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@@ -34,6 +34,7 @@
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#include "../codecs/wm8731.h"
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#include "pxa2xx-pcm.h"
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+#include "pxa2xx-i2s.h"
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#define POODLE_HP 1
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#define POODLE_HP_OFF 0
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@@ -100,8 +101,59 @@ static int poodle_shutdown(struct snd_pcm_substream *substream)
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return 0;
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}
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+static int poodle_hw_params(struct snd_pcm_substream *substream,
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+ struct snd_pcm_hw_params *params)
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+{
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+ struct snd_soc_pcm_runtime *rtd = substream->private_data;
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+ struct snd_soc_codec_dai *codec_dai = rtd->dai->codec_dai;
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+ struct snd_soc_cpu_dai *cpu_dai = rtd->dai->cpu_dai;
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+ unsigned int clk = 0;
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+ int ret = 0;
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+
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+ switch (params_rate(params)) {
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+ case 8000:
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+ case 16000:
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+ case 48000:
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+ case 96000:
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+ clk = 12288000;
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+ break;
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+ case 11025:
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+ case 22050:
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+ case 44100:
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+ clk = 11289600;
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+ break;
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+ }
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+
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+ /* set codec DAI configuration */
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+ ret = codec_dai->dai_ops.set_fmt(codec_dai, SND_SOC_DAIFMT_I2S |
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+ SND_SOC_DAIFMT_NB_NF | SND_SOC_DAIFMT_CBS_CFS);
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+ if (ret < 0)
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+ return ret;
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+
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+ /* set cpu DAI configuration */
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+ ret = cpu_dai->dai_ops.set_fmt(cpu_dai, SND_SOC_DAIFMT_I2S |
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+ SND_SOC_DAIFMT_NB_NF | SND_SOC_DAIFMT_CBS_CFS);
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+ if (ret < 0)
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+ return ret;
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+
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+ /* set the codec system clock for DAC and ADC */
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+ ret = codec_dai->dai_ops.set_sysclk(codec_dai, WM8731_SYSCLK, clk,
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+ SND_SOC_CLOCK_IN);
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+ if (ret < 0)
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+ return ret;
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+
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+ /* set the I2S system clock as input (unused) */
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+ ret = cpu_dai->dai_ops.set_sysclk(cpu_dai, PXA2XX_I2S_SYSCLK, 0,
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+ SND_SOC_CLOCK_IN);
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+ if (ret < 0)
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+ return ret;
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+
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+ return 0;
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+}
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+
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static struct snd_soc_ops poodle_ops = {
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.startup = poodle_startup,
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+ .hw_params = poodle_hw_params,
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.shutdown = poodle_shutdown,
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};
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@@ -225,34 +277,6 @@ static int poodle_wm8731_init(struct snd_soc_codec *codec)
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return 0;
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}
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-static unsigned int poodle_config_sysclk(struct snd_soc_pcm_runtime *rtd,
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- struct snd_soc_clock_info *info)
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-{
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- if (info->bclk_master & SND_SOC_DAIFMT_CBS_CFS) {
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- /* pxa2xx is i2s master */
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- switch (info->rate) {
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- case 44100:
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- case 88200:
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- /* configure codec digital filters for 44.1, 88.2 */
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- rtd->codec_dai->config_sysclk(rtd->codec_dai, info,
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- 11289600);
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- break;
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- default:
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- /* configure codec digital filters for all other rates */
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- rtd->codec_dai->config_sysclk(rtd->codec_dai, info,
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- POODLE_AUDIO_CLOCK);
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- break;
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- }
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- return rtd->cpu_dai->config_sysclk(rtd->cpu_dai, info,
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- POODLE_AUDIO_CLOCK);
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- } else {
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- /* codec is i2s master -
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- * only configure codec DAI clock and filters */
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- return rtd->codec_dai->config_sysclk(rtd->codec_dai, info,
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- POODLE_AUDIO_CLOCK);
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- }
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-}
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-
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/* poodle digital audio interface glue - connects codec <--> CPU */
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static struct snd_soc_dai_link poodle_dai = {
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.name = "WM8731",
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@@ -260,7 +284,7 @@ static struct snd_soc_dai_link poodle_dai = {
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.cpu_dai = &pxa_i2s_dai,
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.codec_dai = &wm8731_dai,
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.init = poodle_wm8731_init,
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- .config_sysclk = poodle_config_sysclk,
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+ .ops = &poodle_ops,
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};
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/* poodle audio machine driver */
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@@ -268,7 +292,6 @@ static struct snd_soc_machine snd_soc_machine_poodle = {
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.name = "Poodle",
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.dai_link = &poodle_dai,
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.num_links = 1,
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- .ops = &poodle_ops,
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};
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/* poodle audio private data */
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