[ALSA] soc - ASoC Sharp corgi machine

This patch updates the Sharp corgi machine driver to the new API in ASoC
0.13.
Changes:-
o  Manually configure DAI hardware format.
o Removed config_sysclk() function. No longer needed as clocking is now
configured manually.

Signed-off-by: Liam Girdwood <lg@opensource.wolfsonmicro.com>
Signed-off-by: Takashi Iwai <tiwai@suse.de>
Signed-off-by: Jaroslav Kysela <perex@suse.cz>

diff --git a/sound/soc/pxa/corgi.c b/sound/soc/pxa/corgi.c
index 2b1c6e9..5ee51a9 100644 (file)
--- a/sound/soc/pxa/corgi.c
+++ b/sound/soc/pxa/corgi.c
@@ -37,6 +37,7 @@
 
 #include "../codecs/wm8731.h"
 #include "pxa2xx-pcm.h"
+#include "pxa2xx-i2s.h"
 
 #define CORGI_HP        0
 #define CORGI_MIC       1
@@ -119,8 +120,59 @@ static int corgi_shutdown(struct snd_pcm_substream *substream)
        return 0;
 }
 
+static int corgi_hw_params(struct snd_pcm_substream *substream,
+       struct snd_pcm_hw_params *params)
+{
+       struct snd_soc_pcm_runtime *rtd = substream->private_data;
+       struct snd_soc_codec_dai *codec_dai = rtd->dai->codec_dai;
+       struct snd_soc_cpu_dai *cpu_dai = rtd->dai->cpu_dai;
+       unsigned int clk = 0;
+       int ret = 0;
+
+       switch (params_rate(params)) {
+       case 8000:
+       case 16000:
+       case 48000:
+       case 96000:
+               clk = 12288000;
+               break;
+       case 11025:
+       case 22050:
+       case 44100:
+               clk = 11289600;
+               break;
+       }
+
+       /* set codec DAI configuration */
+       ret = codec_dai->dai_ops.set_fmt(codec_dai, SND_SOC_DAIFMT_I2S |
+               SND_SOC_DAIFMT_NB_NF | SND_SOC_DAIFMT_CBS_CFS);
+       if (ret < 0)
+               return ret;
+
+       /* set cpu DAI configuration */
+       ret = cpu_dai->dai_ops.set_fmt(cpu_dai, SND_SOC_DAIFMT_I2S |
+               SND_SOC_DAIFMT_NB_NF | SND_SOC_DAIFMT_CBS_CFS);
+       if (ret < 0)
+               return ret;
+
+       /* set the codec system clock for DAC and ADC */
+       ret = codec_dai->dai_ops.set_sysclk(codec_dai, WM8731_SYSCLK, clk,
+               SND_SOC_CLOCK_IN);
+       if (ret < 0)
+               return ret;
+
+       /* set the I2S system clock as input (unused) */
+       ret = cpu_dai->dai_ops.set_sysclk(cpu_dai, PXA2XX_I2S_SYSCLK, 0,
+               SND_SOC_CLOCK_IN);
+       if (ret < 0)
+               return ret;
+
+       return 0;
+}
+
 static struct snd_soc_ops corgi_ops = {
        .startup = corgi_startup,
+       .hw_params = corgi_hw_params,
        .shutdown = corgi_shutdown,
 };
 
@@ -264,35 +316,6 @@ static int corgi_wm8731_init(struct snd_soc_codec *codec)
        return 0;
 }
 
-static unsigned int corgi_config_sysclk(struct snd_soc_pcm_runtime *rtd,
-       struct snd_soc_clock_info *info)
-{
-       if (info->bclk_master & SND_SOC_DAIFMT_CBS_CFS) {
-               /* pxa2xx is i2s master  */
-               switch (info->rate) {
-               case 44100:
-               case 88200:
-                       /* configure codec digital filters for 44.1, 88.2 */
-                       rtd->codec_dai->config_sysclk(rtd->codec_dai, info,
-                               11289600);
-               break;
-               default:
-                       /* configure codec digital filters for all other rates */
-                       rtd->codec_dai->config_sysclk(rtd->codec_dai, info,
-                               CORGI_AUDIO_CLOCK);
-               break;
-               }
-               /* config pxa i2s as master */
-               return rtd->cpu_dai->config_sysclk(rtd->cpu_dai, info,
-                       CORGI_AUDIO_CLOCK);
-       } else {
-               /* codec is i2s master -
-                * only configure codec DAI clock and filters */
-               return rtd->codec_dai->config_sysclk(rtd->codec_dai, info,
-                       CORGI_AUDIO_CLOCK);
-       }
-}
-
 /* corgi digital audio interface glue - connects codec <--> CPU */
 static struct snd_soc_dai_link corgi_dai = {
        .name = "WM8731",
@@ -300,7 +323,7 @@ static struct snd_soc_dai_link corgi_dai = {
        .cpu_dai = &pxa_i2s_dai,
        .codec_dai = &wm8731_dai,
        .init = corgi_wm8731_init,
-       .config_sysclk = corgi_config_sysclk,
+       .ops = &corgi_ops,
 };
 
 /* corgi audio machine driver */
@@ -308,7 +331,6 @@ static struct snd_soc_machine snd_soc_machine_corgi = {
        .name = "Corgi",
        .dai_link = &corgi_dai,
        .num_links = 1,
-       .ops = &corgi_ops,
 };
 
 /* corgi audio private data */