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Input - arizona-haptics: Add driver haptics module on Arizona CODECs

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The Arizona CODECs contain a haptics module providing vibration feedback
support. Implement basic support for this, providing simple start/stop and
signal magnitude control.

Since the output path for haptics is routed through the CODEC audio routing
it is modelled as a signal generator within ASoC, the haptics driver calls
DAPM to start and stop the output drivers. An appropriate output path must
be configured via ALSA to connect the haptics source to the correct output.

Signed-off-by: Mark Brown <broonie@opensource.wolfsonmicro.com>
This commit is contained in:
Mark Brown
2012-11-26 21:17:21 +00:00
parent b951b523ea
commit 9dd555e2f4
4 changed files with 272 additions and 0 deletions
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10
drivers/input/misc/Kconfig
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@@ -72,6 +72,16 @@ config INPUT_AD714X_SPI
To compile this driver as a module, choose M here: the
module will be called ad714x-spi.
config INPUT_ARIZONA_HAPTICS
tristate "Arizona haptics support"
depends on MFD_ARIZONA && SND_SOC
select INPUT_FF_MEMLESS
help
Say Y to enable support for the haptics module in Arizona CODECs.
To compile this driver as a module, choose M here: the
module will be called arizona-haptics.
config INPUT_BMA150
tristate "BMA150/SMB380 acceleration sensor support"
depends on I2C