The machine driver bdw-rt5650 (for Google buddy) supports 2 or 4-channel recording while other two drivers support only 2-channel recording. HW constraints are implemented to reflect the hardware limitation on BDW platform. Brent Lu (3): ASoC: bdw-rt5677: channel constraint support ASoC: bdw-rt5650: channel constraint support ASoC: broadwell: channel constraint support sound/soc/intel/boards/bdw-rt5650.c | 34 ++++++++++++++++++++++++++++++++++ sound/soc/intel/boards/bdw-rt5677.c | 33 +++++++++++++++++++++++++++++++++ sound/soc/intel/boards/broadwell.c | 33 +++++++++++++++++++++++++++++++++ 3 files changed, 100 insertions(+) -- 2.7.4
