[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>

1 files changed, 53 insertions, 31 deletions

diff --git a/sound/soc/pxa/corgi.c b/sound/soc/pxa/corgi.c
index 2b1c6e94d1e4..5ee51a994ac3 100644
--- 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 */