From dbae4a0c8d8794df1a6bd7e644ed94b915f46f7e Mon Sep 17 00:00:00 2001 From: Adrian Knoth Date: Fri, 5 Jul 2013 11:28:14 +0200 Subject: ALSA: hdspm - AES32: Enable TCO input in hdspm_external_sample_rate() This patch adds support to read the TCO sample rate in hdspm_external_sample_rate() on RME AES(32) cards. Signed-off-by: Adrian Knoth Signed-off-by: Takashi Iwai --- sound/pci/rme9652/hdspm.c | 37 ++++++++++++++++++++++++++++--------- 1 file changed, 28 insertions(+), 9 deletions(-) (limited to 'sound/pci/rme9652/hdspm.c') diff --git a/sound/pci/rme9652/hdspm.c b/sound/pci/rme9652/hdspm.c index a9f4c7c4b6f4..80b2247dc8f9 100644 --- a/sound/pci/rme9652/hdspm.c +++ b/sound/pci/rme9652/hdspm.c @@ -1176,17 +1176,36 @@ static int hdspm_external_sample_rate(struct hdspm *hdspm) timecode = hdspm_read(hdspm, HDSPM_timecodeRegister); syncref = hdspm_autosync_ref(hdspm); + switch (syncref) { + case HDSPM_AES32_AUTOSYNC_FROM_WORD: + /* Check WC sync and get sample rate */ + if (hdspm_wc_sync_check(hdspm)) + return HDSPM_bit2freq(hdspm_get_wc_sample_rate(hdspm)); + break; + + case HDSPM_AES32_AUTOSYNC_FROM_AES1: + case HDSPM_AES32_AUTOSYNC_FROM_AES2: + case HDSPM_AES32_AUTOSYNC_FROM_AES3: + case HDSPM_AES32_AUTOSYNC_FROM_AES4: + case HDSPM_AES32_AUTOSYNC_FROM_AES5: + case HDSPM_AES32_AUTOSYNC_FROM_AES6: + case HDSPM_AES32_AUTOSYNC_FROM_AES7: + case HDSPM_AES32_AUTOSYNC_FROM_AES8: + /* Check AES sync and get sample rate */ + if (hdspm_aes_sync_check(hdspm, syncref - HDSPM_AES32_AUTOSYNC_FROM_AES1)) + return HDSPM_bit2freq(hdspm_get_aes_sample_rate(hdspm, + syncref - HDSPM_AES32_AUTOSYNC_FROM_AES1)); + break; - if (syncref == HDSPM_AES32_AUTOSYNC_FROM_WORD && - status & HDSPM_AES32_wcLock) - return HDSPM_bit2freq((status >> HDSPM_AES32_wcFreq_bit) & 0xF); - if (syncref >= HDSPM_AES32_AUTOSYNC_FROM_AES1 && - syncref <= HDSPM_AES32_AUTOSYNC_FROM_AES8 && - status2 & (HDSPM_LockAES >> - (syncref - HDSPM_AES32_AUTOSYNC_FROM_AES1))) - return HDSPM_bit2freq((timecode >> (4*(syncref-HDSPM_AES32_AUTOSYNC_FROM_AES1))) & 0xF); - return 0; + case HDSPM_AES32_AUTOSYNC_FROM_TCO: + /* Check TCO sync and get sample rate */ + if (hdspm_tco_sync_check(hdspm)) + return HDSPM_bit2freq(hdspm_get_tco_sample_rate(hdspm)); + break; + default: + return 0; + } /* end switch(syncref) */ break; case MADIface: -- cgit v1.2.3-55-g7522