cregit-Linux how code gets into the kernel

Release 4.7 sound/pci/echoaudio/indigoio_dsp.c

/****************************************************************************

   Copyright Echo Digital Audio Corporation (c) 1998 - 2004
   All rights reserved
   www.echoaudio.com

   This file is part of Echo Digital Audio's generic driver library.

   Echo Digital Audio's generic driver library 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.

   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.

   *************************************************************************

 Translation from C++ and adaptation for use in ALSA-Driver
 were made by Giuliano Pochini <pochini@shiny.it>

****************************************************************************/


static int set_vmixer_gain(struct echoaudio *chip, u16 output, u16 pipe,
			   int gain);
static int update_vmixer_level(struct echoaudio *chip);



static int init_hw(struct echoaudio *chip, u16 device_id, u16 subdevice_id) { int err; if (snd_BUG_ON((subdevice_id & 0xfff0) != INDIGO_IO)) return -ENODEV; if ((err = init_dsp_comm_page(chip))) { dev_err(chip->card->dev, "init_hw - could not initialize DSP comm page\n"); return err; } chip->device_id = device_id; chip->subdevice_id = subdevice_id; chip->bad_board = true; chip->dsp_code_to_load = FW_INDIGO_IO_DSP; /* Since this card has no ASIC, mark it as loaded so everything works OK */ chip->asic_loaded = true; chip->input_clock_types = ECHO_CLOCK_BIT_INTERNAL; if ((err = load_firmware(chip)) < 0) return err; chip->bad_board = false; return err; }

Contributors

PersonTokensPropCommitsCommitProp
giuliano pochinigiuliano pochini10280.95%125.00%
takashi iwaitakashi iwai1411.11%125.00%
sudip mukherjeesudip mukherjee75.56%125.00%
mark brownmark brown32.38%125.00%
Total126100.00%4100.00%


static int set_mixer_defaults(struct echoaudio *chip) { return init_line_levels(chip); }

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giuliano pochinigiuliano pochini17100.00%1100.00%
Total17100.00%1100.00%


static u32 detect_input_clocks(const struct echoaudio *chip) { return ECHO_CLOCK_BIT_INTERNAL; }

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giuliano pochinigiuliano pochini15100.00%1100.00%
Total15100.00%1100.00%

/* The IndigoIO has no ASIC. Just do nothing */
static int load_asic(struct echoaudio *chip) { return 0; }

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PersonTokensPropCommitsCommitProp
giuliano pochinigiuliano pochini14100.00%1100.00%
Total14100.00%1100.00%


static int set_sample_rate(struct echoaudio *chip, u32 rate) { if (wait_handshake(chip)) return -EIO; chip->sample_rate = rate; chip->comm_page->sample_rate = cpu_to_le32(rate); clear_handshake(chip); return send_vector(chip, DSP_VC_UPDATE_CLOCKS); }

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PersonTokensPropCommitsCommitProp
giuliano pochinigiuliano pochini55100.00%1100.00%
Total55100.00%1100.00%

/* This function routes the sound from a virtual channel to a real output */
static int set_vmixer_gain(struct echoaudio *chip, u16 output, u16 pipe, int gain) { int index; if (snd_BUG_ON(pipe >= num_pipes_out(chip) || output >= num_busses_out(chip))) return -EINVAL; if (wait_handshake(chip)) return -EIO; chip->vmixer_gain[output][pipe] = gain; index = output * num_pipes_out(chip) + pipe; chip->comm_page->vmixer[index] = gain; dev_dbg(chip->card->dev, "set_vmixer_gain: pipe %d, out %d = %d\n", pipe, output, gain); return 0; }

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PersonTokensPropCommitsCommitProp
giuliano pochinigiuliano pochini8072.07%133.33%
takashi iwaitakashi iwai2118.92%133.33%
sudip mukherjeesudip mukherjee109.01%133.33%
Total111100.00%3100.00%

/* Tell the DSP to read and update virtual mixer levels in comm page. */
static int update_vmixer_level(struct echoaudio *chip) { if (wait_handshake(chip)) return -EIO; clear_handshake(chip); return send_vector(chip, DSP_VC_SET_VMIXER_GAIN); }

Contributors

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giuliano pochinigiuliano pochini35100.00%1100.00%
Total35100.00%1100.00%


Overall Contributors

PersonTokensPropCommitsCommitProp
giuliano pochinigiuliano pochini35186.45%240.00%
takashi iwaitakashi iwai358.62%120.00%
sudip mukherjeesudip mukherjee174.19%120.00%
mark brownmark brown30.74%120.00%
Total406100.00%5100.00%
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