mirror of https://gitee.com/openkylin/linux.git
71 lines
2.1 KiB
C
71 lines
2.1 KiB
C
/************************************************************************
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This file is part of Echo Digital Audio's generic driver library.
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Copyright Echo Digital Audio Corporation (c) 1998 - 2005
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All rights reserved
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www.echoaudio.com
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This library is free software; you can redistribute it and/or
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modify it under the terms of the GNU Lesser General Public
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License as published by the Free Software Foundation; either
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version 2.1 of the License, or (at your option) any later version.
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This library 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 GNU
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Lesser General Public License for more details.
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You should have received a copy of the GNU Lesser General Public
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License along with this library; if not, write to the Free Software
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Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
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*************************************************************************
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Translation from C++ and adaptation for use in ALSA-Driver
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were made by Giuliano Pochini <pochini@shiny.it>
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*************************************************************************/
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static int update_vmixer_level(struct echoaudio *chip);
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static int set_vmixer_gain(struct echoaudio *chip, u16 output,
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u16 pipe, int gain);
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static int init_hw(struct echoaudio *chip, u16 device_id, u16 subdevice_id)
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{
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int err;
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if (snd_BUG_ON((subdevice_id & 0xfff0) != INDIGO_IOX))
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return -ENODEV;
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err = init_dsp_comm_page(chip);
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if (err < 0) {
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dev_err(chip->card->dev,
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"init_hw - could not initialize DSP comm page\n");
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return err;
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}
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chip->device_id = device_id;
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chip->subdevice_id = subdevice_id;
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chip->bad_board = true;
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chip->dsp_code_to_load = FW_INDIGO_IOX_DSP;
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/* Since this card has no ASIC, mark it as loaded so everything
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works OK */
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chip->asic_loaded = true;
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chip->input_clock_types = ECHO_CLOCK_BIT_INTERNAL;
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err = load_firmware(chip);
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if (err < 0)
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return err;
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chip->bad_board = false;
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return err;
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}
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static int set_mixer_defaults(struct echoaudio *chip)
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{
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return init_line_levels(chip);
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}
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