Commit fedf1535 authored Jun 12, 2011 by Adrian Knoth Committed by Takashi Iwai Jun 12, 2011

ALSA: hdspm - Fix jumping external wordclock frequency in AutoSync mode

When using Word Clock on RME MADI cards, AutoSync mode was alternating
betweeen MADI and WC due to a typo: AutoSync is indicated in the second
status register (status2), not the first one (status).

While the proc output was always correct, the reported WC frequency to
ALSA was unstable as mentioned in

http://mailman.alsa-project.org/pipermail/alsa-devel/2008-March/006723.html



Signed-off-by: Adrian Knoth <adi@drcomp.erfurt.thur.de>
Signed-off-by: Takashi Iwai <tiwai@suse.de>

parent c0da0014

sound/pci/rme9652/hdspm.c

+1 −1

Original line number	Diff line number	Diff line
		@@ -1143,7 +1143,7 @@ static int hdspm_external_sample_rate(struct hdspm *hdspm)

		/* if wordclock has synced freq and wordclock is valid */
		if ((status2 & HDSPM_wcLock) != 0 &&
		(status & HDSPM_SelSyncRef0) == 0) {
		(status2 & HDSPM_SelSyncRef0) == 0) {

		rate_bits = status2 & HDSPM_wcFreqMask;