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Commit d3c36ed8 authored by Adrian Knoth's avatar Adrian Knoth Committed by Takashi Iwai
Browse files

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

sound/pci/rme9652/hdspm.c

+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