diff options
Diffstat (limited to 'drivers/media/video/cx18/cx18-audio.c')
| -rw-r--r-- | drivers/media/video/cx18/cx18-audio.c | 87 |
1 files changed, 0 insertions, 87 deletions
diff --git a/drivers/media/video/cx18/cx18-audio.c b/drivers/media/video/cx18/cx18-audio.c deleted file mode 100644 index 57beddf0af4..00000000000 --- a/drivers/media/video/cx18/cx18-audio.c +++ /dev/null @@ -1,87 +0,0 @@ -/* - * cx18 audio-related functions - * - * Derived from ivtv-audio.c - * - * Copyright (C) 2007 Hans Verkuil <hverkuil@xs4all.nl> - * - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License as published by - * the Free Software Foundation; either version 2 of the License, or - * (at your option) any later version. - * - * This program is distributed in the hope that it will be useful, - * but WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - * GNU General Public License for more details. - * - * You should have received a copy of the GNU General Public License - * along with this program; if not, write to the Free Software - * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA - * 02111-1307 USA - */ - -#include "cx18-driver.h" -#include "cx18-io.h" -#include "cx18-i2c.h" -#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)) { - 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; - } - - /* handle muxer chips */ - route.input = mux_input; - route.output = 0; - cx18_i2c_hw(cx, cx->card->hw_muxer, VIDIOC_INT_S_AUDIO_ROUTING, &route); - - route.input = audio_input; - err = cx18_i2c_hw(cx, cx->card->hw_audio_ctrl, - VIDIOC_INT_S_AUDIO_ROUTING, &route); - if (err) - return err; - - 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); - 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]); -} |
