avmodel: preserve floating point rate when setting device settings
avmodel: preserve floating point rate when setting device settings

Change-Id: Ife7c77abb3478c128cf4ad57ff78ab0a6cbf720a

savoirfairelinux/ring-lrc,savoirfairelinux/ring-lrc,savoirfairelinux/ring-lrc,savoirfairelinux/ring-lrc,savoirfairelinux/ring-lrc