int tegra_das_open(void)
{
int err = 0;
AM_DEBUG_PRINT("%s++\n", __func__);
aud_manager = kzalloc(sizeof(struct audio_manager_context), GFP_KERNEL);
if (!aud_manager)
return -ENOMEM;
aud_manager->mclk = tegra_get_clock_by_name("extern1");
if (!aud_manager->mclk) {
pr_err(" err in getting mclk \n");
err = -ENODEV;
goto fail_clock;
}
aud_manager->pmc_clk = clk_get_sys("clk_out_1", "extern1");
if (IS_ERR_OR_NULL(aud_manager->pmc_clk))
{
pr_err("%s can't get pmc clock\n", __func__);
err = -ENODEV;
aud_manager->pmc_clk = 0;
goto fail_clock;
}
aud_manager->hifi_port_idx = init_device_port(
tegra_audio_codec_type_hifi);
aud_manager->bb_port_idx = init_device_port(
tegra_audio_codec_type_baseband);
aud_manager->bt_port_idx = init_device_port(
tegra_audio_codec_type_bluetooth);
init_spdif_port(AUDIO_TX_MODE);
return err;
fail_clock:
tegra_das_close();
return err;
}
static int tegra_codec_init(struct snd_soc_codec *codec)
{
struct tegra_audio_data *audio_data = codec->socdev->codec_data;
int err = 0;
if (!audio_data->init_done) {
err = tegra_das_open();
if (err) {
pr_err("Failed get dap mclk\n");
err = -ENODEV;
goto generic_codec_init_fail;
}
err = tegra_das_enable_mclk();
if (err) {
pr_err("Failed to enable dap mclk\n");
err = -ENODEV;
goto generic_codec_init_fail;
}
err = tegra_controls_init(codec);
if (err < 0) {
pr_err("Failed in controls init\n");
goto generic_codec_init_fail;
}
audio_data->codec = codec;
audio_data->init_done = 1;
}
return err;
generic_codec_init_fail:
tegra_das_disable_mclk();
tegra_das_close();
return err;
}
