This adds a device property for setting the configuration for the HAP_ACT register field so that the connected actuator type can be configured on systems that are not using pdata.
Signed-off-by: Richard Fitzgerald <[email protected]> --- Documentation/devicetree/bindings/input/arizona-haptics.txt | 10 ++++++++++ MAINTAINERS | 1 + drivers/input/misc/arizona-haptics.c | 7 +++++++ 3 files changed, 18 insertions(+) create mode 100644 Documentation/devicetree/bindings/input/arizona-haptics.txt diff --git a/Documentation/devicetree/bindings/input/arizona-haptics.txt b/Documentation/devicetree/bindings/input/arizona-haptics.txt new file mode 100644 index 0000000..a3e767b --- /dev/null +++ b/Documentation/devicetree/bindings/input/arizona-haptics.txt @@ -0,0 +1,10 @@ +Cirrus Logic Arizona class audio SoCs + +This document lists haptics bindings for these codecs. +Also see the primary binding document: + ../mfd/arizona.txt + +Optional properties: + - wlf,hap-act : Single value defining the actuator type, as per the HAP_ACT + register field. See the codec datasheet for the available HAP_ACT values + and their meaning. diff --git a/MAINTAINERS b/MAINTAINERS index 26edd83..be4ea3e 100644 --- a/MAINTAINERS +++ b/MAINTAINERS @@ -13377,6 +13377,7 @@ W: https://github.com/CirrusLogic/linux-drivers/wiki S: Supported F: Documentation/hwmon/wm83?? F: Documentation/devicetree/bindings/extcon/extcon-arizona.txt +F: Documentation/devicetree/bindings/input/arizona*.txt F: Documentation/devicetree/bindings/regulator/arizona-regulator.txt F: Documentation/devicetree/bindings/mfd/arizona.txt F: arch/arm/mach-s3c64xx/mach-crag6410* diff --git a/drivers/input/misc/arizona-haptics.c b/drivers/input/misc/arizona-haptics.c index 21dc1b8..0264d95 100644 --- a/drivers/input/misc/arizona-haptics.c +++ b/drivers/input/misc/arizona-haptics.c @@ -14,6 +14,7 @@ #include <linux/platform_device.h> #include <linux/input.h> #include <linux/slab.h> +#include <linux/property.h> #include <sound/soc.h> #include <sound/soc-dapm.h> @@ -164,6 +165,12 @@ static int arizona_haptics_probe(struct platform_device *pdev) haptics->arizona = arizona; + if (!dev_get_platdata(arizona->dev)) + device_property_read_u32(arizona->dev, "wlf,hap-act", + &arizona->pdata.hap_act); + + dev_dbg(arizona->dev, "hap_act=%u\n", arizona->pdata.hap_act); + ret = regmap_update_bits(arizona->regmap, ARIZONA_HAPTICS_CONTROL_1, ARIZONA_HAP_ACT, arizona->pdata.hap_act); if (ret != 0) { -- 1.9.1
