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authorTakashi Iwai <tiwai@suse.de>2011-04-28 09:58:43 +0200
committerTakashi Iwai <tiwai@suse.de>2011-04-28 09:58:43 +0200
commit59bb7f0eebe69aa32a5c7917a23a7da1c5667d73 (patch)
tree07148368f34290c5127f106909b1fb2422a3f7fb /sound/i2c
parent13eb4ab8ca719c852ae5fbd6e803afa333ad569a (diff)
ALSA: usb-audio - Don't expose broken dB ranges
Some crappy USB-audio devices give broken dB ranges, e.g. both min and max are 0dB. This confuses the volume control that prefers dB expression such as alsactl or PulseAudio. In such a case, it's much better not to expose the broken dB information. Signed-off-by: Takashi Iwai <tiwai@suse.de>
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