From: Liam Girdwood <lg@opensource.wolfsonmicro.com>
Date: Fri, 2 Feb 2007 16:22:20 +0000 (+0100)
Subject: [ALSA] soc - ASoC Sharp corgi machine
X-Git-Tag: v2.6.21-rc1~83^2~62^2~17
X-Git-Url: https://err.no/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=d928b25a89c3154fe6d0e62a83f51c5b621aa099;p=linux-2.6

[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 2b1c6e94d1..5ee51a994a 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 */