This patch updates the Sharp spitz 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@xxxxxxxxxxxxxxxxxxxxxxxxxxx>
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diff -r fc216dd0eb92 soc/pxa/spitz.c
--- a/soc/pxa/spitz.c Thu Feb 01 16:52:06 2007 +0100
+++ b/soc/pxa/spitz.c Thu Feb 01 17:49:46 2007 +0000
@@ -37,6 +37,7 @@
#include <asm/mach-types.h>
#include "../codecs/wm8750.h"
#include "pxa2xx-pcm.h"
+#include "pxa2xx-i2s.h"
#define SPITZ_HP 0
#define SPITZ_MIC 1
@@ -121,8 +122,59 @@ static int spitz_startup(struct snd_pcm_
return 0;
}
+static int spitz_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, WM8750_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 spitz_ops = {
.startup = spitz_startup,
+ .hw_params = spitz_hw_params,
};
static int spitz_get_jack(struct snd_kcontrol *kcontrol,
@@ -276,37 +328,6 @@ static int spitz_wm8750_init(struct snd_
return 0;
}
-static unsigned int spitz_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 11025:
- case 22050:
- case 44100:
- case 88200:
- /* configure codec digital filters
- * for 11.025, 22.05, 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,
- SPITZ_AUDIO_CLOCK);
- break;
- }
- /* configure pxa2xx i2s interface clocks as master */
- return rtd->cpu_dai->config_sysclk(rtd->cpu_dai, info,
- SPITZ_AUDIO_CLOCK);
- } else {
- /* codec is i2s master - only configure codec DAI clock */
- return rtd->codec_dai->config_sysclk(rtd->codec_dai, info,
- SPITZ_AUDIO_CLOCK);
- }
-}
-
/* spitz digital audio interface glue - connects codec <--> CPU */
static struct snd_soc_dai_link spitz_dai = {
.name = "wm8750",
@@ -314,7 +335,7 @@ static struct snd_soc_dai_link spitz_dai
.cpu_dai = &pxa_i2s_dai,
.codec_dai = &wm8750_dai,
.init = spitz_wm8750_init,
- .config_sysclk = spitz_config_sysclk,
+ .ops = &spitz_ops,
};
/* spitz audio machine driver */
@@ -322,7 +343,6 @@ static struct snd_soc_machine snd_soc_ma
.name = "Spitz",
.dai_link = &spitz_dai,
.num_links = 1,
- .ops = &spitz_ops,
};
/* spitz audio private data */
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