ASoC: Fix DaVinci module unload error

[linux-2.6-omap-h63xx.git] / sound / soc / davinci / davinci-evm.c

diff --git a/sound/soc/davinci/davinci-evm.c b/sound/soc/davinci/davinci-evm.c
index 01b948bb55a1ee6fdc5f5a13a43713980d8f0d32..9b90b347007cf400128bbceac8edbf3eaadac1e8 100644 (file)
--- a/sound/soc/davinci/davinci-evm.c
+++ b/sound/soc/davinci/davinci-evm.c
@@ -26,7 +26,6 @@
 #include "davinci-pcm.h"
 #include "davinci-i2s.h"
 
-#define EVM_CODEC_CLOCK 22579200
 
 #define AUDIO_FORMAT (SND_SOC_DAIFMT_DSP_B | \
                SND_SOC_DAIFMT_CBM_CFM | SND_SOC_DAIFMT_IB_NF)
@@ -37,6 +36,21 @@ static int evm_hw_params(struct snd_pcm_substream *substream,
        struct snd_soc_dai *codec_dai = rtd->dai->codec_dai;
        struct snd_soc_dai *cpu_dai = rtd->dai->cpu_dai;
        int ret = 0;
+       unsigned sysclk;
+
+       /* ASP1 on DM355 EVM is clocked by an external oscillator */
+       if (machine_is_davinci_dm355_evm())
+               sysclk = 27000000;
+
+       /* ASP0 in DM6446 EVM is clocked by U55, as configured by
+        * board-dm644x-evm.c using GPIOs from U18.  There are six
+        * options; here we "know" we use a 48 KHz sample rate.
+        */
+       else if (machine_is_davinci_evm())
+               sysclk = 12288000;
+
+       else
+               return -EINVAL;
 
        /* set codec DAI configuration */
        ret = snd_soc_dai_set_fmt(codec_dai, AUDIO_FORMAT);
@@ -49,8 +63,7 @@ static int evm_hw_params(struct snd_pcm_substream *substream,
                return ret;
 
        /* set the codec system clock */
-       ret = snd_soc_dai_set_sysclk(codec_dai, 0, EVM_CODEC_CLOCK,
-                                           SND_SOC_CLOCK_OUT);
+       ret = snd_soc_dai_set_sysclk(codec_dai, 0, sysclk, SND_SOC_CLOCK_OUT);
        if (ret < 0)
                return ret;
 
@@ -173,7 +186,8 @@ static int __init evm_init(void)
 
        platform_set_drvdata(evm_snd_device, &evm_snd_devdata);
        evm_snd_devdata.dev = &evm_snd_device->dev;
-       evm_snd_device->dev.platform_data = &evm_snd_data;
+       platform_device_add_data(evm_snd_device, &evm_snd_data,
+                                sizeof(evm_snd_data));
 
        ret = platform_device_add_resources(evm_snd_device, evm_snd_resources,
                                            ARRAY_SIZE(evm_snd_resources));