92ab9baee3
A late v4l2_subdev framework change accidentally sent the audio input routing value to the external multiplexer, instead of the muxer input routing value to the external multiplexer. This change corrects that error. Signed-off-by: Andy Walls <awalls@radix.net> Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
61 lines
1.8 KiB
C
61 lines
1.8 KiB
C
/*
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* cx18 audio-related functions
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*
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* Derived from ivtv-audio.c
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*
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* Copyright (C) 2007 Hans Verkuil <hverkuil@xs4all.nl>
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 2 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software
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* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
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* 02111-1307 USA
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*/
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#include "cx18-driver.h"
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#include "cx18-io.h"
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#include "cx18-cards.h"
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#include "cx18-audio.h"
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#define CX18_AUDIO_ENABLE 0xc72014
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/* Selects the audio input and output according to the current
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settings. */
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int cx18_audio_set_io(struct cx18 *cx)
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{
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const struct cx18_card_audio_input *in;
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u32 val;
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int err;
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/* Determine which input to use */
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if (test_bit(CX18_F_I_RADIO_USER, &cx->i_flags))
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in = &cx->card->radio_input;
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else
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in = &cx->card->audio_inputs[cx->audio_input];
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/* handle muxer chips */
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v4l2_subdev_call(cx->sd_extmux, audio, s_routing,
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(u32) in->muxer_input, 0, 0);
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err = cx18_call_hw_err(cx, cx->card->hw_audio_ctrl,
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audio, s_routing, in->audio_input, 0, 0);
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if (err)
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return err;
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/* FIXME - this internal mux should be abstracted to a subdev */
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val = cx18_read_reg(cx, CX18_AUDIO_ENABLE) & ~0x30;
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val |= (in->audio_input > CX18_AV_AUDIO_SERIAL2) ? 0x20 :
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(in->audio_input << 4);
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cx18_write_reg_expect(cx, val | 0xb00, CX18_AUDIO_ENABLE, val, 0x30);
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return 0;
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}
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