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authorTakashi Iwai <tiwai@suse.de>2021-01-20 22:39:32 +0100
committerTakashi Iwai <tiwai@suse.de>2021-01-21 12:47:19 +0100
commit85db1cfb13e37d24be225739dc0e2da478dd2c1c (patch)
tree89aae4bc54c7c7cbf69a2db5a5833deb922e17d7 /Documentation/scsi/sym53c500_cs.rst
parent086b957cc17f53f03bae9d2baf930ac51cf68b99 (diff)
ALSA: usb-audio: Fix "RANGE setting not yet supported" errors
At probing a UAC2/UAC3 device like NUX MG-300 USB interface, we get error messages "RANGE setting not yet supported". It comes the place where the driver tries to determine the resolution of mixer volumes via SET_CUR_RES and GET_CUR_RES verbs. Those verbs aren't supported on UAC2 and UAC3, hence the driver warns like the above. Although the driver handles this error and works as expected, it's still ugly to show such errors unnecessarily. This patch papers over the errors by applying the resolution detection only for UAC1 and skipping it for UAC2/UAC3. Reported-by: Mike Oliphant <oliphant@nostatic.org> Link: https://lore.kernel.org/r/20210120213932.1971-2-tiwai@suse.de Signed-off-by: Takashi Iwai <tiwai@suse.de>
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