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dt-bindings: sound: gtm601: add the broadmobi interface 

The Broadmobi BM818 uses a different sample rate and channels from the
option modem.

Signed-off-by: Angus Ainslie (Purism) <angus@akkea.ca>
Reviewed-by: Rob Herring <robh@kernel.org>
Link: https://lore.kernel.org/r/20191223154712.18581-3-angus@akkea.ca
Signed-off-by: Mark Brown <broonie@kernel.org>
This commit is contained in:
Angus Ainslie (Purism) 2019-12-23 07:47:12 -08:00 committed by Mark Brown
parent 057a317a8d
commit bb9ee1eacb
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1 changed files with 8 additions and 2 deletions
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Documentation/devicetree/bindings/sound/gtm601.txt
View File

@ -1,10 +1,16 @@
GTM601 UMTS modem audio interface CODEC
This device has no configuration interface. Sample rate is fixed - 8kHz.
This device has no configuration interface. The sample rate and channels are
based on the compatible string
"option,gtm601" = 8kHz mono
"broadmobi,bm818" = 48KHz stereo
Required properties:
- compatible : "option,gtm601"
- compatible : one of
"option,gtm601"
"broadmobi,bm818"
Example: