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Commit dbae4a0c authored by Adrian Knoth's avatar Adrian Knoth Committed by Takashi Iwai
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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: default avatarAdrian Knoth <adi@drcomp.erfurt.thur.de>
Signed-off-by: default avatarTakashi Iwai <tiwai@suse.de>
parent 3ac9b0ac

sound/pci/rme9652/hdspm.c

+28 −9
Original line number Diff line number Diff line
@@ -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);

		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: