setenv boardargs "codec=wm8976"
save
Mach_smdkc110.c（arch/arm/mach_s5pv210)
//********** wang+ for codec (wm8976, rt5621) *************
char g_selected_codec[32] = "wm8976";
EXPORT_SYMBOL(g_selected_codec);
static int __init select_codec(char *str)
{
printk("select_codec: str=%s\n", str);
strcpy(g_selected_codec, str);
}
__setup("codec=", select_codec);
//********** wang+ for codec *************
Smdkv2xx_wm8976.c(sound/soc/s3c24xx)
static int __init smdkv2xx_audio_init(void)
{
int ret;
WM8976_DEBUG(" smdkv210_audio_init start\n");
extern char g_selected_codec[];
#if 1 //wang
if(!strcmp(g_selected_codec, "wm8976")){
printk("smdk2xx_wm8976 ::->smdkv2xx_audio_init ........ wm8976 ok\n");
}
else
{
printk("smdk2xx_wm8976 ::->smdkv2xx_audio_init ........ wm8976 out\n");
return 0;
}
#endif
smdkv210_audio_clk_init();
smdkv2xx_snd_device = platform_device_alloc("soc-audio", -1);
if (!smdkv2xx_snd_device)
return -ENOMEM;
ut_check_i2s_board_type();
platform_set_drvdata(smdkv2xx_snd_device, &smdkv2xx_snd_devdata);
smdkv2xx_snd_devdata.dev = &smdkv2xx_snd_device->dev;
ret = platform_device_add(smdkv2xx_snd_device);
if (ret)
platform_device_put(smdkv2xx_snd_device);
//add by urbetter
speaker_scan_init();
printk("smdkv2xx_audio_init done\n");
return ret;
}