diff options
Diffstat (limited to 'drivers/media/video/cx18/cx18-audio.c')
-rw-r--r-- | drivers/media/video/cx18/cx18-audio.c | 52 |
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 57beddf0af4..bb5c5165dd5 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]); -} |