71 lines · c
1/************************************************************************2 3This file is part of Echo Digital Audio's generic driver library.4Copyright Echo Digital Audio Corporation (c) 1998 - 20055All rights reserved6www.echoaudio.com7 8This library is free software; you can redistribute it and/or9modify it under the terms of the GNU Lesser General Public10License as published by the Free Software Foundation; either11version 2.1 of the License, or (at your option) any later version.12 13This library is distributed in the hope that it will be useful,14but WITHOUT ANY WARRANTY; without even the implied warranty of15MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU16Lesser General Public License for more details.17 18You should have received a copy of the GNU Lesser General Public19License along with this library; if not, write to the Free Software20Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA21 22*************************************************************************23 24 Translation from C++ and adaptation for use in ALSA-Driver25 were made by Giuliano Pochini <pochini@shiny.it>26 27*************************************************************************/28 29static int update_vmixer_level(struct echoaudio *chip);30static int set_vmixer_gain(struct echoaudio *chip, u16 output,31 u16 pipe, int gain);32 33 34static int init_hw(struct echoaudio *chip, u16 device_id, u16 subdevice_id)35{36 int err;37 38 if (snd_BUG_ON((subdevice_id & 0xfff0) != INDIGO_IOX))39 return -ENODEV;40 41 err = init_dsp_comm_page(chip);42 if (err < 0) {43 dev_err(chip->card->dev,44 "init_hw - could not initialize DSP comm page\n");45 return err;46 }47 48 chip->device_id = device_id;49 chip->subdevice_id = subdevice_id;50 chip->bad_board = true;51 chip->dsp_code_to_load = FW_INDIGO_IOX_DSP;52 /* Since this card has no ASIC, mark it as loaded so everything53 works OK */54 chip->asic_loaded = true;55 chip->input_clock_types = ECHO_CLOCK_BIT_INTERNAL;56 57 err = load_firmware(chip);58 if (err < 0)59 return err;60 chip->bad_board = false;61 62 return err;63}64 65 66 67static int set_mixer_defaults(struct echoaudio *chip)68{69 return init_line_levels(chip);70}71