diff options
108 files changed, 3913 insertions, 1145 deletions
diff --git a/Documentation/ABI/testing/sysfs-bus-iio b/Documentation/ABI/testing/sysfs-bus-iio index 39c8de0e53d0..ab1047c20495 100644 --- a/Documentation/ABI/testing/sysfs-bus-iio +++ b/Documentation/ABI/testing/sysfs-bus-iio @@ -811,3 +811,14 @@ Description: Writing '1' stores the current device configuration into on-chip EEPROM. After power-up or chip reset the device will automatically load the saved configuration. + +What: /sys/.../iio:deviceX/in_intensity_red_integration_time +What: /sys/.../iio:deviceX/in_intensity_green_integration_time +What: /sys/.../iio:deviceX/in_intensity_blue_integration_time +What: /sys/.../iio:deviceX/in_intensity_clear_integration_time +What: /sys/.../iio:deviceX/in_illuminance_integration_time +KernelVersion: 3.12 +Contact: linux-iio@vger.kernel.org +Description: + This attribute is used to get/set the integration time in + seconds. diff --git a/Documentation/devicetree/bindings/iio/light/gp2ap020a00f.txt b/Documentation/devicetree/bindings/iio/light/gp2ap020a00f.txt new file mode 100644 index 000000000000..9231c82317ad --- /dev/null +++ b/Documentation/devicetree/bindings/iio/light/gp2ap020a00f.txt @@ -0,0 +1,21 @@ +* Sharp GP2AP020A00F I2C Proximity/ALS sensor + +The proximity detector sensor requires power supply +for its built-in led. It is also defined by this binding. + +Required properties: + + - compatible : should be "sharp,gp2ap020a00f" + - reg : the I2C slave address of the light sensor + - interrupts : interrupt specifier for the sole interrupt generated + by the device + - vled-supply : VLED power supply, as covered in ../regulator/regulator.txt + +Example: + +gp2ap020a00f@39 { + compatible = "sharp,gp2ap020a00f"; + reg = <0x39>; + interrupts = <2 0>; + vled-supply = <...>; +}; diff --git a/MAINTAINERS b/MAINTAINERS index e61c2e83fc2b..e8ee569fdce5 100644 --- a/MAINTAINERS +++ b/MAINTAINERS @@ -4195,7 +4195,7 @@ S: Maintained F: drivers/media/rc/iguanair.c IIO SUBSYSTEM AND DRIVERS -M: Jonathan Cameron <jic23@cam.ac.uk> +M: Jonathan Cameron <jic23@kernel.org> L: linux-iio@vger.kernel.org S: Maintained F: drivers/iio/ @@ -7947,7 +7947,7 @@ S: Maintained F: drivers/staging/media/go7007/ STAGING - INDUSTRIAL IO -M: Jonathan Cameron <jic23@cam.ac.uk> +M: Jonathan Cameron <jic23@kernel.org> L: linux-iio@vger.kernel.org S: Odd Fixes F: drivers/staging/iio/ diff --git a/drivers/iio/accel/bma180.c b/drivers/iio/accel/bma180.c index 12e32e6b4103..bda7a8343ddd 100644 --- a/drivers/iio/accel/bma180.c +++ b/drivers/iio/accel/bma180.c @@ -471,13 +471,10 @@ static irqreturn_t bma180_trigger_handler(int irq, void *p) struct iio_poll_func *pf = p; struct iio_dev *indio_dev = pf->indio_dev; struct bma180_data *data = iio_priv(indio_dev); + int64_t time_ns = iio_get_time_ns(); int bit, ret, i = 0; mutex_lock(&data->mutex); - if (indio_dev->scan_timestamp) { - ret = indio_dev->scan_bytes / sizeof(s64) - 1; - ((s64 *)data->buff)[ret] = iio_get_time_ns(); - } for_each_set_bit(bit, indio_dev->buffer->scan_mask, indio_dev->masklength) { @@ -490,7 +487,7 @@ static irqreturn_t bma180_trigger_handler(int irq, void *p) } mutex_unlock(&data->mutex); - iio_push_to_buffers(indio_dev, (u8 *)data->buff); + iio_push_to_buffers_with_timestamp(indio_dev, data->buff, time_ns); err: iio_trigger_notify_done(indio_dev->trig); diff --git a/drivers/iio/accel/hid-sensor-accel-3d.c b/drivers/iio/accel/hid-sensor-accel-3d.c index 46d22f3fb1a9..dcda17395c4e 100644 --- a/drivers/iio/accel/hid-sensor-accel-3d.c +++ b/drivers/iio/accel/hid-sensor-accel-3d.c @@ -182,10 +182,11 @@ static const struct iio_info accel_3d_info = { }; /* Function to push data to buffer */ -static void hid_sensor_push_data(struct iio_dev *indio_dev, u8 *data, int len) +static void hid_sensor_push_data(struct iio_dev *indio_dev, const void *data, + int len) { dev_dbg(&indio_dev->dev, "hid_sensor_push_data\n"); - iio_push_to_buffers(indio_dev, (u8 *)data); + iio_push_to_buffers(indio_dev, data); } /* Callback handler to send event after all samples are received and captured */ @@ -200,7 +201,7 @@ static int accel_3d_proc_event(struct hid_sensor_hub_device *hsdev, accel_state->common_attributes.data_ready); if (accel_state->common_attributes.data_ready) hid_sensor_push_data(indio_dev, - (u8 *)accel_state->accel_val, + accel_state->accel_val, sizeof(accel_state->accel_val)); return 0; diff --git a/drivers/iio/accel/st_accel_core.c b/drivers/iio/accel/st_accel_core.c index 1458343f6f3f..38caedc76b98 100644 --- a/drivers/iio/accel/st_accel_core.c +++ b/drivers/iio/accel/st_accel_core.c @@ -452,8 +452,9 @@ static const struct iio_trigger_ops st_accel_trigger_ops = { int st_accel_common_probe(struct iio_dev *indio_dev, struct st_sensors_platform_data *plat_data) { - int err; struct st_sensor_data *adata = iio_priv(indio_dev); + int irq = adata->get_irq_data_ready(indio_dev); + int err; indio_dev->modes = INDIO_DIRECT_MODE; indio_dev->info = &accel_info; @@ -461,7 +462,7 @@ int st_accel_common_probe(struct iio_dev *indio_dev, err = st_sensors_check_device_support(indio_dev, ARRAY_SIZE(st_accel_sensors), st_accel_sensors); if (err < 0) - goto st_accel_common_probe_error; + return err; adata->num_data_channels = ST_ACCEL_NUMBER_DATA_CHANNELS; adata->multiread_bit = adata->sensor->multi_read_bit; @@ -478,13 +479,13 @@ int st_accel_common_probe(struct iio_dev *indio_dev, err = st_sensors_init_sensor(indio_dev, plat_data); if (err < 0) - goto st_accel_common_probe_error; + return err; - if (adata->get_irq_data_ready(indio_dev) > 0) { - err = st_accel_allocate_ring(indio_dev); - if (err < 0) - goto st_accel_common_probe_error; + err = st_accel_allocate_ring(indio_dev); + if (err < 0) + return err; + if (irq > 0) { err = st_sensors_allocate_trigger(indio_dev, ST_ACCEL_TRIGGER_OPS); if (err < 0) @@ -495,15 +496,14 @@ int st_accel_common_probe(struct iio_dev *indio_dev, if (err) goto st_accel_device_register_error; - return err; + return 0; st_accel_device_register_error: - if (adata->get_irq_data_ready(indio_dev) > 0) + if (irq > 0) st_sensors_deallocate_trigger(indio_dev); st_accel_probe_trigger_error: - if (adata->get_irq_data_ready(indio_dev) > 0) - st_accel_deallocate_ring(indio_dev); -st_accel_common_probe_error: + st_accel_deallocate_ring(indio_dev); + return err; } EXPORT_SYMBOL(st_accel_common_probe); @@ -513,10 +513,10 @@ void st_accel_common_remove(struct iio_dev *indio_dev) struct st_sensor_data *adata = iio_priv(indio_dev); iio_device_unregister(indio_dev); - if (adata->get_irq_data_ready(indio_dev) > 0) { + if (adata->get_irq_data_ready(indio_dev) > 0) st_sensors_deallocate_trigger(indio_dev); - st_accel_deallocate_ring(indio_dev); - } + + st_accel_deallocate_ring(indio_dev); } EXPORT_SYMBOL(st_accel_common_remove); diff --git a/drivers/iio/adc/Kconfig b/drivers/iio/adc/Kconfig index 09371cbc9dc1..8b885188b839 100644 --- a/drivers/iio/adc/Kconfig +++ b/drivers/iio/adc/Kconfig @@ -145,6 +145,16 @@ config MCP320X This driver can also be built as a module. If so, the module will be called mcp320x. +config MCP3422 + tristate "Microchip Technology MCP3422/3/4 driver" + depends on I2C + help + Say yes here to build support for Microchip Technology's MCP3422, + MCP3423 or MCP3424 analog to digital converters. + + This driver can also be built as a module. If so, the module will be + called mcp3422. + config NAU7802 tristate "Nuvoton NAU7802 ADC driver" depends on I2C @@ -167,6 +177,7 @@ config TI_ADC081C config TI_AM335X_ADC tristate "TI's AM335X ADC dr |