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[ALSA] soc - ASoC 0.13 spitz machine 

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@opensource.wolfsonmicro.com>
Signed-off-by: Takashi Iwai <tiwai@suse.de>
Signed-off-by: Jaroslav Kysela <perex@suse.cz>
This commit is contained in:
Liam Girdwood 2007-02-02 17:22:46 +01:00 committed by Jaroslav Kysela
parent d928b25a89
commit 97952f601e
1 changed files with 53 additions and 33 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

86
sound/soc/pxa/spitz.c
View File

@ -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_substream *substream)
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_soc_codec *codec)
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_machine_spitz = {
.name = "Spitz",
.dai_link = &spitz_dai,
.num_links = 1,
.ops = &spitz_ops,
};
/* spitz audio private data */