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3 Commits

Author SHA1 Message Date
Takashi Iwai
55a29af5ed [ALSA] Add definition of TLV dB range compound 
Added the definition of TLV dB range compound.  It contains one or
more dB-range or linear-volume TLV entries with min/max ranges.
Used for volume controls with non-linear curves.

Signed-off-by: Takashi Iwai <tiwai@suse.de>
Signed-off-by: Jaroslav Kysela <perex@suse.cz>
 2006-09-23 10:46:11 +02:00
Takashi Iwai
063a40d911 [ALSA] Add the definition of linear volume TLV 
Added the definition of linear volume TLV type.
Some DSP chips and codecs (e.g. AK codec) use linear volume control.

Signed-off-by: Takashi Iwai <tiwai@suse.de>
Signed-off-by: Jaroslav Kysela <perex@suse.cz>
 2006-09-23 10:44:44 +02:00
Jaroslav Kysela
42750b04c5 [ALSA] Control API - TLV implementation for additional information like dB scale 
This patch implements a TLV mechanism to transfer an additional information
like dB scale to the user space. The types might be extended in future.
Acked-by: Takashi Iwai <tiwai@suse.de>

Signed-off-by: Jaroslav Kysela <perex@suse.cz>
 2006-09-23 10:36:42 +02:00