Release 4.7 sound/isa/ad1816a/ad1816a_lib.c

Directory: sound/isa/ad1816a
/*
    ad1816a.c - lowlevel code for Analog Devices AD1816A chip.
    Copyright (C) 1999-2000 by Massimo Piccioni <dafastidio@libero.it>

    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 <linux/delay.h>
#include <linux/init.h>
#include <linux/interrupt.h>
#include <linux/slab.h>
#include <linux/ioport.h>
#include <linux/io.h>
#include <sound/core.h>
#include <sound/tlv.h>
#include <sound/ad1816a.h>

#include <asm/dma.h>



static inline int snd_ad1816a_busy_wait(struct snd_ad1816a *chip)
{
	int timeout;

	for (timeout = 1000; timeout-- > 0; udelay(10))
		if (inb(AD1816A_REG(AD1816A_CHIP_STATUS)) & AD1816A_READY)
			return 0;

	snd_printk(KERN_WARNING "chip busy.\n");
	return -EBUSY;
}

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static inline unsigned char snd_ad1816a_in(struct snd_ad1816a *chip, unsigned char reg)
{
	snd_ad1816a_busy_wait(chip);
	return inb(AD1816A_REG(reg));
}

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static inline void snd_ad1816a_out(struct snd_ad1816a *chip, unsigned char reg,
			    unsigned char value)
{
	snd_ad1816a_busy_wait(chip);
	outb(value, AD1816A_REG(reg));
}

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static inline void snd_ad1816a_out_mask(struct snd_ad1816a *chip, unsigned char reg,
				 unsigned char mask, unsigned char value)
{
	snd_ad1816a_out(chip, reg,
		(value & mask) | (snd_ad1816a_in(chip, reg) & ~mask));
}

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static unsigned short snd_ad1816a_read(struct snd_ad1816a *chip, unsigned char reg)
{
	snd_ad1816a_out(chip, AD1816A_INDIR_ADDR, reg & 0x3f);
	return snd_ad1816a_in(chip, AD1816A_INDIR_DATA_LOW) |
		(snd_ad1816a_in(chip, AD1816A_INDIR_DATA_HIGH) << 8);
}

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static void snd_ad1816a_write(struct snd_ad1816a *chip, unsigned char reg,
			      unsigned short value)
{
	snd_ad1816a_out(chip, AD1816A_INDIR_ADDR, reg & 0x3f);
	snd_ad1816a_out(chip, AD1816A_INDIR_DATA_LOW, value & 0xff);
	snd_ad1816a_out(chip, AD1816A_INDIR_DATA_HIGH, (value >> 8) & 0xff);
}

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static void snd_ad1816a_write_mask(struct snd_ad1816a *chip, unsigned char reg,
				   unsigned short mask, unsigned short value)
{
	snd_ad1816a_write(chip, reg,
		(value & mask) | (snd_ad1816a_read(chip, reg) & ~mask));
}


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static unsigned char snd_ad1816a_get_format(struct snd_ad1816a *chip,
					    unsigned int format, int channels)
{
	unsigned char retval = AD1816A_FMT_LINEAR_8;

	switch (format) {
	case SNDRV_PCM_FORMAT_MU_LAW:
		retval = AD1816A_FMT_ULAW_8;
		break;
	case SNDRV_PCM_FORMAT_A_LAW:
		retval = AD1816A_FMT_ALAW_8;
		break;
	case SNDRV_PCM_FORMAT_S16_LE:
		retval = AD1816A_FMT_LINEAR_16_LIT;
		break;
	case SNDRV_PCM_FORMAT_S16_BE:
		retval = AD1816A_FMT_LINEAR_16_BIG;
	}
	return (channels > 1) ? (retval | AD1816A_FMT_STEREO) : retval;
}

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static int snd_ad1816a_open(struct snd_ad1816a *chip, unsigned int mode)
{
	unsigned long flags;

	spin_lock_irqsave(&chip->lock, flags);

	if (chip->mode & mode) {
		spin_unlock_irqrestore(&chip->lock, flags);
		return -EAGAIN;
	}

	switch ((mode &= AD1816A_MODE_OPEN)) {
	case AD1816A_MODE_PLAYBACK:
		snd_ad1816a_out_mask(chip, AD1816A_INTERRUPT_STATUS,
			AD1816A_PLAYBACK_IRQ_PENDING, 0x00);
		snd_ad1816a_write_mask(chip, AD1816A_INTERRUPT_ENABLE,
			AD1816A_PLAYBACK_IRQ_ENABLE, 0xffff);
		break;
	case AD1816A_MODE_CAPTURE:
		snd_ad1816a_out_mask(chip, AD1816A_INTERRUPT_STATUS,
			AD1816A_CAPTURE_IRQ_PENDING, 0x00);
		snd_ad1816a_write_mask(chip, AD1816A_INTERRUPT_ENABLE,
			AD1816A_CAPTURE_IRQ_ENABLE, 0xffff);
		break;
	case AD1816A_MODE_TIMER:
		snd_ad1816a_out_mask(chip, AD1816A_INTERRUPT_STATUS,
			AD1816A_TIMER_IRQ_PENDING, 0x00);
		snd_ad1816a_write_mask(chip, AD1816A_INTERRUPT_ENABLE,
			AD1816A_TIMER_IRQ_ENABLE, 0xffff);
	}
	chip->mode |= mode;

	spin_unlock_irqrestore(&chip->lock, flags);
	return 0;
}

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static void snd_ad1816a_close(struct snd_ad1816a *chip, unsigned int mode)
{
	unsigned long flags;

	spin_lock_irqsave(&chip->lock, flags);

	switch ((mode &= AD1816A_MODE_OPEN)) {
	case AD1816A_MODE_PLAYBACK:
		snd_ad1816a_out_mask(chip, AD1816A_INTERRUPT_STATUS,
			AD1816A_PLAYBACK_IRQ_PENDING, 0x00);
		snd_ad1816a_write_mask(chip, AD1816A_INTERRUPT_ENABLE,
			AD1816A_PLAYBACK_IRQ_ENABLE, 0x0000);
		break;
	case AD1816A_MODE_CAPTURE:
		snd_ad1816a_out_mask(chip, AD1816A_INTERRUPT_STATUS,
			AD1816A_CAPTURE_IRQ_PENDING, 0x00);
		snd_ad1816a_write_mask(chip, AD1816A_INTERRUPT_ENABLE,
			AD1816A_CAPTURE_IRQ_ENABLE, 0x0000);
		break;
	case AD1816A_MODE_TIMER:
		snd_ad1816a_out_mask(chip, AD1816A_INTERRUPT_STATUS,
			AD1816A_TIMER_IRQ_PENDING, 0x00);
		snd_ad1816a_write_mask(chip, AD1816A_INTERRUPT_ENABLE,
			AD1816A_TIMER_IRQ_ENABLE, 0x0000);
	}
	if (!((chip->mode &= ~mode) & AD1816A_MODE_OPEN))
		chip->mode = 0;

	spin_unlock_irqrestore(&chip->lock, flags);
}


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static int snd_ad1816a_trigger(struct snd_ad1816a *chip, unsigned char what,
			       int channel, int cmd, int iscapture)
{
	int error = 0;

	switch (cmd) {
	case SNDRV_PCM_TRIGGER_START:
	case SNDRV_PCM_TRIGGER_STOP:
		spin_lock(&chip->lock);
		cmd = (cmd == SNDRV_PCM_TRIGGER_START) ? 0xff: 0x00;
		/* if (what & AD1816A_PLAYBACK_ENABLE) */
		/* That is not valid, because playback and capture enable
                 * are the same bit pattern, just to different addresses
                 */
		if (! iscapture)
			snd_ad1816a_out_mask(chip, AD1816A_PLAYBACK_CONFIG,
				AD1816A_PLAYBACK_ENABLE, cmd);
		else
			snd_ad1816a_out_mask(chip, AD1816A_CAPTURE_CONFIG,
				AD1816A_CAPTURE_ENABLE, cmd);
		spin_unlock(&chip->lock);
		break;
	default:
		snd_printk(KERN_WARNING "invalid trigger mode 0x%x.\n", what);
		error = -EINVAL;
	}

	return error;
}

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static int snd_ad1816a_playback_trigger(struct snd_pcm_substream *substream, int cmd)
{
	struct snd_ad1816a *chip = snd_pcm_substream_chip(substream);
	return snd_ad1816a_trigger(chip, AD1816A_PLAYBACK_ENABLE,
				   SNDRV_PCM_STREAM_PLAYBACK, cmd, 0);
}

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static int snd_ad1816a_capture_trigger(struct snd_pcm_substream *substream, int cmd)
{
	struct snd_ad1816a *chip = snd_pcm_substream_chip(substream);
	return snd_ad1816a_trigger(chip, AD1816A_CAPTURE_ENABLE,
				   SNDRV_PCM_STREAM_CAPTURE, cmd, 1);
}

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static int snd_ad1816a_hw_params(struct snd_pcm_substream *substream,
				 struct snd_pcm_hw_params *hw_params)
{
	return snd_pcm_lib_malloc_pages(substream, params_buffer_bytes(hw_params));
}

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static int snd_ad1816a_hw_free(struct snd_pcm_substream *substream)
{
	return snd_pcm_lib_free_pages(substream);
}

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static int snd_ad1816a_playback_prepare(struct snd_pcm_substream *substream)
{
	struct snd_ad1816a *chip = snd_pcm_substream_chip(substream);
	unsigned long flags;
	struct snd_pcm_runtime *runtime = substream->runtime;
	unsigned int size, rate;

	spin_lock_irqsave(&chip->lock, flags);

	chip->p_dma_size = size = snd_pcm_lib_buffer_bytes(substream);
	snd_ad1816a_out_mask(chip, AD1816A_PLAYBACK_CONFIG,
		AD1816A_PLAYBACK_ENABLE | AD1816A_PLAYBACK_PIO, 0x00);

	snd_dma_program(chip->dma1, runtime->dma_addr, size,
			DMA_MODE_WRITE | DMA_AUTOINIT);

	rate = runtime->rate;
	if (chip->clock_freq)
		rate = (rate * 33000) / chip->clock_freq;
	snd_ad1816a_write(chip, AD1816A_PLAYBACK_SAMPLE_RATE, rate);
	snd_ad1816a_out_mask(chip, AD1816A_PLAYBACK_CONFIG,
		AD1816A_FMT_ALL | AD1816A_FMT_STEREO,
		snd_ad1816a_get_format(chip, runtime->format,
			runtime->channels));

	snd_ad1816a_write(chip, AD1816A_PLAYBACK_BASE_COUNT,
		snd_pcm_lib_period_bytes(substream) / 4 - 1);

	spin_unlock_irqrestore(&chip->lock, flags);
	return 0;
}

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static int snd_ad1816a_capture_prepare(struct snd_pcm_substream *substream)
{
	struct snd_ad1816a *chip = snd_pcm_substream_chip(substream);
	unsigned long flags;
	struct snd_pcm_runtime *runtime = substream->runtime;
	unsigned int size, rate;

	spin_lock_irqsave(&chip->lock, flags);

	chip->c_dma_size = size = snd_pcm_lib_buffer_bytes(substream);
	snd_ad1816a_out_mask(chip, AD1816A_CAPTURE_CONFIG,
		AD1816A_CAPTURE_ENABLE | AD1816A_CAPTURE_PIO, 0x00);

	snd_dma_program(chip->dma2, runtime->dma_addr, size,
			DMA_MODE_READ | DMA_AUTOINIT);

	rate = runtime->rate;
	if (chip->clock_freq)
		rate = (rate * 33000) / chip->clock_freq;
	snd_ad1816a_write(chip, AD1816A_CAPTURE_SAMPLE_RATE, rate);
	snd_ad1816a_out_mask(chip, AD1816A_CAPTURE_CONFIG,
		AD1816A_FMT_ALL | AD1816A_FMT_STEREO,
		snd_ad1816a_get_format(chip, runtime->format,
			runtime->channels));

	snd_ad1816a_write(chip, AD1816A_CAPTURE_BASE_COUNT,
		snd_pcm_lib_period_bytes(substream) / 4 - 1);

	spin_unlock_irqrestore(&chip->lock, flags);
	return 0;
}


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static snd_pcm_uframes_t snd_ad1816a_playback_pointer(struct snd_pcm_substream *substream)
{
	struct snd_ad1816a *chip = snd_pcm_substream_chip(substream);
	size_t ptr;
	if (!(chip->mode & AD1816A_MODE_PLAYBACK))
		return 0;
	ptr = snd_dma_pointer(chip->dma1, chip->p_dma_size);
	return bytes_to_frames(substream->runtime, ptr);
}

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static snd_pcm_uframes_t snd_ad1816a_capture_pointer(struct snd_pcm_substream *substream)
{
	struct snd_ad1816a *chip = snd_pcm_substream_chip(substream);
	size_t ptr;
	if (!(chip->mode & AD1816A_MODE_CAPTURE))
		return 0;
	ptr = snd_dma_pointer(chip->dma2, chip->c_dma_size);
	return bytes_to_frames(substream->runtime, ptr);
}


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static irqreturn_t snd_ad1816a_interrupt(int irq, void *dev_id)
{
	struct snd_ad1816a *chip = dev_id;
	unsigned char status;

	spin_lock(&chip->lock);
	status = snd_ad1816a_in(chip, AD1816A_INTERRUPT_STATUS);
	spin_unlock(&chip->lock);

	if ((status & AD1816A_PLAYBACK_IRQ_PENDING) && chip->playback_substream)
		snd_pcm_period_elapsed(chip->playback_substream);

	if ((status & AD1816A_CAPTURE_IRQ_PENDING) && chip->capture_substream)
		snd_pcm_period_elapsed(chip->capture_substream);

	if ((status & AD1816A_TIMER_IRQ_PENDING) && chip->timer)
		snd_timer_interrupt(chip->timer, chip->timer->sticks);

	spin_lock(&chip->lock);
	snd_ad1816a_out(chip, AD1816A_INTERRUPT_STATUS, 0x00);
	spin_unlock(&chip->lock);
	return IRQ_HANDLED;
}


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static struct snd_pcm_hardware snd_ad1816a_playback = {
	.info =			(SNDRV_PCM_INFO_MMAP | SNDRV_PCM_INFO_INTERLEAVED |
				 SNDRV_PCM_INFO_MMAP_VALID),
	.formats =		(SNDRV_PCM_FMTBIT_MU_LAW | SNDRV_PCM_FMTBIT_A_LAW |
				 SNDRV_PCM_FMTBIT_U8 | SNDRV_PCM_FMTBIT_S16_LE |
				 SNDRV_PCM_FMTBIT_S16_BE),
	.rates =		SNDRV_PCM_RATE_CONTINUOUS | SNDRV_PCM_RATE_8000_48000,
	.rate_min =		4000,
	.rate_max =		55200,
	.channels_min =		1,
	.channels_max =		2,
	.buffer_bytes_max =	(128*1024),
	.period_bytes_min =	64,
	.period_bytes_max =	(128*1024),
	.periods_min =		1,
	.periods_max =		1024,
	.fifo_size =		0,
};


static struct snd_pcm_hardware snd_ad1816a_capture = {
	.info =			(SNDRV_PCM_INFO_MMAP | SNDRV_PCM_INFO_INTERLEAVED |
				 SNDRV_PCM_INFO_MMAP_VALID),
	.formats =		(SNDRV_PCM_FMTBIT_MU_LAW | SNDRV_PCM_FMTBIT_A_LAW |
				 SNDRV_PCM_FMTBIT_U8 | SNDRV_PCM_FMTBIT_S16_LE |
				 SNDRV_PCM_FMTBIT_S16_BE),
	.rates =		SNDRV_PCM_RATE_CONTINUOUS | SNDRV_PCM_RATE_8000_48000,
	.rate_min =		4000,
	.rate_max =		55200,
	.channels_min =		1,
	.channels_max =		2,
	.buffer_bytes_max =	(128*1024),
	.period_bytes_min =	64,
	.period_bytes_max =	(128*1024),
	.periods_min =		1,
	.periods_max =		1024,
	.fifo_size =		0,
};



static int snd_ad1816a_timer_close(struct snd_timer *timer)
{
	struct snd_ad1816a *chip = snd_timer_chip(timer);
	snd_ad1816a_close(chip, AD1816A_MODE_TIMER);
	return 0;
}

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static int snd_ad1816a_timer_open(struct snd_timer *timer)
{
	struct snd_ad1816a *chip = snd_timer_chip(timer);
	snd_ad1816a_open(chip, AD1816A_MODE_TIMER);
	return 0;
}

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static unsigned long snd_ad1816a_timer_resolution(struct snd_timer *timer)
{
	if (snd_BUG_ON(!timer))
		return 0;

	return 10000;
}

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static int snd_ad1816a_timer_start(struct snd_timer *timer)
{
	unsigned short bits;
	unsigned long flags;
	struct snd_ad1816a *chip = snd_timer_chip(timer);
	spin_lock_irqsave(&chip->lock, flags);
	bits = snd_ad1816a_read(chip, AD1816A_INTERRUPT_ENABLE);

	if (!(bits & AD1816A_TIMER_ENABLE)) {
		snd_ad1816a_write(chip, AD1816A_TIMER_BASE_COUNT,
			timer->sticks & 0xffff);

		snd_ad1816a_write_mask(chip, AD1816A_INTERRUPT_ENABLE,
			AD1816A_TIMER_ENABLE, 0xffff);
	}
	spin_unlock_irqrestore(&chip->lock, flags);
	return 0;
}

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static int snd_ad1816a_timer_stop(struct snd_timer *timer)
{
	unsigned long flags;
	struct snd_ad1816a *chip = snd_timer_chip(timer);
	spin_lock_irqsave(&chip->lock, flags);

	snd_ad1816a_write_mask(chip, AD1816A_INTERRUPT_ENABLE,
		AD1816A_TIMER_ENABLE, 0x0000);

	spin_unlock_irqrestore(&chip->lock, flags);
	return 0;
}

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static struct snd_timer_hardware snd_ad1816a_timer_table = {
	.flags =	SNDRV_TIMER_HW_AUTO,
	.resolution =	10000,
	.ticks =	65535,
	.open =		snd_ad1816a_timer_open,
	.close =	snd_ad1816a_timer_close,
	.c_resolution =	snd_ad1816a_timer_resolution,
	.start =	snd_ad1816a_timer_start,
	.stop =		snd_ad1816a_timer_stop,
};



static int snd_ad1816a_playback_open(struct snd_pcm_substream *substream)
{
	struct snd_ad1816a *chip = snd_pcm_substream_chip(substream);
	struct snd_pcm_runtime *runtime = substream->runtime;
	int error;

	if ((error = snd_ad1816a_open(chip, AD1816A_MODE_PLAYBACK)) < 0)
		return error;
	runtime->hw = snd_ad1816a_playback;
	snd_pcm_limit_isa_dma_size(chip->dma1, &runtime->hw.buffer_bytes_max);
	snd_pcm_limit_isa_dma_size(chip->dma1, &runtime->hw.period_bytes_max);
	chip->playback_substream = substream;
	return 0;
}

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static int snd_ad1816a_capture_open(struct snd_pcm_substream *substream)
{
	struct snd_ad1816a *chip = snd_pcm_substream_chip(substream);
	struct snd_pcm_runtime *runtime = substream->runtime;
	int error;

	if ((error = snd_ad1816a_open(chip, AD1816A_MODE_CAPTURE)) < 0)
		return error;
	runtime->hw = snd_ad1816a_capture;
	snd_pcm_limit_isa_dma_size(chip->dma2, &runtime->hw.buffer_bytes_max);
	snd_pcm_limit_isa_dma_size(chip->dma2, &runtime->hw.period_bytes_max);
	chip->capture_substream = substream;
	return 0;
}

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jaroslav kysela jaroslav kysela 88 93.62% 2 66.67%
takashi iwai takashi iwai 6 6.38% 1 33.33%
Total 94 100.00% 3 100.00%



static int snd_ad1816a_playback_close(struct snd_pcm_substream *substream)
{
	struct snd_ad1816a *chip = snd_pcm_substream_chip(substream);

	chip->playback_substream = NULL;
	snd_ad1816a_close(chip, AD1816A_MODE_PLAYBACK);
	return 0;
}

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jaroslav kysela jaroslav kysela 33 89.19% 1 50.00%
takashi iwai takashi iwai 4 10.81% 1 50.00%
Total 37 100.00% 2 100.00%



static int snd_ad1816a_capture_close(struct snd_pcm_substream *substream)
{
	struct snd_ad1816a *chip = snd_pcm_substream_chip(substream);

	chip->capture_substream = NULL;
	snd_ad1816a_close(chip, AD1816A_MODE_CAPTURE);
	return 0;
}


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takashi iwai takashi iwai 4 10.81% 1 50.00%
Total 37 100.00% 2 100.00%



static void snd_ad1816a_init(struct snd_ad1816a *chip)
{
	unsigned long flags;

	spin_lock_irqsave(&chip->lock, flags);

	snd_ad1816a_out(chip, AD1816A_INTERRUPT_STATUS, 0x00);
	snd_ad1816a_out_mask(chip, AD1816A_PLAYBACK_CONFIG,
		AD1816A_PLAYBACK_ENABLE | AD1816A_PLAYBACK_PIO, 0x00);
	snd_ad1816a_out_mask(chip, AD1816A_CAPTURE_CONFIG,
		AD1816A_CAPTURE_ENABLE | AD1816A_CAPTURE_PIO, 0x00);
	snd_ad1816a_write(chip, AD1816A_INTERRUPT_ENABLE, 0x0000);
	snd_ad1816a_write_mask(chip, AD1816A_CHIP_CONFIG,
		AD1816A_CAPTURE_NOT_EQUAL | AD1816A_WSS_ENABLE, 0xffff);
	snd_ad1816a_write(chip, AD1816A_DSP_CONFIG, 0x0000);
	snd_ad1816a_write(chip, AD1816A_POWERDOWN_CTRL, 0x0000);

	spin_unlock_irqrestore(&chip->lock, flags);
}

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takashi iwai takashi iwai 2 1.82% 1 50.00%
Total 110 100.00% 2 100.00%

#ifdef CONFIG_PM


void snd_ad1816a_suspend(struct snd_ad1816a *chip)
{
	int reg;
	unsigned long flags;

	snd_pcm_suspend_all(chip->pcm);
	spin_lock_irqsave(&chip->lock, flags);
	for (reg = 0; reg < 48; reg++)
		chip->image[reg] = snd_ad1816a_read(chip, reg);
	spin_unlock_irqrestore(&chip->lock, flags);
}

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Total 71 100.00% 1 100.00%



void snd_ad1816a_resume(struct snd_ad1816a *chip)
{
	int reg;
	unsigned long flags;

	snd_ad1816a_init(chip);
	spin_lock_irqsave(&chip->lock, flags);
	for (reg = 0; reg < 48; reg++)
		snd_ad1816a_write(chip, reg, chip->image[reg]);
	spin_unlock_irqrestore(&chip->lock, flags);
}
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Total 69 100.00% 1 100.00%

#endif



static int snd_ad1816a_probe(struct snd_ad1816a *chip)
{
	unsigned long flags;

	spin_lock_irqsave(&chip->lock, flags);

	switch (chip->version = snd_ad1816a_read(chip, AD1816A_VERSION_ID)) {
	case 0:
		chip->hardware = AD1816A_HW_AD1815;
		break;
	case 1:
		chip->hardware = AD1816A_HW_AD18MAX10;
		break;
	case 3:
		chip->hardware = AD1816A_HW_AD1816A;
		break;
	default:
		chip->hardware = AD1816A_HW_AUTO;
	}

	spin_unlock_irqrestore(&chip->lock, flags);
	return 0;
}

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takashi iwai takashi iwai 2 2.22% 1 50.00%
Total 90 100.00% 2 100.00%



static int snd_ad1816a_free(struct snd_ad1816a *chip)
{
	release_and_free_resource(chip->res_port);
	if (chip->irq >= 0)
		free_irq(chip->irq, (void *) chip);
	if (chip->dma1 >= 0) {
		snd_dma_disable(chip->dma1);
		free_dma(chip->dma1);
	}
	if (chip->dma2 >= 0) {
		snd_dma_disable(chip->dma2);
		free_dma(chip->dma2);
	}
	return 0;
}

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takashi iwai takashi iwai 3 3.33% 2 66.67%
Total 90 100.00% 3 100.00%



static int snd_ad1816a_dev_free(struct snd_device *device)
{
	struct snd_ad1816a *chip = device->device_data;
	return snd_ad1816a_free(chip);
}

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takashi iwai takashi iwai 4 15.38% 1 33.33%
Total 26 100.00% 3 100.00%



static const char *snd_ad1816a_chip_id(struct snd_ad1816a *chip)
{
	switch (chip->hardware) {
	case AD1816A_HW_AD1816A: return "AD1816A";
	case AD1816A_HW_AD1815:	return "AD1815";
	case AD1816A_HW_AD18MAX10: return "AD18max10";
	default:
		snd_printk(KERN_WARNING "Unknown chip version %d:%d.\n",
			chip->version, chip->hardware);
		return "AD1816A - unknown";
	}
}

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int snd_ad1816a_create(struct snd_card *card,
		       unsigned long port, int irq, int dma1, int dma2,
		       struct snd_ad1816a *chip)
{
        static struct snd_device_ops ops = {
		.dev_free =	snd_ad1816a_dev_free,
        };
	int error;

	chip->irq = -1;
	chip->dma1 = -1;
	chip->dma2 = -1;

	if ((chip->res_port = request_region(port, 16, "AD1816A")) == NULL) {
		snd_printk(KERN_ERR "ad1816a: can't grab port 0x%lx\n", port);
		snd_ad1816a_free(chip);
		return -EBUSY;
	}
	if (request_irq(irq, snd_ad1816a_interrupt, 0, "AD1816A", (void *) chip)) {
		snd_printk(KERN_ERR "ad1816a: can't grab IRQ %d\n", irq);
		snd_ad1816a_free(chip);
		return -EBUSY;
	}
	chip->irq = irq;
	if (request_dma(dma1, "AD1816A - 1")) {
		snd_printk(KERN_ERR "ad1816a: can't grab DMA1 %d\n", dma1);
		snd_ad1816a_free(chip);
		return -EBUSY;
	}
	chip->dma1 = dma1;
	if (request_dma(dma2, "AD1816A - 2")) {
		snd_printk(KERN_ERR "ad1816a: can't grab DMA2 %d\n", dma2);
		snd_ad1816a_free(chip);
		return -EBUSY;
	}
	chip->dma2 = dma2;

	chip->card = card;
	chip->port = port;
	spin_lock_init(&chip->lock);

	if ((error = snd_ad1816a_probe(chip))) {
		snd_ad1816a_free(chip);
		return error;
	}

	snd_ad1816a_init(chip);

	/* Register device */
	if ((error = snd_device_new(card, SNDRV_DEV_LOWLEVEL, chip, &ops)) < 0) {
		snd_ad1816a_free(chip);
		return error;
	}

	return 0;
}

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takashi iwai takashi iwai 6 2.04% 1 16.67%
yong zhang yong zhang 1 0.34% 1 16.67%
ondrej zary ondrej zary 1 0.34% 1 16.67%
Total 294 100.00% 6 100.00%


static struct snd_pcm_ops snd_ad1816a_playback_ops = {
	.open =		snd_ad1816a_playback_open,
	.close =	snd_ad1816a_playback_close,
	.ioctl =	snd_pcm_lib_ioctl,
	.hw_params =	snd_ad1816a_hw_params,
	.hw_free =	snd_ad1816a_hw_free,
	.prepare =	snd_ad1816a_playback_prepare,
	.trigger =	snd_ad1816a_playback_trigger,
	.pointer =	snd_ad1816a_playback_pointer,
};


static struct snd_pcm_ops snd_ad1816a_capture_ops = {
	.open =		snd_ad1816a_capture_open,
	.close =	snd_ad1816a_capture_close,
	.ioctl =	snd_pcm_lib_ioctl,
	.hw_params =	snd_ad1816a_hw_params,
	.hw_free =	snd_ad1816a_hw_free,
	.prepare =	snd_ad1816a_capture_prepare,
	.trigger =	snd_ad1816a_capture_trigger,
	.pointer =	snd_ad1816a_capture_pointer,
};



int snd_ad1816a_pcm(struct snd_ad1816a *chip, int device)
{
	int error;
	struct snd_pcm *pcm;

	if ((error = snd_pcm_new(chip->card, "AD1816A", device, 1, 1, &pcm)))
		return error;

	snd_pcm_set_ops(pcm, SNDRV_PCM_STREAM_PLAYBACK, &snd_ad1816a_playback_ops);
	snd_pcm_set_ops(pcm, SNDRV_PCM_STREAM_CAPTURE, &snd_ad1816a_capture_ops);

	pcm->private_data = chip;
	pcm->info_flags = (chip->dma1 == chip->dma2 ) ? SNDRV_PCM_INFO_JOINT_DUPLEX : 0;

	strcpy(pcm->name, snd_ad1816a_chip_id(chip));
	snd_ad1816a_init(chip);

	snd_pcm_lib_preallocate_pages_for_all(pcm, SNDRV_DMA_TYPE_DEV,
					      snd_dma_isa_data(),
					      64*1024, chip->dma1 > 3 || chip->dma2 > 3 ? 128*1024 : 64*1024);

	chip->pcm = pcm;
	return 0;
}

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jaroslav kysela jaroslav kysela 148 97.37% 3 75.00%
takashi iwai takashi iwai 4 2.63% 1 25.00%
Total 152 100.00% 4 100.00%



int snd_ad1816a_timer(struct snd_ad1816a *chip, int device)
{
	struct snd_timer *timer;
	struct snd_timer_id tid;
	int error;

	tid.dev_class = SNDRV_TIMER_CLASS_CARD;
	tid.dev_sclass = SNDRV_TIMER_SCLASS_NONE;
	tid.card = chip->card->number;
	tid.device = device;
	tid.subdevice = 0;
	if ((error = snd_timer_new(chip->card, "AD1816A", &tid, &timer)) < 0)
		return error;
	strcpy(timer->name, snd_ad1816a_chip_id(chip));
	timer->private_data = chip;
	chip->timer = timer;
	timer->hw = snd_ad1816a_timer_table;
	return 0;
}

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krzysztof helt krzysztof helt 117 99.15% 1 50.00%
jaroslav kysela jaroslav kysela 1 0.85% 1 50.00%
Total 118 100.00% 2 100.00%

/*
 *
 */



static int snd_ad1816a_info_mux(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_info *uinfo)
{
	static const char * const texts[8] = {
		"Line", "Mix", "CD", "Synth", "Video",
		"Mic", "Phone",
        };

	return snd_ctl_enum_info(uinfo, 2, 7, texts);
}

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takashi iwai takashi iwai 11 20.37% 2 66.67%
Total 54 100.00% 3 100.00%



static int snd_ad1816a_get_mux(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol)
{
	struct snd_ad1816a *chip = snd_kcontrol_chip(kcontrol);
	unsigned long flags;
	unsigned short val;
	
	spin_lock_irqsave(&chip->lock, flags);
	val = snd_ad1816a_read(chip, AD1816A_ADC_SOURCE_SEL);
	spin_unlock_irqrestore(&chip->lock, flags);
	ucontrol->value.enumerated.item[0] = (val >> 12) & 7;
	ucontrol->value.enumerated.item[1] = (val >> 4) & 7;
	return 0;
}

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takashi iwai takashi iwai 6 5.77% 1 50.00%
Total 104 100.00% 2 100.00%



static int snd_ad1816a_put_mux(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol)
{
	struct snd_ad1816a *chip = snd_kcontrol_chip(kcontrol);
	unsigned long flags;
	unsigned short val;
	int change;
	
	if (ucontrol->value.enumerated.item[0] > 6 ||
	    ucontrol->value.enumerated.item[1] > 6)
		return -EINVAL;
	val = (ucontrol->value.enumerated.item[0] << 12) |
	      (ucontrol->value.enumerated.item[1] << 4);
	spin_lock_irqsave(&chip->lock, flags);
	change = snd_ad1816a_read(chip, AD1816A_ADC_SOURCE_SEL) != val;
	snd_ad1816a_write(chip, AD1816A_ADC_SOURCE_SEL, val);
	spin_unlock_irqrestore(&chip->lock, flags);
	return change;
}

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Total 144 100.00% 2 100.00%


#define AD1816A_SINGLE_TLV(xname, reg, shift, mask, invert, xtlv)	\
{ .iface = SNDRV_CTL_ELEM_IFACE_MIXER, \
  .access = SNDRV_CTL_ELEM_ACCESS_READWRITE | SNDRV_CTL_ELEM_ACCESS_TLV_READ, \
  .name = xname, .info = snd_ad1816a_info_single, \
  .get = snd_ad1816a_get_single, .put = snd_ad1816a_put_single, \
  .private_value = reg | (shift << 8) | (mask << 16) | (invert << 24), \
  .tlv = { .p = (xtlv) } }

#define AD1816A_SINGLE(xname, reg, shift, mask, invert) \
{ .iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = xname, .info = snd_ad1816a_info_single, \
  .get = snd_ad1816a_get_single, .put = snd_ad1816a_put_single, \
  .private_value = reg | (shift << 8) | (mask << 16) | (invert << 24) }



static int snd_ad1816a_info_single(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_info *uinfo)
{
	int mask = (kcontrol->private_value >> 16) & 0xff;

	uinfo->type = mask == 1 ? SNDRV_CTL_ELEM_TYPE_BOOLEAN : SNDRV_CTL_ELEM_TYPE_INTEGER;
	uinfo->count = 1;
	uinfo->value.integer.min = 0;
	uinfo->value.integer.max = mask;
	return 0;
}

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takashi iwai takashi iwai 4 5.71% 1 50.00%
Total 70 100.00% 2 100.00%



static int snd_ad1816a_get_single(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol)
{
	struct snd_ad1816a *chip = snd_kcontrol_chip(kcontrol);
	unsigned long flags;
	int reg = kcontrol->private_value & 0xff;
	int shift = (kcontrol->private_value >> 8) & 0xff;
	int mask = (kcontrol->private_value >> 16) & 0xff;
	int invert = (kcontrol->private_value >> 24) & 0xff;
	
	spin_lock_irqsave(&chip->lock, flags);
	ucontrol->value.integer.value[0] = (snd_ad1816a_read(chip, reg) >> shift) & mask;
	spin_unlock_irqrestore(&chip->lock, flags);
	if (invert)
		ucontrol->value.integer.value[0] = mask - ucontrol->value.integer.value[0];
	return 0;
}

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takashi iwai takashi iwai 6 3.92% 1 50.00%
Total 153 100.00% 2 100.00%



static int snd_ad1816a_put_single(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol)
{
	struct snd_ad1816a *chip = snd_kcontrol_chip(kcontrol);
	unsigned long flags;
	int reg = kcontrol->private_value & 0xff;
	int shift = (kcontrol->private_value >> 8) & 0xff;
	int mask = (kcontrol->private_value >> 16) & 0xff;
	int invert = (kcontrol->private_value >> 24) & 0xff;
	int change;
	unsigned short old_val, val;
	
	val = (ucontrol->value.integer.value[0] & mask);
	if (invert)
		val = mask - val;
	val <<= shift;
	spin_lock_irqsave(&chip->lock, flags);
	old_val = snd_ad1816a_read(chip, reg);
	val = (old_val & ~(mask << shift)) | val;
	change = val != old_val;
	snd_ad1816a_write(chip, reg, val);
	spin_unlock_irqrestore(&chip->lock, flags);
	return change;
}

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takashi iwai takashi iwai 6 3.33% 1 50.00%
Total 180 100.00% 2 100.00%


#define AD1816A_DOUBLE_TLV(xname, reg, shift_left, shift_right, mask, invert, xtlv) \
{ .iface = SNDRV_CTL_ELEM_IFACE_MIXER, \
  .access = SNDRV_CTL_ELEM_ACCESS_READWRITE | SNDRV_CTL_ELEM_ACCESS_TLV_READ, \
  .name = xname, .info = snd_ad1816a_info_double,               \
  .get = snd_ad1816a_get_double, .put = snd_ad1816a_put_double, \
  .private_value = reg | (shift_left << 8) | (shift_right << 12) | (mask << 16) | (invert << 24), \
  .tlv = { .p = (xtlv) } }


#define AD1816A_DOUBLE(xname, reg, shift_left, shift_right, mask, invert) \
{ .iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = xname, .info = snd_ad1816a_info_double, \
  .get = snd_ad1816a_get_double, .put = snd_ad1816a_put_double, \
  .private_value = reg | (shift_left << 8) | (shift_right << 12) | (mask << 16) | (invert << 24) }



static int snd_ad1816a_info_double(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_info *uinfo)
{
	int mask = (kcontrol->private_value >> 16) & 0xff;

	uinfo->type = mask == 1 ? SNDRV_CTL_ELEM_TYPE_BOOLEAN : SNDRV_CTL_ELEM_TYPE_INTEGER;
	uinfo->count = 2;
	uinfo->value.integer.min = 0;
	uinfo->value.integer.max = mask;
	return 0;
}

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Total 70 100.00% 2 100.00%



static int snd_ad1816a_get_double(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol)
{
	struct snd_ad1816a *chip = snd_kcontrol_chip(kcontrol);
	unsigned long flags;
	int reg = kcontrol->private_value & 0xff;
	int shift_left = (kcontrol->private_value >> 8) & 0x0f;
	int shift_right = (kcontrol->private_value >> 12) & 0x0f;
	int mask = (kcontrol->private_value >> 16) & 0xff;
	int invert = (kcontrol->private_value >> 24) & 0xff;
	unsigned short val;
	
	spin_lock_irqsave(&chip->lock, flags);
	val = snd_ad1816a_read(chip, reg);
	ucontrol->value.integer.value[0] = (val >> shift_left) & mask;
	ucontrol->value.integer.value[1] = (val >> shift_right) & mask;
	spin_unlock_irqrestore(&chip->lock, flags);
	if (invert) {
		ucontrol->value.integer.value[0] = mask - ucontrol->value.integer.value[0];
		ucontrol->value.integer.value[1] = mask - ucontrol->value.integer.value[1];
	}
	return 0;
}

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takashi iwai takashi iwai 6 2.74% 1 50.00%
Total 219 100.00% 2 100.00%



static int snd_ad1816a_put_double(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol)
{
	struct snd_ad1816a *chip = snd_kcontrol_chip(kcontrol);
	unsigned long flags;
	int reg = kcontrol->private_value & 0xff;
	int shift_left = (kcontrol->private_value >> 8) & 0x0f;
	int shift_right = (kcontrol->private_value >> 12) & 0x0f;
	int mask = (kcontrol->private_value >> 16) & 0xff;
	int invert = (kcontrol->private_value >> 24) & 0xff;
	int change;
	unsigned short old_val, val1, val2;
	
	val1 = ucontrol->value.integer.value[0] & mask;
	val2 = ucontrol->value.integer.value[1] & mask;
	if (invert) {
		val1 = mask - val1;
		val2 = mask - val2;
	}
	val1 <<= shift_left;
	val2 <<= shift_right;
	spin_lock_irqsave(&chip->lock, flags);
	old_val = snd_ad1816a_read(chip, reg);
	val1 = (old_val & ~((mask << shift_left) | (mask << shift_right))) | val1 | val2;
	change = val1 != old_val;
	snd_ad1816a_write(chip, reg, val1);
	spin_unlock_irqrestore(&chip->lock, flags);
	return change;
}

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Total 230 100.00% 2 100.00%

static const DECLARE_TLV_DB_SCALE(db_scale_4bit, -4500, 300, 0);
static const DECLARE_TLV_DB_SCALE(db_scale_5bit, -4650, 150, 0);
static const DECLARE_TLV_DB_SCALE(db_scale_6bit, -9450, 150, 0);
static const DECLARE_TLV_DB_SCALE(db_scale_5bit_12db_max, -3450, 150, 0);
static const DECLARE_TLV_DB_SCALE(db_scale_rec_gain, 0, 150, 0);


static struct snd_kcontrol_new snd_ad1816a_controls[] = {
AD1816A_DOUBLE("Master Playback Switch", AD1816A_MASTER_ATT, 15, 7, 1, 1),
AD1816A_DOUBLE_TLV("Master Playback Volume", AD1816A_MASTER_ATT, 8, 0, 31, 1,
		   db_scale_5bit),
AD1816A_DOUBLE("PCM Playback Switch", AD1816A_VOICE_ATT, 15, 7, 1, 1),
AD1816A_DOUBLE_TLV("PCM Playback Volume", AD1816A_VOICE_ATT, 8, 0, 63, 1,
		   db_scale_6bit),
AD1816A_DOUBLE("Line Playback Switch", AD1816A_LINE_GAIN_ATT, 15, 7, 1, 1),
AD1816A_DOUBLE_TLV("Line Playback Volume", AD1816A_LINE_GAIN_ATT, 8, 0, 31, 1,
		   db_scale_5bit_12db_max),
AD1816A_DOUBLE("CD Playback Switch", AD1816A_CD_GAIN_ATT, 15, 7, 1, 1),
AD1816A_DOUBLE_TLV("CD Playback Volume", AD1816A_CD_GAIN_ATT, 8, 0, 31, 1,
		   db_scale_5bit_12db_max),
AD1816A_DOUBLE("Synth Playback Switch", AD1816A_SYNTH_GAIN_ATT, 15, 7, 1, 1),
AD1816A_DOUBLE_TLV("Synth Playback Volume", AD1816A_SYNTH_GAIN_ATT, 8, 0, 31, 1,
		   db_scale_5bit_12db_max),
AD1816A_DOUBLE("FM Playback Switch", AD1816A_FM_ATT, 15, 7, 1, 1),
AD1816A_DOUBLE_TLV("FM Playback Volume", AD1816A_FM_ATT, 8, 0, 63, 1,
		   db_scale_6bit),
AD1816A_SINGLE("Mic Playback Switch", AD1816A_MIC_GAIN_ATT, 15, 1, 1),
AD1816A_SINGLE_TLV("Mic Playback Volume", AD1816A_MIC_GAIN_ATT, 8, 31, 1,
		   db_scale_5bit_12db_max),
AD1816A_SINGLE("Mic Boost", AD1816A_MIC_GAIN_ATT, 14, 1, 0),
AD1816A_DOUBLE("Video Playback Switch", AD1816A_VID_GAIN_ATT, 15, 7, 1, 1),
AD1816A_DOUBLE_TLV("Video Playback Volume", AD1816A_VID_GAIN_ATT, 8, 0, 31, 1,
		   db_scale_5bit_12db_max),
AD1816A_SINGLE("Phone Capture Switch", AD1816A_PHONE_IN_GAIN_ATT, 15, 1, 1),
AD1816A_SINGLE_TLV("Phone Capture Volume", AD1816A_PHONE_IN_GAIN_ATT, 0, 15, 1,
		   db_scale_4bit),
AD1816A_SINGLE("Phone Playback Switch", AD1816A_PHONE_OUT_ATT, 7, 1, 1),
AD1816A_SINGLE_TLV("Phone Playback Volume", AD1816A_PHONE_OUT_ATT, 0, 31, 1,
		   db_scale_5bit),
{
	.iface = SNDRV_CTL_ELEM_IFACE_MIXER,
	.name = "Capture Source",
	.info = snd_ad1816a_info_mux,
	.get = snd_ad1816a_get_mux,
	.put = snd_ad1816a_put_mux,
},
AD1816A_DOUBLE("Capture Switch", AD1816A_ADC_PGA, 15, 7, 1, 1),
AD1816A_DOUBLE_TLV("Capture Volume", AD1816A_ADC_PGA, 8, 0, 15, 0,
		   db_scale_rec_gain),
AD1816A_SINGLE("3D Control - Switch", AD1816A_3D_PHAT_CTRL, 15, 1, 1),
AD1816A_SINGLE("3D Control - Level", AD1816A_3D_PHAT_CTRL, 0, 15, 0),
};
                                        


int snd_ad1816a_mixer(struct snd_ad1816a *chip)
{
	struct snd_card *card;
	unsigned int idx;
	int err;

	if (snd_BUG_ON(!chip || !chip->card))
		return -EINVAL;

	card = chip->card;

	strcpy(card->mixername, snd_ad1816a_chip_id(chip));

	for (idx = 0; idx < ARRAY_SIZE(snd_ad1816a_controls); idx++) {
		if ((err = snd_ctl_add(card, snd_ctl_new1(&snd_ad1816a_controls[idx], chip))) < 0)
			return err;
	}
	return 0;
}
Contributors
Person Tokens Prop Commits CommitProp
jaroslav kysela jaroslav kysela 86 81.90% 3 60.00%
takashi iwai takashi iwai 19 18.10% 2 40.00%
Total 105 100.00% 5 100.00%

Overall Contributors
Person Tokens Prop Commits CommitProp
jaroslav kysela jaroslav kysela 4435 82.16% 12 42.86%
krzysztof helt krzysztof helt 406 7.52% 1 3.57%
takashi iwai takashi iwai 386 7.15% 9 32.14%
ondrej zary ondrej zary 146 2.70% 2 7.14%
ken arromdee ken arromdee 12 0.22% 1 3.57%
arnaldo carvalho de melo arnaldo carvalho de melo 8 0.15% 1 3.57%
andrew morton andrew morton 4 0.07% 1 3.57%
yong zhang yong zhang 1 0.02% 1 3.57%
bill pemberton bill pemberton 0.00% 0 0.00%
Total 5398 100.00% 28 100.00%
  Directory: sound/isa/ad1816a

Information contained on this website is for historical information purposes only and does not indicate or represent copyright ownership.
	Person	Tokens	Prop	Commits	CommitProp
jaroslav kysela	jaroslav kysela	53	94.64%	1	33.33%
takashi iwai	takashi iwai	3	5.36%	2	66.67%
	Total	56	100.00%	3	100.00%
cregit-Linux how code gets into the kernel

Release 4.7 sound/isa/ad1816a/ad1816a_lib.c

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