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Takashi Iwai b4dd36f912 ALSA: usb-audio: Correct surround channels in UAC1 channel map ...

commit b7b7e1ab76 upstream.

USB-audio driver puts SNDRV_CHMAP_SL and _SR as left and right
surround channels for UAC1 channel map, respectively.  But they should
have been SNDRV_CHMAP_RL and _RR; the current value *_SL and _SR are
rather "side" channels, not "surround".  I guess I took those
mistakenly when I read the spec mentioning "surround left".

This patch corrects those entries to be the right channels.

Suggested-by: Sylvain BERTRAND <sylvain.bertrand@legeek.net>
Closes: https://lore.kernel.orgZ/qIyJD8lhd8hFhlC@freedom
Fixes: 04324ccc75 ("ALSA: usb-audio: add channel map support")
Cc: <stable@vger.kernel.org>
Link: https://patch.msgid.link/20240731142018.24750-1-tiwai@suse.de
Signed-off-by: Takashi Iwai <tiwai@suse.de>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

2024-08-11 12:47:25 +02:00

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