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Commit fa9c98e4 authored by Takashi Sakamoto's avatar Takashi Sakamoto Committed by Takashi Iwai
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ALSA: fireface: fix reference to wrong register for clock configuration 



In an initial commit, 'SYNC_STATUS' register is referred to get
clock configuration, however this is wrong, according to my local
note at hand for reverse-engineering about packet dump. It should
be 'CLOCK_CONFIG' register. Actually, ff400_dump_clock_config()
is correctly programmed.

This commit fixes the bug.

Cc: <stable@vger.kernel.org> # v4.12+
Fixes: 76fdb3a9 ('ALSA: fireface: add support for Fireface 400')
Signed-off-by: default avatarTakashi Sakamoto <o-takashi@sakamocchi.jp>
Signed-off-by: default avatarTakashi Iwai <tiwai@suse.de>
parent 6ba189c5

sound/firewire/fireface/ff-protocol-ff400.c

+1 −1
Original line number Diff line number Diff line
@@ -30,7 +30,7 @@ static int ff400_get_clock(struct snd_ff *ff, unsigned int *rate, 
	int err;



	err = snd_fw_transaction(ff->unit, TCODE_READ_QUADLET_REQUEST,

				 FF400_SYNC_STATUS, &reg, sizeof(reg), 0);

				 FF400_CLOCK_CONFIG, &reg, sizeof(reg), 0);

	if (err < 0)

		return err;

	data = le32_to_cpu(reg);