static int __init stih415_audio_devices_setup(void)
{
if (!stm_soc_is_stih415()) {
BUG();
return -ENODEV;
}
return platform_add_devices(stih415_audio_devices,
ARRAY_SIZE(stih415_audio_devices));
}
static int __init snd_stm_stih415_probe(struct platform_device *pdev)
{
int result;
dev_dbg(&pdev->dev, "%s()", __func__);
if (!stm_soc_is_stih415()) {
dev_err(&pdev->dev, "Unsupported (not STiH415) SOC detected!");
return -EINVAL;
}
/* Claim external pcm clock sysconf */
snd_stm_stih415_pcm_clk_sel = sysconf_claim(SYSCONF(331), 8, 11,
"PCM_CLK_SEL");
if (!snd_stm_stih415_pcm_clk_sel) {
dev_err(&pdev->dev, "Failed to claim PCM_CLK_SEL");
return -EBUSY;
}
/* Claim bi-phase idle value sysconf */
snd_stm_stih415_biphase_idle_value = sysconf_claim(SYSCONF(331), 7, 7,
"BIPHASE_IDLE_VALUE");
if (!snd_stm_stih415_biphase_idle_value) {
dev_err(&pdev->dev, "Failed to claim BIPHASE_IDLE_VALUE");
result = -EBUSY;
goto error_sysconf_claim_biphase_idle_value;
}
/* Claim voip sysconf */
snd_stm_stih415_voip = sysconf_claim(SYSCONF(331), 2, 5, "VOIP");
if (!snd_stm_stih415_voip) {
dev_err(&pdev->dev, "Failed to claim VOIP");
result = -EBUSY;
goto error_sysconf_claim_voip;
}
/* Claim pcm player routing sysconf */
snd_stm_stih415_pcmp_valid_sel = sysconf_claim(SYSCONF(331), 0, 1,
"PCMP_VALID_SEL");
if (!snd_stm_stih415_pcmp_valid_sel) {
dev_err(&pdev->dev, "Failed to claim PCMP_VALID_SEL");
result = -EBUSY;
goto error_sysconf_claim_pcmp_valid_sel;
}
/* Set the sysconf values */
snd_stm_stih415_setup();
/* Register the sound card */
result = snd_stm_card_register();
if (result) {
dev_err(&pdev->dev, "Failed to register ALSA cards!");
goto error_card_register;
}
/* Register a procfs file */
result = snd_stm_info_register(&snd_stm_stih415_proc_entry,
dev_name(&pdev->dev), snd_stm_stih415_procfs, NULL);
if (result) {
dev_err(&pdev->dev, "Failed to register with procfs");
goto error_info_register;
}
return 0;
error_info_register:
error_card_register:
sysconf_release(snd_stm_stih415_pcmp_valid_sel);
error_sysconf_claim_pcmp_valid_sel:
sysconf_release(snd_stm_stih415_voip);
error_sysconf_claim_voip:
sysconf_release(snd_stm_stih415_biphase_idle_value);
error_sysconf_claim_biphase_idle_value:
sysconf_release(snd_stm_stih415_pcm_clk_sel);
return result;
}
