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Commit d3c36ed8 authored by Adrian Knoth's avatar Adrian Knoth Committed by Takashi Iwai
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ALSA: hdspm - Introduce hdspm_get_aes_sample_rate()



Helper function to return the AES sample rate class. This class needs to
be translated via HDSPM_bit2freq() to get the more common
representation.

Signed-off-by: default avatarAdrian Knoth <adi@drcomp.erfurt.thur.de>
Signed-off-by: default avatarTakashi Iwai <tiwai@suse.de>
parent db2d1a91
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+17 −0
Original line number Diff line number Diff line
@@ -2224,6 +2224,23 @@ static int hdspm_get_sync_in_sample_rate(struct hdspm *hdspm)
	return 0;
}

/**
 * Returns the AES sample rate class for the given card.
 **/
static int hdspm_get_aes_sample_rate(struct hdspm *hdspm, int index)
{
	int timecode;

	switch (hdspm->io_type) {
	case AES32:
		timecode = hdspm_read(hdspm, HDSPM_timecodeRegister);
		return (timecode >> (4*index)) & 0xF;
		break;
	default:
		break;
	}
	return 0;
}

/**
 * Returns the sample rate class for input source <idx> for