Seems we need below patch to fix the build error: http://mailman.alsa-project.org/pipermail/alsa-devel/2011-December/047403.ht...
CC sound/soc/tegra/tegra_wm8903.o sound/soc/tegra/tegra_wm8903.c: In function 'tegra_wm8903_driver_probe': sound/soc/tegra/tegra_wm8903.c:411: error: 'struct snd_soc_dai_link' has no member named 'codec_of_node' sound/soc/tegra/tegra_wm8903.c:413: error: 'struct snd_soc_dai_link' has no member named 'codec_of_node' sound/soc/tegra/tegra_wm8903.c:421: error: 'struct snd_soc_dai_link' has no member named 'cpu_dai_of_node' sound/soc/tegra/tegra_wm8903.c:423: error: 'struct snd_soc_dai_link' has no member named 'cpu_dai_of_node' make[3]: *** [sound/soc/tegra/tegra_wm8903.o] Error 1 make[2]: *** [sound/soc/tegra] Error 2 make[1]: *** [sound/soc] Error 2 make: *** [sound] Error 2
Regards, Axel