dap_id             98 sound/soc/tegra/tegra20_das.h extern int tegra20_das_connect_dap_to_dac(int dap_id, int dac_sel);
dap_id            108 sound/soc/tegra/tegra20_das.h extern int tegra20_das_connect_dap_to_dap(int dap_id, int other_dap_sel,