aboutsummaryrefslogtreecommitdiffstats
path: root/sound
diff options
context:
space:
mode:
Diffstat (limited to 'sound')
-rw-r--r--sound/soc/soc-core.c140
1 files changed, 132 insertions, 8 deletions
diff --git a/sound/soc/soc-core.c b/sound/soc/soc-core.c
index 4d626b47b2ff..83f1190293a8 100644
--- a/sound/soc/soc-core.c
+++ b/sound/soc/soc-core.c
@@ -434,8 +434,7 @@ static int soc_pcm_prepare(struct snd_pcm_substream *substream)
434 else { 434 else {
435 codec_dai->pop_wait = 0; 435 codec_dai->pop_wait = 0;
436 cancel_delayed_work(&socdev->delayed_work); 436 cancel_delayed_work(&socdev->delayed_work);
437 if (codec_dai->dai_ops.digital_mute) 437 snd_soc_dai_digital_mute(codec_dai, 0);
438 codec_dai->dai_ops.digital_mute(codec_dai, 0);
439 } 438 }
440 } else { 439 } else {
441 /* no delayed work - do we need to power up codec */ 440 /* no delayed work - do we need to power up codec */
@@ -454,8 +453,7 @@ static int soc_pcm_prepare(struct snd_pcm_substream *substream)
454 SND_SOC_DAPM_STREAM_START); 453 SND_SOC_DAPM_STREAM_START);
455 454
456 snd_soc_dapm_set_bias_level(socdev, SND_SOC_BIAS_ON); 455 snd_soc_dapm_set_bias_level(socdev, SND_SOC_BIAS_ON);
457 if (codec_dai->dai_ops.digital_mute) 456 snd_soc_dai_digital_mute(codec_dai, 0);
458 codec_dai->dai_ops.digital_mute(codec_dai, 0);
459 457
460 } else { 458 } else {
461 /* codec already powered - power on widgets */ 459 /* codec already powered - power on widgets */
@@ -467,8 +465,8 @@ static int soc_pcm_prepare(struct snd_pcm_substream *substream)
467 snd_soc_dapm_stream_event(codec, 465 snd_soc_dapm_stream_event(codec,
468 codec_dai->capture.stream_name, 466 codec_dai->capture.stream_name,
469 SND_SOC_DAPM_STREAM_START); 467 SND_SOC_DAPM_STREAM_START);
470 if (codec_dai->dai_ops.digital_mute) 468
471 codec_dai->dai_ops.digital_mute(codec_dai, 0); 469 snd_soc_dai_digital_mute(codec_dai, 0);
472 } 470 }
473 } 471 }
474 472
@@ -566,8 +564,8 @@ static int soc_pcm_hw_free(struct snd_pcm_substream *substream)
566 mutex_lock(&pcm_mutex); 564 mutex_lock(&pcm_mutex);
567 565
568 /* apply codec digital mute */ 566 /* apply codec digital mute */
569 if (!codec->active && codec_dai->dai_ops.digital_mute) 567 if (!codec->active)
570 codec_dai->dai_ops.digital_mute(codec_dai, 1); 568 snd_soc_dai_digital_mute(codec_dai, 1);
571 569
572 /* free any machine hw params */ 570 /* free any machine hw params */
573 if (machine->ops && machine->ops->hw_free) 571 if (machine->ops && machine->ops->hw_free)
@@ -1703,6 +1701,132 @@ int snd_soc_put_volsw_s8(struct snd_kcontrol *kcontrol,
1703} 1701}
1704EXPORT_SYMBOL_GPL(snd_soc_put_volsw_s8); 1702EXPORT_SYMBOL_GPL(snd_soc_put_volsw_s8);
1705 1703
1704/**
1705 * snd_soc_dai_set_sysclk - configure DAI system or master clock.
1706 * @dai: DAI
1707 * @clk_id: DAI specific clock ID
1708 * @freq: new clock frequency in Hz
1709 * @dir: new clock direction - input/output.
1710 *
1711 * Configures the DAI master (MCLK) or system (SYSCLK) clocking.
1712 */
1713int snd_soc_dai_set_sysclk(struct snd_soc_dai *dai, int clk_id,
1714 unsigned int freq, int dir)
1715{
1716 if (dai->dai_ops.set_sysclk)
1717 return dai->dai_ops.set_sysclk(dai, clk_id, freq, dir);
1718 else
1719 return -EINVAL;
1720}
1721EXPORT_SYMBOL_GPL(snd_soc_dai_set_sysclk);
1722
1723/**
1724 * snd_soc_dai_set_clkdiv - configure DAI clock dividers.
1725 * @dai: DAI
1726 * @clk_id: DAI specific clock divider ID
1727 * @div: new clock divisor.
1728 *
1729 * Configures the clock dividers. This is used to derive the best DAI bit and
1730 * frame clocks from the system or master clock. It's best to set the DAI bit
1731 * and frame clocks as low as possible to save system power.
1732 */
1733int snd_soc_dai_set_clkdiv(struct snd_soc_dai *dai,
1734 int div_id, int div)
1735{
1736 if (dai->dai_ops.set_clkdiv)
1737 return dai->dai_ops.set_clkdiv(dai, div_id, div);
1738 else
1739 return -EINVAL;
1740}
1741EXPORT_SYMBOL_GPL(snd_soc_dai_set_clkdiv);
1742
1743/**
1744 * snd_soc_dai_set_pll - configure DAI PLL.
1745 * @dai: DAI
1746 * @pll_id: DAI specific PLL ID
1747 * @freq_in: PLL input clock frequency in Hz
1748 * @freq_out: requested PLL output clock frequency in Hz
1749 *
1750 * Configures and enables PLL to generate output clock based on input clock.
1751 */
1752int snd_soc_dai_set_pll(struct snd_soc_dai *dai,
1753 int pll_id, unsigned int freq_in, unsigned int freq_out)
1754{
1755 if (dai->dai_ops.set_pll)
1756 return dai->dai_ops.set_pll(dai, pll_id, freq_in, freq_out);
1757 else
1758 return -EINVAL;
1759}
1760EXPORT_SYMBOL_GPL(snd_soc_dai_set_pll);
1761
1762/**
1763 * snd_soc_dai_set_fmt - configure DAI hardware audio format.
1764 * @dai: DAI
1765 * @clk_id: DAI specific clock ID
1766 * @fmt: SND_SOC_DAIFMT_ format value.
1767 *
1768 * Configures the DAI hardware format and clocking.
1769 */
1770int snd_soc_dai_set_fmt(struct snd_soc_dai *dai, unsigned int fmt)
1771{
1772 if (dai->dai_ops.set_fmt)
1773 return dai->dai_ops.set_fmt(dai, fmt);
1774 else
1775 return -EINVAL;
1776}
1777EXPORT_SYMBOL_GPL(snd_soc_dai_set_fmt);
1778
1779/**
1780 * snd_soc_dai_set_tdm_slot - configure DAI TDM.
1781 * @dai: DAI
1782 * @mask: DAI specific mask representing used slots.
1783 * @slots: Number of slots in use.
1784 *
1785 * Configures a DAI for TDM operation. Both mask and slots are codec and DAI
1786 * specific.
1787 */
1788int snd_soc_dai_set_tdm_slot(struct snd_soc_dai *dai,
1789 unsigned int mask, int slots)
1790{
1791 if (dai->dai_ops.set_sysclk)
1792 return dai->dai_ops.set_tdm_slot(dai, mask, slots);
1793 else
1794 return -EINVAL;
1795}
1796EXPORT_SYMBOL_GPL(snd_soc_dai_set_tdm_slot);
1797
1798/**
1799 * snd_soc_dai_set_tristate - configure DAI system or master clock.
1800 * @dai: DAI
1801 * @tristate: tristate enable
1802 *
1803 * Tristates the DAI so that others can use it.
1804 */
1805int snd_soc_dai_set_tristate(struct snd_soc_dai *dai, int tristate)
1806{
1807 if (dai->dai_ops.set_sysclk)
1808 return dai->dai_ops.set_tristate(dai, tristate);
1809 else
1810 return -EINVAL;
1811}
1812EXPORT_SYMBOL_GPL(snd_soc_dai_set_tristate);
1813
1814/**
1815 * snd_soc_dai_digital_mute - configure DAI system or master clock.
1816 * @dai: DAI
1817 * @mute: mute enable
1818 *
1819 * Mutes the DAI DAC.
1820 */
1821int snd_soc_dai_digital_mute(struct snd_soc_dai *dai, int mute)
1822{
1823 if (dai->dai_ops.digital_mute)
1824 return dai->dai_ops.digital_mute(dai, mute);
1825 else
1826 return -EINVAL;
1827}
1828EXPORT_SYMBOL_GPL(snd_soc_dai_digital_mute);
1829
1706static int __devinit snd_soc_init(void) 1830static int __devinit snd_soc_init(void)
1707{ 1831{
1708 printk(KERN_INFO "ASoC version %s\n", SND_SOC_VERSION); 1832 printk(KERN_INFO "ASoC version %s\n", SND_SOC_VERSION);