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authorTakashi Iwai <tiwai@suse.de>2022-08-23 10:09:56 +0200
committerMark Brown <broonie@kernel.org>2022-08-23 14:04:42 +0200
commitcf5071876baf995f8f98e86ef06f85a58feda63c (patch)
tree31850d76ad7cd831d39ec84f81633c5f89f83db0 /sound/oss
parentASoC: mediatek: mt8186: fix DMIC record noise (diff)
downloadlinux-cf5071876baf995f8f98e86ef06f85a58feda63c.tar.xz
linux-cf5071876baf995f8f98e86ef06f85a58feda63c.zip
ASoC: nau8821: Implement hw constraint for rates
nau8821 driver restricts the sample rate with over sampling rate, but currently it barely bails out at hw_params with -EINVAL error (with a kernel message); this doesn't help for user-space to recognize which rate can be actually used. This patch introduces the proper hw constraint for adjusting the available range of the sample rate depending on the OSR setup, as well as some code cleanup, for improving the communication with user-space. Now applications can know the valid rate beforehand and reduces the rate appropriately without errors. Signed-off-by: Takashi Iwai <tiwai@suse.de> Link: https://lore.kernel.org/r/20220823081000.2965-2-tiwai@suse.de Signed-off-by: Mark Brown <broonie@kernel.org>
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