/cx18/cx18-audio.c')
-rw-r--r--drivers/media/video/cx18/cx18-audio.c52
1 files changed, 14 insertions, 38 deletions
diff --git a/drivers/media/video/cx18/cx18-audio.c b/drivers/media/video/cx18/cx18-audio.c
index 57beddf0af4d..bb5c5165dd5f 100644
--- a/drivers/media/video/cx18/cx18-audio.c
+++ b/drivers/media/video/cx18/cx18-audio.c
@@ -23,7 +23,6 @@
#include "cx18-driver.h"
#include "cx18-io.h"
-#include "cx18-i2c.h"
#include "cx18-cards.h"
#include "cx18-audio.h"
@@ -33,55 +32,32 @@
settings. */
int cx18_audio_set_io(struct cx18 *cx)
{
+ const struct cx18_card_audio_input *in;
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)) {
- audio_input = cx->card->radio_input.audio_input;
- mux_input = cx->card->radio_input.muxer_input;
- } else {
- audio_input =
- cx->card->audio_inputs[cx->audio_input].audio_input;
- mux_input =
- cx->card->audio_inputs[cx->audio_input].muxer_input;
- }
+ if (test_bit(CX18_F_I_RADIO_USER, &cx->i_flags))
+ in = &cx->card->radio_input;
+ else
+ in = &cx->card->audio_inputs[cx->audio_input];
/* handle muxer chips */
- route.input = mux_input;
+ route.input = in->muxer_input;
route.output = 0;
- cx18_i2c_hw(cx, cx->card->hw_muxer, VIDIOC_INT_S_AUDIO_ROUTING, &route);
+ v4l2_subdev_call(cx->sd_extmux, audio, s_routing, &route);
- route.input = audio_input;
- err = cx18_i2c_hw(cx, cx->card->hw_audio_ctrl,
- VIDIOC_INT_S_AUDIO_ROUTING, &route);
+ route.input = in->audio_input;
+ err = cx18_call_hw_err(cx, cx->card->hw_audio_ctrl,
+ audio, s_routing, &route);
if (err)
return err;
+ /* FIXME - this internal mux should be abstracted to a subdev */
val = cx18_read_reg(cx, CX18_AUDIO_ENABLE) & ~0x30;
- val |= (audio_input > CX18_AV_AUDIO_SERIAL2) ? 0x20 :
- (audio_input << 4);
- cx18_write_reg(cx, val | 0xb00, CX18_AUDIO_ENABLE);
- cx18_vapi(cx, CX18_APU_RESETAI, 1, 0);
+ val |= (in->audio_input > CX18_AV_AUDIO_SERIAL2) ? 0x20 :
+ (in->audio_input << 4);
+ cx18_write_reg_expect(cx, val | 0xb00, CX18_AUDIO_ENABLE, val, 0x30);
return 0;
}
-
-void cx18_audio_set_route(struct cx18 *cx, struct v4l2_routing *route)
-{
- cx18_i2c_hw(cx, cx->card->hw_audio_ctrl,
- VIDIOC_INT_S_AUDIO_ROUTING, route);
-}
-
-void cx18_audio_set_audio_clock_freq(struct cx18 *cx, u8 freq)
-{
- static u32 freqs[3] = { 44100, 48000, 32000 };
-
- /* The audio clock of the digitizer must match the codec sample
- rate otherwise you get some very strange effects. */
- if (freq > 2)
- return;
- cx18_call_i2c_clients(cx, VIDIOC_INT_AUDIO_CLOCK_FREQ, &freqs[freq]);
-}