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path: root/drivers/iio/light
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-rw-r--r--drivers/iio/light/Kconfig34
-rw-r--r--drivers/iio/light/Makefile4
-rw-r--r--drivers/iio/light/adjd_s311.c43
-rw-r--r--drivers/iio/light/apds9300.c512
-rw-r--r--drivers/iio/light/hid-sensor-als.c41
-rw-r--r--drivers/iio/light/lm3533-als.c7
-rw-r--r--drivers/iio/light/tsl2563.c25
-rw-r--r--drivers/iio/light/vcnl4000.c16
8 files changed, 583 insertions, 99 deletions
diff --git a/drivers/iio/light/Kconfig b/drivers/iio/light/Kconfig
index 5ef1a396e0c9..bf9fa0d7aff9 100644
--- a/drivers/iio/light/Kconfig
+++ b/drivers/iio/light/Kconfig
@@ -1,6 +1,8 @@
#
# Light sensors
#
+# When adding new entries keep the list in alphabetical order
+
menu "Light sensors"
config ADJD_S311
@@ -15,6 +17,27 @@ config ADJD_S311
This driver can also be built as a module. If so, the module
will be called adjd_s311.
+config APDS9300
+ tristate "APDS9300 ambient light sensor"
+ depends on I2C
+ help
+ Say Y here if you want to build a driver for the Avago APDS9300
+ ambient light sensor.
+
+ To compile this driver as a module, choose M here: the
+ module will be called apds9300.
+
+config HID_SENSOR_ALS
+ depends on HID_SENSOR_HUB
+ select IIO_BUFFER
+ select IIO_TRIGGERED_BUFFER
+ select HID_SENSOR_IIO_COMMON
+ select HID_SENSOR_IIO_TRIGGER
+ tristate "HID ALS"
+ help
+ Say yes here to build support for the HID SENSOR
+ Ambient light sensor.
+
config SENSORS_LM3533
tristate "LM3533 ambient light sensor"
depends on MFD_LM3533
@@ -52,15 +75,4 @@ config VCNL4000
To compile this driver as a module, choose M here: the
module will be called vcnl4000.
-config HID_SENSOR_ALS
- depends on HID_SENSOR_HUB
- select IIO_BUFFER
- select IIO_TRIGGERED_BUFFER
- select HID_SENSOR_IIO_COMMON
- select HID_SENSOR_IIO_TRIGGER
- tristate "HID ALS"
- help
- Say yes here to build support for the HID SENSOR
- Ambient light sensor.
-
endmenu
diff --git a/drivers/iio/light/Makefile b/drivers/iio/light/Makefile
index 040d9c75f8e6..354ee9ab2379 100644
--- a/drivers/iio/light/Makefile
+++ b/drivers/iio/light/Makefile
@@ -2,8 +2,10 @@
# Makefile for IIO Light sensors
#
+# When adding new entries keep the list in alphabetical order
obj-$(CONFIG_ADJD_S311) += adjd_s311.o
+obj-$(CONFIG_APDS9300) += apds9300.o
+obj-$(CONFIG_HID_SENSOR_ALS) += hid-sensor-als.o
obj-$(CONFIG_SENSORS_LM3533) += lm3533-als.o
obj-$(CONFIG_SENSORS_TSL2563) += tsl2563.o
obj-$(CONFIG_VCNL4000) += vcnl4000.o
-obj-$(CONFIG_HID_SENSOR_ALS) += hid-sensor-als.o
diff --git a/drivers/iio/light/adjd_s311.c b/drivers/iio/light/adjd_s311.c
index c1cd5698b8ae..23cff798598a 100644
--- a/drivers/iio/light/adjd_s311.c
+++ b/drivers/iio/light/adjd_s311.c
@@ -37,22 +37,14 @@
#define ADJD_S311_CAP_GREEN 0x07
#define ADJD_S311_CAP_BLUE 0x08
#define ADJD_S311_CAP_CLEAR 0x09
-#define ADJD_S311_INT_RED_LO 0x0a
-#define ADJD_S311_INT_RED_HI 0x0b
-#define ADJD_S311_INT_GREEN_LO 0x0c
-#define ADJD_S311_INT_GREEN_HI 0x0d
-#define ADJD_S311_INT_BLUE_LO 0x0e
-#define ADJD_S311_INT_BLUE_HI 0x0f
-#define ADJD_S311_INT_CLEAR_LO 0x10
-#define ADJD_S311_INT_CLEAR_HI 0x11
-#define ADJD_S311_DATA_RED_LO 0x40
-#define ADJD_S311_DATA_RED_HI 0x41
-#define ADJD_S311_DATA_GREEN_LO 0x42
-#define ADJD_S311_DATA_GREEN_HI 0x43
-#define ADJD_S311_DATA_BLUE_LO 0x44
-#define ADJD_S311_DATA_BLUE_HI 0x45
-#define ADJD_S311_DATA_CLEAR_LO 0x46
-#define ADJD_S311_DATA_CLEAR_HI 0x47
+#define ADJD_S311_INT_RED 0x0a
+#define ADJD_S311_INT_GREEN 0x0c
+#define ADJD_S311_INT_BLUE 0x0e
+#define ADJD_S311_INT_CLEAR 0x10
+#define ADJD_S311_DATA_RED 0x40
+#define ADJD_S311_DATA_GREEN 0x42
+#define ADJD_S311_DATA_BLUE 0x44
+#define ADJD_S311_DATA_CLEAR 0x46
#define ADJD_S311_OFFSET_RED 0x48
#define ADJD_S311_OFFSET_GREEN 0x49
#define ADJD_S311_OFFSET_BLUE 0x4a
@@ -73,8 +65,8 @@ enum adjd_s311_channel_idx {
IDX_RED, IDX_GREEN, IDX_BLUE, IDX_CLEAR
};
-#define ADJD_S311_DATA_REG(chan) (ADJD_S311_DATA_RED_LO + (chan) * 2)
-#define ADJD_S311_INT_REG(chan) (ADJD_S311_INT_RED_LO + (chan) * 2)
+#define ADJD_S311_DATA_REG(chan) (ADJD_S311_DATA_RED + (chan) * 2)
+#define ADJD_S311_INT_REG(chan) (ADJD_S311_INT_RED + (chan) * 2)
#define ADJD_S311_CAP_REG(chan) (ADJD_S311_CAP_RED + (chan))
static int adjd_s311_req_data(struct iio_dev *indio_dev)
@@ -294,11 +286,10 @@ static int adjd_s311_probe(struct i2c_client *client,
struct iio_dev *indio_dev;
int err;
- indio_dev = iio_device_alloc(sizeof(*data));
- if (indio_dev == NULL) {
- err = -ENOMEM;
- goto exit;
- }
+ indio_dev = devm_iio_device_alloc(&client->dev, sizeof(*data));
+ if (indio_dev == NULL)
+ return -ENOMEM;
+
data = iio_priv(indio_dev);
i2c_set_clientdata(client, indio_dev);
data->client = client;
@@ -313,7 +304,7 @@ static int adjd_s311_probe(struct i2c_client *client,
err = iio_triggered_buffer_setup(indio_dev, NULL,
adjd_s311_trigger_handler, NULL);
if (err < 0)
- goto exit_free_device;
+ return err;
err = iio_device_register(indio_dev);
if (err)
@@ -325,9 +316,6 @@ static int adjd_s311_probe(struct i2c_client *client,
exit_unreg_buffer:
iio_triggered_buffer_cleanup(indio_dev);
-exit_free_device:
- iio_device_free(indio_dev);
-exit:
return err;
}
@@ -339,7 +327,6 @@ static int adjd_s311_remove(struct i2c_client *client)
iio_device_unregister(indio_dev);
iio_triggered_buffer_cleanup(indio_dev);
kfree(data->buffer);
- iio_device_free(indio_dev);
return 0;
}
diff --git a/drivers/iio/light/apds9300.c b/drivers/iio/light/apds9300.c
new file mode 100644
index 000000000000..66a58bda6dc8
--- /dev/null
+++ b/drivers/iio/light/apds9300.c
@@ -0,0 +1,512 @@
+/*
+ * apds9300.c - IIO driver for Avago APDS9300 ambient light sensor
+ *
+ * Copyright 2013 Oleksandr Kravchenko <o.v.kravchenko@globallogic.com>
+ *
+ * This file is subject to the terms and conditions of version 2 of
+ * the GNU General Public License. See the file COPYING in the main
+ * directory of this archive for more details.
+ */
+
+#include <linux/module.h>
+#include <linux/slab.h>
+#include <linux/pm.h>
+#include <linux/i2c.h>
+#include <linux/err.h>
+#include <linux/mutex.h>
+#include <linux/interrupt.h>
+#include <linux/iio/iio.h>
+#include <linux/iio/sysfs.h>
+#include <linux/iio/events.h>
+
+#define APDS9300_DRV_NAME "apds9300"
+#define APDS9300_IRQ_NAME "apds9300_event"
+
+/* Command register bits */
+#define APDS9300_CMD BIT(7) /* Select command register. Must write as 1 */
+#define APDS9300_WORD BIT(5) /* I2C write/read: if 1 word, if 0 byte */
+#define APDS9300_CLEAR BIT(6) /* Interrupt clear. Clears pending interrupt */
+
+/* Register set */
+#define APDS9300_CONTROL 0x00 /* Control of basic functions */
+#define APDS9300_THRESHLOWLOW 0x02 /* Low byte of low interrupt threshold */
+#define APDS9300_THRESHHIGHLOW 0x04 /* Low byte of high interrupt threshold */
+#define APDS9300_INTERRUPT 0x06 /* Interrupt control */
+#define APDS9300_DATA0LOW 0x0c /* Low byte of ADC channel 0 */
+#define APDS9300_DATA1LOW 0x0e /* Low byte of ADC channel 1 */
+
+/* Power on/off value for APDS9300_CONTROL register */
+#define APDS9300_POWER_ON 0x03
+#define APDS9300_POWER_OFF 0x00
+
+/* Interrupts */
+#define APDS9300_INTR_ENABLE 0x10
+/* Interrupt Persist Function: Any value outside of threshold range */
+#define APDS9300_THRESH_INTR 0x01
+
+#define APDS9300_THRESH_MAX 0xffff /* Max threshold value */
+
+struct apds9300_data {
+ struct i2c_client *client;
+ struct mutex mutex;
+ int power_state;
+ int thresh_low;
+ int thresh_hi;
+ int intr_en;
+};
+
+/* Lux calculation */
+
+/* Calculated values 1000 * (CH1/CH0)^1.4 for CH1/CH0 from 0 to 0.52 */
+static const u16 apds9300_lux_ratio[] = {
+ 0, 2, 4, 7, 11, 15, 19, 24, 29, 34, 40, 45, 51, 57, 64, 70, 77, 84, 91,
+ 98, 105, 112, 120, 128, 136, 144, 152, 160, 168, 177, 185, 194, 203,
+ 212, 221, 230, 239, 249, 258, 268, 277, 287, 297, 307, 317, 327, 337,
+ 347, 358, 368, 379, 390, 400,
+};
+
+static unsigned long apds9300_calculate_lux(u16 ch0, u16 ch1)
+{
+ unsigned long lux, tmp;
+
+ /* avoid division by zero */
+ if (ch0 == 0)
+ return 0;
+
+ tmp = DIV_ROUND_UP(ch1 * 100, ch0);
+ if (tmp <= 52) {
+ lux = 3150 * ch0 - (unsigned long)DIV_ROUND_UP_ULL(ch0
+ * apds9300_lux_ratio[tmp] * 5930ull, 1000);
+ } else if (tmp <= 65) {
+ lux = 2290 * ch0 - 2910 * ch1;
+ } else if (tmp <= 80) {
+ lux = 1570 * ch0 - 1800 * ch1;
+ } else if (tmp <= 130) {
+ lux = 338 * ch0 - 260 * ch1;
+ } else {
+ lux = 0;
+ }
+
+ return lux / 100000;
+}
+
+static int apds9300_get_adc_val(struct apds9300_data *data, int adc_number)
+{
+ int ret;
+ u8 flags = APDS9300_CMD | APDS9300_WORD;
+
+ if (!data->power_state)
+ return -EBUSY;
+
+ /* Select ADC0 or ADC1 data register */
+ flags |= adc_number ? APDS9300_DATA1LOW : APDS9300_DATA0LOW;
+
+ ret = i2c_smbus_read_word_data(data->client, flags);
+ if (ret < 0)
+ dev_err(&data->client->dev,
+ "failed to read ADC%d value\n", adc_number);
+
+ return ret;
+}
+
+static int apds9300_set_thresh_low(struct apds9300_data *data, int value)
+{
+ int ret;
+
+ if (!data->power_state)
+ return -EBUSY;
+
+ if (value > APDS9300_THRESH_MAX)
+ return -EINVAL;
+
+ ret = i2c_smbus_write_word_data(data->client, APDS9300_THRESHLOWLOW
+ | APDS9300_CMD | APDS9300_WORD, value);
+ if (ret) {
+ dev_err(&data->client->dev, "failed to set thresh_low\n");
+ return ret;
+ }
+ data->thresh_low = value;
+
+ return 0;
+}
+
+static int apds9300_set_thresh_hi(struct apds9300_data *data, int value)
+{
+ int ret;
+
+ if (!data->power_state)
+ return -EBUSY;
+
+ if (value > APDS9300_THRESH_MAX)
+ return -EINVAL;
+
+ ret = i2c_smbus_write_word_data(data->client, APDS9300_THRESHHIGHLOW
+ | APDS9300_CMD | APDS9300_WORD, value);
+ if (ret) {
+ dev_err(&data->client->dev, "failed to set thresh_hi\n");
+ return ret;
+ }
+ data->thresh_hi = value;
+
+ return 0;
+}
+
+static int apds9300_set_intr_state(struct apds9300_data *data, int state)
+{
+ int ret;
+ u8 cmd;
+
+ if (!data->power_state)
+ return -EBUSY;
+
+ cmd = state ? APDS9300_INTR_ENABLE | APDS9300_THRESH_INTR : 0x00;
+ ret = i2c_smbus_write_byte_data(data->client,
+ APDS9300_INTERRUPT | APDS9300_CMD, cmd);
+ if (ret) {
+ dev_err(&data->client->dev,
+ "failed to set interrupt state %d\n", state);
+ return ret;
+ }
+ data->intr_en = state;
+
+ return 0;
+}
+
+static int apds9300_set_power_state(struct apds9300_data *data, int state)
+{
+ int ret;
+ u8 cmd;
+
+ cmd = state ? APDS9300_POWER_ON : APDS9300_POWER_OFF;
+ ret = i2c_smbus_write_byte_data(data->client,
+ APDS9300_CONTROL | APDS9300_CMD, cmd);
+ if (ret) {
+ dev_err(&data->client->dev,
+ "failed to set power state %d\n", state);
+ return ret;
+ }
+ data->power_state = state;
+
+ return 0;
+}
+
+static void apds9300_clear_intr(struct apds9300_data *data)
+{
+ int ret;
+
+ ret = i2c_smbus_write_byte(data->client, APDS9300_CLEAR | APDS9300_CMD);
+ if (ret < 0)
+ dev_err(&data->client->dev, "failed to clear interrupt\n");
+}
+
+static int apds9300_chip_init(struct apds9300_data *data)
+{
+ int ret;
+
+ /* Need to set power off to ensure that the chip is off */
+ ret = apds9300_set_power_state(data, 0);
+ if (ret < 0)
+ goto err;
+ /*
+ * Probe the chip. To do so we try to power up the device and then to
+ * read back the 0x03 code
+ */
+ ret = apds9300_set_power_state(data, 1);
+ if (ret < 0)
+ goto err;
+ ret = i2c_smbus_read_byte_data(data->client,
+ APDS9300_CONTROL | APDS9300_CMD);
+ if (ret != APDS9300_POWER_ON) {
+ ret = -ENODEV;
+ goto err;
+ }
+ /*
+ * Disable interrupt to ensure thai it is doesn't enable
+ * i.e. after device soft reset
+ */
+ ret = apds9300_set_intr_state(data, 0);
+ if (ret < 0)
+ goto err;
+
+ return 0;
+
+err:
+ dev_err(&data->client->dev, "failed to init the chip\n");
+ return ret;
+}
+
+static int apds9300_read_raw(struct iio_dev *indio_dev,
+ struct iio_chan_spec const *chan, int *val, int *val2,
+ long mask)
+{
+ int ch0, ch1, ret = -EINVAL;
+ struct apds9300_data *data = iio_priv(indio_dev);
+
+ mutex_lock(&data->mutex);
+ switch (chan->type) {
+ case IIO_LIGHT:
+ ch0 = apds9300_get_adc_val(data, 0);
+ if (ch0 < 0) {
+ ret = ch0;
+ break;
+ }
+ ch1 = apds9300_get_adc_val(data, 1);
+ if (ch1 < 0) {
+ ret = ch1;
+ break;
+ }
+ *val = apds9300_calculate_lux(ch0, ch1);
+ ret = IIO_VAL_INT;
+ break;
+ case IIO_INTENSITY:
+ ret = apds9300_get_adc_val(data, chan->channel);
+ if (ret < 0)
+ break;
+ *val = ret;
+ ret = IIO_VAL_INT;
+ break;
+ default:
+ break;
+ }
+ mutex_unlock(&data->mutex);
+
+ return ret;
+}
+
+static int apds9300_read_thresh(struct iio_dev *indio_dev, u64 event_code,
+ int *val)
+{
+ struct apds9300_data *data = iio_priv(indio_dev);
+
+ switch (IIO_EVENT_CODE_EXTRACT_DIR(event_code)) {
+ case IIO_EV_DIR_RISING:
+ *val = data->thresh_hi;
+ break;
+ case IIO_EV_DIR_FALLING:
+ *val = data->thresh_low;
+ break;
+ default:
+ return -EINVAL;
+ }
+
+ return 0;
+}
+
+static int apds9300_write_thresh(struct iio_dev *indio_dev, u64 event_code,
+ int val)
+{
+ struct apds9300_data *data = iio_priv(indio_dev);
+ int ret;
+
+ mutex_lock(&data->mutex);
+ if (IIO_EVENT_CODE_EXTRACT_DIR(event_code) == IIO_EV_DIR_RISING)
+ ret = apds9300_set_thresh_hi(data, val);
+ else
+ ret = apds9300_set_thresh_low(data, val);
+ mutex_unlock(&data->mutex);
+
+ return ret;
+}
+
+static int apds9300_read_interrupt_config(struct iio_dev *indio_dev,
+ u64 event_code)
+{
+ struct apds9300_data *data = iio_priv(indio_dev);
+
+ return data->intr_en;
+}
+
+static int apds9300_write_interrupt_config(struct iio_dev *indio_dev,
+ u64 event_code, int state)
+{
+ struct apds9300_data *data = iio_priv(indio_dev);
+ int ret;
+
+ mutex_lock(&data->mutex);
+ ret = apds9300_set_intr_state(data, state);
+ mutex_unlock(&data->mutex);
+
+ return ret;
+}
+
+static const struct iio_info apds9300_info_no_irq = {
+ .driver_module = THIS_MODULE,
+ .read_raw = apds9300_read_raw,
+};
+
+static const struct iio_info apds9300_info = {
+ .driver_module = THIS_MODULE,
+ .read_raw = apds9300_read_raw,
+ .read_event_value = apds9300_read_thresh,
+ .write_event_value = apds9300_write_thresh,
+ .read_event_config = apds9300_read_interrupt_config,
+ .write_event_config = apds9300_write_interrupt_config,
+};
+
+static const struct iio_chan_spec apds9300_channels[] = {
+ {
+ .type = IIO_LIGHT,
+ .channel = 0,
+ .indexed = true,
+ .info_mask_separate = BIT(IIO_CHAN_INFO_PROCESSED),
+ }, {
+ .type = IIO_INTENSITY,
+ .channel = 0,
+ .channel2 = IIO_MOD_LIGHT_BOTH,
+ .indexed = true,
+ .info_mask_separate = BIT(IIO_CHAN_INFO_RAW),
+ .event_mask = (IIO_EV_BIT(IIO_EV_TYPE_THRESH,
+ IIO_EV_DIR_RISING) |
+ IIO_EV_BIT(IIO_EV_TYPE_THRESH,
+ IIO_EV_DIR_FALLING)),
+ }, {
+ .type = IIO_INTENSITY,
+ .channel = 1,
+ .channel2 = IIO_MOD_LIGHT_IR,
+ .indexed = true,
+ .info_mask_separate = BIT(IIO_CHAN_INFO_RAW),
+ },
+};
+
+static irqreturn_t apds9300_interrupt_handler(int irq, void *private)
+{
+ struct iio_dev *dev_info = private;
+ struct apds9300_data *data = iio_priv(dev_info);
+
+ iio_push_event(dev_info,
+ IIO_UNMOD_EVENT_CODE(IIO_INTENSITY, 0,
+ IIO_EV_TYPE_THRESH,
+ IIO_EV_DIR_EITHER),
+ iio_get_time_ns());
+
+ apds9300_clear_intr(data);
+
+ return IRQ_HANDLED;
+}
+
+static int apds9300_probe(struct i2c_client *client,
+ const struct i2c_device_id *id)
+{
+ struct apds9300_data *data;
+ struct iio_dev *indio_dev;
+ int ret;
+
+ indio_dev = devm_iio_device_alloc(&client->dev, sizeof(*data));
+ if (!indio_dev)
+ return -ENOMEM;
+
+ data = iio_priv(indio_dev);
+ i2c_set_clientdata(client, indio_dev);
+ data->client = client;
+
+ ret = apds9300_chip_init(data);
+ if (ret < 0)
+ goto err;
+
+ mutex_init(&data->mutex);
+
+ indio_dev->dev.parent = &client->dev;
+ indio_dev->channels = apds9300_channels;
+ indio_dev->num_channels = ARRAY_SIZE(apds9300_channels);
+ indio_dev->name = APDS9300_DRV_NAME;
+ indio_dev->modes = INDIO_DIRECT_MODE;
+
+ if (client->irq)
+ indio_dev->info = &apds9300_info;
+ else
+ indio_dev->info = &apds9300_info_no_irq;
+
+ if (client->irq) {
+ ret = devm_request_threaded_irq(&client->dev, client->irq,
+ NULL, apds9300_interrupt_handler,
+ IRQF_TRIGGER_FALLING | IRQF_ONESHOT,
+ APDS9300_IRQ_NAME, indio_dev);
+ if (ret) {
+ dev_err(&client->dev, "irq request error %d\n", -ret);
+ goto err;
+ }
+ }
+
+ ret = iio_device_register(indio_dev);
+ if (ret < 0)
+ goto err;
+
+ return 0;
+
+err:
+ /* Ensure that power off in case of error */
+ apds9300_set_power_state(data, 0);
+ return ret;
+}
+
+static int apds9300_remove(struct i2c_client *client)
+{
+ struct iio_dev *indio_dev = i2c_get_clientdata(client);
+ struct apds9300_data *data = iio_priv(indio_dev);
+
+ iio_device_unregister(indio_dev);
+
+ /* Ensure that power off and interrupts are disabled */
+ apds9300_set_intr_state(data, 0);
+ apds9300_set_power_state(data, 0);
+
+ return 0;
+}
+
+#ifdef CONFIG_PM_SLEEP
+static int apds9300_suspend(struct device *dev)
+{
+ struct iio_dev *indio_dev = i2c_get_clientdata(to_i2c_client(dev));
+ struct apds9300_data *data = iio_priv(indio_dev);
+ int ret;
+
+ mutex_lock(&data->mutex);
+ ret = apds9300_set_power_state(data, 0);
+ mutex_unlock(&data->mutex);
+
+ return ret;
+}
+
+static int apds9300_resume(struct device *dev)
+{
+ struct iio_dev *indio_dev = i2c_get_clientdata(to_i2c_client(dev));
+ struct apds9300_data *data = iio_priv(indio_dev);
+ int ret;
+
+ mutex_lock(&data->mutex);
+ ret = apds9300_set_power_state(data, 1);
+ mutex_unlock(&data->mutex);
+
+ return ret;
+}
+
+static SIMPLE_DEV_PM_OPS(apds9300_pm_ops, apds9300_suspend, apds9300_resume);
+#define APDS9300_PM_OPS (&apds9300_pm_ops)
+#else
+#define APDS9300_PM_OPS NULL
+#endif
+
+static struct i2c_device_id apds9300_id[] = {
+ { APDS9300_DRV_NAME, 0 },
+ { }
+};
+
+MODULE_DEVICE_TABLE(i2c, apds9300_id);
+
+static struct i2c_driver apds9300_driver = {
+ .driver = {
+ .name = APDS9300_DRV_NAME,
+ .owner = THIS_MODULE,
+ .pm = APDS9300_PM_OPS,
+ },
+ .probe = apds9300_probe,
+ .remove = apds9300_remove,
+ .id_table = apds9300_id,
+};
+
+module_i2c_driver(apds9300_driver);
+
+MODULE_AUTHOR("Kravchenko Oleksandr <o.v.kravchenko@globallogic.com>");
+MODULE_AUTHOR("GlobalLogic inc.");
+MODULE_DESCRIPTION("APDS9300 ambient light photo sensor driver");
+MODULE_LICENSE("GPL");
diff --git a/drivers/iio/light/hid-sensor-als.c b/drivers/iio/light/hid-sensor-als.c
index cdc2cad0f01b..e59d00c3139c 100644
--- a/drivers/iio/light/hid-sensor-als.c
+++ b/drivers/iio/light/hid-sensor-als.c
@@ -30,10 +30,6 @@
#include <linux/iio/triggered_buffer.h>
#include "../common/hid-sensors/hid-sensor-trigger.h"
-/*Format: HID-SENSOR-usage_id_in_hex*/
-/*Usage ID from spec for Ambiant-Light: 0x200041*/
-#define DRIVER_NAME "HID-SENSOR-200041"
-
#define CHANNEL_SCAN_INDEX_ILLUM 0
struct als_state {
@@ -158,18 +154,10 @@ static int als_write_raw(struct iio_dev *indio_dev,
return ret;
}
-static int als_write_raw_get_fmt(struct iio_dev *indio_dev,
- struct iio_chan_spec const *chan,
- long mask)
-{
- return IIO_VAL_INT_PLUS_MICRO;
-}
-
static const struct iio_info als_info = {
.driver_module = THIS_MODULE,
.read_raw = &als_read_raw,
.write_raw = &als_write_raw,
- .write_raw_get_fmt = &als_write_raw_get_fmt,
};
/* Function to push data to buffer */
@@ -253,11 +241,9 @@ static int hid_als_probe(struct platform_device *pdev)
struct hid_sensor_hub_device *hsdev = pdev->dev.platform_data;
struct iio_chan_spec *channels;
- indio_dev = iio_device_alloc(sizeof(struct als_state));
- if (indio_dev == NULL) {
- ret = -ENOMEM;
- goto error_ret;
- }
+ indio_dev = devm_iio_device_alloc(&pdev->dev, sizeof(struct als_state));
+ if (!indio_dev)
+ return -ENOMEM;
platform_set_drvdata(pdev, indio_dev);
als_state = iio_priv(indio_dev);
@@ -268,14 +254,13 @@ static int hid_als_probe(struct platform_device *pdev)
&als_state->common_attributes);
if (ret) {
dev_err(&pdev->dev, "failed to setup common attributes\n");
- goto error_free_dev;
+ return ret;
}
channels = kmemdup(als_channels, sizeof(als_channels), GFP_KERNEL);
if (!channels) {
- ret = -ENOMEM;
dev_err(&pdev->dev, "failed to duplicate channels\n");
- goto error_free_dev;
+ return -ENOMEM;
}
ret = als_parse_report(pdev, hsdev, channels,
@@ -333,9 +318,6 @@ error_unreg_buffer_funcs:
iio_triggered_buffer_cleanup(indio_dev);
error_free_dev_mem:
kfree(indio_dev->channels);
-error_free_dev:
- iio_device_free(indio_dev);
-error_ret:
return ret;
}
@@ -350,14 +332,23 @@ static int hid_als_remove(struct platform_device *pdev)
hid_sensor_remove_trigger(indio_dev);
iio_triggered_buffer_cleanup(indio_dev);
kfree(indio_dev->channels);
- iio_device_free(indio_dev);
return 0;
}
+static struct platform_device_id hid_als_ids[] = {
+ {
+ /* Format: HID-SENSOR-usage_id_in_hex_lowercase */
+ .name = "HID-SENSOR-200041",
+ },
+ { /* sentinel */ }
+};
+MODULE_DEVICE_TABLE(platform, hid_als_ids);
+
static struct platform_driver hid_als_platform_driver = {
+ .id_table = hid_als_ids,
.driver = {
- .name = DRIVER_NAME,
+ .name = KBUILD_MODNAME,
.owner = THIS_MODULE,
},
.probe = hid_als_probe,
diff --git a/drivers/iio/light/lm3533-als.c b/drivers/iio/light/lm3533-als.c
index 5fa31a4ef82a..c1aadc6b865a 100644
--- a/drivers/iio/light/lm3533-als.c
+++ b/drivers/iio/light/lm3533-als.c
@@ -847,7 +847,7 @@ static int lm3533_als_probe(struct platform_device *pdev)
return -EINVAL;
}
- indio_dev = iio_device_alloc(sizeof(*als));
+ indio_dev = devm_iio_device_alloc(&pdev->dev, sizeof(*als));
if (!indio_dev)
return -ENOMEM;
@@ -870,7 +870,7 @@ static int lm3533_als_probe(struct platform_device *pdev)
if (als->irq) {
ret = lm3533_als_setup_irq(als, indio_dev);
if (ret)
- goto err_free_dev;
+ return ret;
}
ret = lm3533_als_setup(als, pdata);
@@ -894,8 +894,6 @@ err_disable:
err_free_irq:
if (als->irq)
free_irq(als->irq, indio_dev);
-err_free_dev:
- iio_device_free(indio_dev);
return ret;
}
@@ -910,7 +908,6 @@ static int lm3533_als_remove(struct platform_device *pdev)
lm3533_als_disable(als);
if (als->irq)
free_irq(als->irq, indio_dev);
- iio_device_free(indio_dev);
return 0;
}
diff --git a/drivers/iio/light/tsl2563.c b/drivers/iio/light/tsl2563.c
index 1f529f36f138..ebb962c5c323 100644
--- a/drivers/iio/light/tsl2563.c
+++ b/drivers/iio/light/tsl2563.c
@@ -702,7 +702,7 @@ static int tsl2563_probe(struct i2c_client *client,
int err = 0;
u8 id = 0;
- indio_dev = iio_device_alloc(sizeof(*chip));
+ indio_dev = devm_iio_device_alloc(&client->dev, sizeof(*chip));
if (!indio_dev)
return -ENOMEM;
@@ -714,13 +714,13 @@ static int tsl2563_probe(struct i2c_client *client,
err = tsl2563_detect(chip);
if (err) {
dev_err(&client->dev, "detect error %d\n", -err);
- goto fail1;
+ return err;
}
err = tsl2563_read_id(chip, &id);
if (err) {
dev_err(&client->dev, "read id error %d\n", -err);
- goto fail1;
+ return err;
}
mutex_init(&chip->lock);
@@ -751,7 +751,7 @@ static int tsl2563_probe(struct i2c_client *client,
indio_dev->info = &tsl2563_info_no_irq;
if (client->irq) {
- err = request_threaded_irq(client->irq,
+ err = devm_request_threaded_irq(&client->dev, client->irq,
NULL,
&tsl2563_event_handler,
IRQF_TRIGGER_RISING | IRQF_ONESHOT,
@@ -759,14 +759,14 @@ static int tsl2563_probe(struct i2c_client *client,
indio_dev);
if (err) {
dev_err(&client->dev, "irq request error %d\n", -err);
- goto fail1;
+ return err;
}
}
err = tsl2563_configure(chip);
if (err) {
dev_err(&client->dev, "configure error %d\n", -err);
- goto fail2;
+ return err;
}
INIT_DELAYED_WORK(&chip->poweroff_work, tsl2563_poweroff_work);
@@ -777,19 +777,14 @@ static int tsl2563_probe(struct i2c_client *client,
err = iio_device_register(indio_dev);
if (err) {
dev_err(&client->dev, "iio registration error %d\n", -err);
- goto fail3;
+ goto fail;
}
return 0;
-fail3:
+fail:
cancel_delayed_work(&chip->poweroff_work);
flush_scheduled_work();
-fail2:
- if (client->irq)
- free_irq(client->irq, indio_dev);
-fail1:
- iio_device_free(indio_dev);
return err;
}
@@ -807,10 +802,6 @@ static int tsl2563_remove(struct i2c_client *client)
chip->intr);
flush_scheduled_work();
tsl2563_set_power(chip, 0);
- if (client->irq)
- free_irq(client->irq, indio_dev);
-
- iio_device_free(indio_dev);
return 0;
}
diff --git a/drivers/iio/light/vcnl4000.c b/drivers/iio/light/vcnl4000.c
index 1014943d949a..2bb304215b1d 100644
--- a/drivers/iio/light/vcnl4000.c
+++ b/drivers/iio/light/vcnl4000.c
@@ -157,7 +157,7 @@ static int vcnl4000_probe(struct i2c_client *client,
struct iio_dev *indio_dev;
int ret;
- indio_dev = iio_device_alloc(sizeof(*data));
+ indio_dev = devm_iio_device_alloc(&client->dev, sizeof(*data));
if (!indio_dev)
return -ENOMEM;
@@ -167,7 +167,7 @@ static int vcnl4000_probe(struct i2c_client *client,
ret = i2c_smbus_read_byte_data(data->client, VCNL4000_PROD_REV);
if (ret < 0)
- goto error_free_dev;
+ return ret;
dev_info(&client->dev, "VCNL4000 Ambient light/proximity sensor, Prod %02x, Rev: %02x\n",
ret >> 4, ret & 0xf);
@@ -181,22 +181,14 @@ static int vcnl4000_probe(struct i2c_client *client,
ret = iio_device_register(indio_dev);
if (ret < 0)
- goto error_free_dev;
+ return ret;
return 0;
-
-error_free_dev:
- iio_device_free(indio_dev);
- return ret;
}
static int vcnl4000_remove(struct i2c_client *client)
{
- struct iio_dev *indio_dev = i2c_get_clientdata(client);
-
- iio_device_unregister(indio_dev);
- iio_device_free(indio_dev);
-
+ iio_device_unregister(i2c_get_clientdata(client));
return 0;
}
generated by cgit v1.2.3 (git 2.0.4) at 2024-12-30 20:25:09 +0000