]> err.no Git - linux-2.6/commitdiff
[ALSA] soc - ASoC 0.13 spitz machine
authorLiam Girdwood <lg@opensource.wolfsonmicro.com>
Fri, 2 Feb 2007 16:22:46 +0000 (17:22 +0100)
committerJaroslav Kysela <perex@suse.cz>
Fri, 9 Feb 2007 08:03:49 +0000 (09:03 +0100)
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>
sound/soc/pxa/spitz.c

index 17c8e61efe6fcb3726b97d3b9141298d39f6e4a5..80e82109fef75e222c868535d069917c903792fa 100644 (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 */