diff options
Diffstat (limited to 'drivers/iio')
-rw-r--r-- | drivers/iio/accel/hid-sensor-accel-3d.c | 13 | ||||
-rw-r--r-- | drivers/iio/adc/at91_adc.c | 8 | ||||
-rw-r--r-- | drivers/iio/adc/twl6030-gpadc.c | 2 | ||||
-rw-r--r-- | drivers/iio/dac/ad5624r_spi.c | 4 | ||||
-rw-r--r-- | drivers/iio/dac/mcp4725.c | 1 | ||||
-rw-r--r-- | drivers/iio/gyro/hid-sensor-gyro-3d.c | 13 | ||||
-rw-r--r-- | drivers/iio/imu/adis16400.h | 1 | ||||
-rw-r--r-- | drivers/iio/imu/adis16400_core.c | 38 | ||||
-rw-r--r-- | drivers/iio/imu/adis16480.c | 39 | ||||
-rw-r--r-- | drivers/iio/imu/adis_buffer.c | 2 | ||||
-rw-r--r-- | drivers/iio/industrialio-buffer.c | 2 | ||||
-rw-r--r-- | drivers/iio/industrialio-event.c | 2 | ||||
-rw-r--r-- | drivers/iio/light/hid-sensor-als.c | 12 | ||||
-rw-r--r-- | drivers/iio/magnetometer/ak8975.c | 4 | ||||
-rw-r--r-- | drivers/iio/pressure/mpl115.c | 2 | ||||
-rw-r--r-- | drivers/iio/temperature/tmp006.c | 3 |
16 files changed, 96 insertions, 50 deletions
diff --git a/drivers/iio/accel/hid-sensor-accel-3d.c b/drivers/iio/accel/hid-sensor-accel-3d.c index d5d95317003a..8ed7c0a70ed2 100644 --- a/drivers/iio/accel/hid-sensor-accel-3d.c +++ b/drivers/iio/accel/hid-sensor-accel-3d.c @@ -305,7 +305,6 @@ static int hid_accel_3d_probe(struct platform_device *pdev) struct iio_dev *indio_dev; struct accel_3d_state *accel_state; struct hid_sensor_hub_device *hsdev = pdev->dev.platform_data; - struct iio_chan_spec *channels; indio_dev = devm_iio_device_alloc(&pdev->dev, sizeof(struct accel_3d_state)); @@ -326,21 +325,21 @@ static int hid_accel_3d_probe(struct platform_device *pdev) return ret; } - channels = kmemdup(accel_3d_channels, sizeof(accel_3d_channels), - GFP_KERNEL); - if (!channels) { + indio_dev->channels = kmemdup(accel_3d_channels, + sizeof(accel_3d_channels), GFP_KERNEL); + if (!indio_dev->channels) { dev_err(&pdev->dev, "failed to duplicate channels\n"); return -ENOMEM; } - ret = accel_3d_parse_report(pdev, hsdev, channels, - HID_USAGE_SENSOR_ACCEL_3D, accel_state); + ret = accel_3d_parse_report(pdev, hsdev, + (struct iio_chan_spec *)indio_dev->channels, + HID_USAGE_SENSOR_ACCEL_3D, accel_state); if (ret) { dev_err(&pdev->dev, "failed to setup attributes\n"); goto error_free_dev_mem; } - indio_dev->channels = channels; indio_dev->num_channels = ARRAY_SIZE(accel_3d_channels); indio_dev->dev.parent = &pdev->dev; indio_dev->info = &accel_3d_info; diff --git a/drivers/iio/adc/at91_adc.c b/drivers/iio/adc/at91_adc.c index ff61ae55dd3f..0047db49ee5e 100644 --- a/drivers/iio/adc/at91_adc.c +++ b/drivers/iio/adc/at91_adc.c @@ -182,7 +182,7 @@ struct at91_adc_caps { u8 ts_pen_detect_sensitivity; /* startup time calculate function */ - u32 (*calc_startup_ticks)(u8 startup_time, u32 adc_clk_khz); + u32 (*calc_startup_ticks)(u32 startup_time, u32 adc_clk_khz); u8 num_channels; struct at91_adc_reg_desc registers; @@ -201,7 +201,7 @@ struct at91_adc_state { u8 num_channels; void __iomem *reg_base; struct at91_adc_reg_desc *registers; - u8 startup_time; + u32 startup_time; u8 sample_hold_time; bool sleep_mode; struct iio_trigger **trig; @@ -780,7 +780,7 @@ ret: return ret; } -static u32 calc_startup_ticks_9260(u8 startup_time, u32 adc_clk_khz) +static u32 calc_startup_ticks_9260(u32 startup_time, u32 adc_clk_khz) { /* * Number of ticks needed to cover the startup time of the ADC @@ -791,7 +791,7 @@ static u32 calc_startup_ticks_9260(u8 startup_time, u32 adc_clk_khz) return round_up((startup_time * adc_clk_khz / 1000) - 1, 8) / 8; } -static u32 calc_startup_ticks_9x5(u8 startup_time, u32 adc_clk_khz) +static u32 calc_startup_ticks_9x5(u32 startup_time, u32 adc_clk_khz) { /* * For sama5d3x and at91sam9x5, the formula changes to: diff --git a/drivers/iio/adc/twl6030-gpadc.c b/drivers/iio/adc/twl6030-gpadc.c index 89d8aa1d2818..df12c57e6ce0 100644 --- a/drivers/iio/adc/twl6030-gpadc.c +++ b/drivers/iio/adc/twl6030-gpadc.c @@ -1001,7 +1001,7 @@ static struct platform_driver twl6030_gpadc_driver = { module_platform_driver(twl6030_gpadc_driver); -MODULE_ALIAS("platform: " DRIVER_NAME); +MODULE_ALIAS("platform:" DRIVER_NAME); MODULE_AUTHOR("Balaji T K <balajitk@ti.com>"); MODULE_AUTHOR("Graeme Gregory <gg@slimlogic.co.uk>"); MODULE_AUTHOR("Oleksandr Kozaruk <oleksandr.kozaruk@ti.com"); diff --git a/drivers/iio/dac/ad5624r_spi.c b/drivers/iio/dac/ad5624r_spi.c index 61bb9d4239ea..e98428df0d44 100644 --- a/drivers/iio/dac/ad5624r_spi.c +++ b/drivers/iio/dac/ad5624r_spi.c @@ -22,7 +22,7 @@ #include "ad5624r.h" static int ad5624r_spi_write(struct spi_device *spi, - u8 cmd, u8 addr, u16 val, u8 len) + u8 cmd, u8 addr, u16 val, u8 shift) { u32 data; u8 msg[3]; @@ -35,7 +35,7 @@ static int ad5624r_spi_write(struct spi_device *spi, * 14-, 12-bit input code followed by 0, 2, or 4 don't care bits, * for the AD5664R, AD5644R, and AD5624R, respectively. */ - data = (0 << 22) | (cmd << 19) | (addr << 16) | (val << (16 - len)); + data = (0 << 22) | (cmd << 19) | (addr << 16) | (val << shift); msg[0] = data >> 16; msg[1] = data >> 8; msg[2] = data; diff --git a/drivers/iio/dac/mcp4725.c b/drivers/iio/dac/mcp4725.c index 43d14588448d..b4dde8315210 100644 --- a/drivers/iio/dac/mcp4725.c +++ b/drivers/iio/dac/mcp4725.c @@ -300,6 +300,7 @@ static int mcp4725_probe(struct i2c_client *client, data->client = client; indio_dev->dev.parent = &client->dev; + indio_dev->name = id->name; indio_dev->info = &mcp4725_info; indio_dev->channels = &mcp4725_channel; indio_dev->num_channels = 1; diff --git a/drivers/iio/gyro/hid-sensor-gyro-3d.c b/drivers/iio/gyro/hid-sensor-gyro-3d.c index a3ea1e8785d7..c23c36bf99b5 100644 --- a/drivers/iio/gyro/hid-sensor-gyro-3d.c +++ b/drivers/iio/gyro/hid-sensor-gyro-3d.c @@ -304,7 +304,6 @@ static int hid_gyro_3d_probe(struct platform_device *pdev) struct iio_dev *indio_dev; struct gyro_3d_state *gyro_state; struct hid_sensor_hub_device *hsdev = pdev->dev.platform_data; - struct iio_chan_spec *channels; indio_dev = devm_iio_device_alloc(&pdev->dev, sizeof(*gyro_state)); if (!indio_dev) @@ -323,21 +322,21 @@ static int hid_gyro_3d_probe(struct platform_device *pdev) return ret; } - channels = kmemdup(gyro_3d_channels, sizeof(gyro_3d_channels), - GFP_KERNEL); - if (!channels) { + indio_dev->channels = kmemdup(gyro_3d_channels, + sizeof(gyro_3d_channels), GFP_KERNEL); + if (!indio_dev->channels) { dev_err(&pdev->dev, "failed to duplicate channels\n"); return -ENOMEM; } - ret = gyro_3d_parse_report(pdev, hsdev, channels, - HID_USAGE_SENSOR_GYRO_3D, gyro_state); + ret = gyro_3d_parse_report(pdev, hsdev, + (struct iio_chan_spec *)indio_dev->channels, + HID_USAGE_SENSOR_GYRO_3D, gyro_state); if (ret) { dev_err(&pdev->dev, "failed to setup attributes\n"); goto error_free_dev_mem; } - indio_dev->channels = channels; indio_dev->num_channels = ARRAY_SIZE(gyro_3d_channels); indio_dev->dev.parent = &pdev->dev; indio_dev->info = &gyro_3d_info; diff --git a/drivers/iio/imu/adis16400.h b/drivers/iio/imu/adis16400.h index 0916bf6b6c31..1e8fd2e81d45 100644 --- a/drivers/iio/imu/adis16400.h +++ b/drivers/iio/imu/adis16400.h @@ -165,6 +165,7 @@ struct adis16400_state { int filt_int; struct adis adis; + unsigned long avail_scan_mask[2]; }; /* At the moment triggers are only used for ring buffer diff --git a/drivers/iio/imu/adis16400_core.c b/drivers/iio/imu/adis16400_core.c index fa795dcd5f75..7b06e058b000 100644 --- a/drivers/iio/imu/adis16400_core.c +++ b/drivers/iio/imu/adis16400_core.c @@ -405,6 +405,11 @@ static int adis16400_read_raw(struct iio_dev *indio_dev, *val = st->variant->temp_scale_nano / 1000000; *val2 = (st->variant->temp_scale_nano % 1000000); return IIO_VAL_INT_PLUS_MICRO; + case IIO_PRESSURE: + /* 20 uBar = 0.002kPascal */ + *val = 0; + *val2 = 2000; + return IIO_VAL_INT_PLUS_MICRO; default: return -EINVAL; } @@ -454,10 +459,10 @@ static int adis16400_read_raw(struct iio_dev *indio_dev, } } -#define ADIS16400_VOLTAGE_CHAN(addr, bits, name, si) { \ +#define ADIS16400_VOLTAGE_CHAN(addr, bits, name, si, chn) { \ .type = IIO_VOLTAGE, \ .indexed = 1, \ - .channel = 0, \ + .channel = chn, \ .extend_name = name, \ .info_mask_separate = BIT(IIO_CHAN_INFO_RAW) | \ BIT(IIO_CHAN_INFO_SCALE), \ @@ -474,10 +479,10 @@ static int adis16400_read_raw(struct iio_dev *indio_dev, } #define ADIS16400_SUPPLY_CHAN(addr, bits) \ - ADIS16400_VOLTAGE_CHAN(addr, bits, "supply", ADIS16400_SCAN_SUPPLY) + ADIS16400_VOLTAGE_CHAN(addr, bits, "supply", ADIS16400_SCAN_SUPPLY, 0) #define ADIS16400_AUX_ADC_CHAN(addr, bits) \ - ADIS16400_VOLTAGE_CHAN(addr, bits, NULL, ADIS16400_SCAN_ADC) + ADIS16400_VOLTAGE_CHAN(addr, bits, NULL, ADIS16400_SCAN_ADC, 1) #define ADIS16400_GYRO_CHAN(mod, addr, bits) { \ .type = IIO_ANGL_VEL, \ @@ -791,11 +796,6 @@ static const struct iio_info adis16400_info = { .debugfs_reg_access = adis_debugfs_reg_access, }; -static const unsigned long adis16400_burst_scan_mask[] = { - ~0UL, - 0, -}; - static const char * const adis16400_status_error_msgs[] = { [ADIS16400_DIAG_STAT_ZACCL_FAIL] = "Z-axis accelerometer self-test failure", [ADIS16400_DIAG_STAT_YACCL_FAIL] = "Y-axis accelerometer self-test failure", @@ -843,6 +843,20 @@ static const struct adis_data adis16400_data = { BIT(ADIS16400_DIAG_STAT_POWER_LOW), }; +static void adis16400_setup_chan_mask(struct adis16400_state *st) +{ + const struct adis16400_chip_info *chip_info = st->variant; + unsigned i; + + for (i = 0; i < chip_info->num_channels; i++) { + const struct iio_chan_spec *ch = &chip_info->channels[i]; + + if (ch->scan_index >= 0 && + ch->scan_index != ADIS16400_SCAN_TIMESTAMP) + st->avail_scan_mask[0] |= BIT(ch->scan_index); + } +} + static int adis16400_probe(struct spi_device *spi) { struct adis16400_state *st; @@ -866,8 +880,10 @@ static int adis16400_probe(struct spi_device *spi) indio_dev->info = &adis16400_info; indio_dev->modes = INDIO_DIRECT_MODE; - if (!(st->variant->flags & ADIS16400_NO_BURST)) - indio_dev->available_scan_masks = adis16400_burst_scan_mask; + if (!(st->variant->flags & ADIS16400_NO_BURST)) { + adis16400_setup_chan_mask(st); + indio_dev->available_scan_masks = st->avail_scan_mask; + } ret = adis_init(&st->adis, indio_dev, spi, &adis16400_data); if (ret) diff --git a/drivers/iio/imu/adis16480.c b/drivers/iio/imu/adis16480.c index 989605dd6f78..b94bfd3f595b 100644 --- a/drivers/iio/imu/adis16480.c +++ b/drivers/iio/imu/adis16480.c @@ -110,6 +110,10 @@ struct adis16480_chip_info { unsigned int num_channels; const struct iio_chan_spec *channels; + unsigned int gyro_max_val; + unsigned int gyro_max_scale; + unsigned int accel_max_val; + unsigned int accel_max_scale; }; struct adis16480 { @@ -497,19 +501,21 @@ static int adis16480_set_filter_freq(struct iio_dev *indio_dev, static int adis16480_read_raw(struct iio_dev *indio_dev, const struct iio_chan_spec *chan, int *val, int *val2, long info) { + struct adis16480 *st = iio_priv(indio_dev); + switch (info) { case IIO_CHAN_INFO_RAW: return adis_single_conversion(indio_dev, chan, 0, val); case IIO_CHAN_INFO_SCALE: switch (chan->type) { case IIO_ANGL_VEL: - *val = 0; - *val2 = IIO_DEGREE_TO_RAD(20000); /* 0.02 degree/sec */ - return IIO_VAL_INT_PLUS_MICRO; + *val = st->chip_info->gyro_max_scale; + *val2 = st->chip_info->gyro_max_val; + return IIO_VAL_FRACTIONAL; case IIO_ACCEL: - *val = 0; - *val2 = IIO_G_TO_M_S_2(800); /* 0.8 mg */ - return IIO_VAL_INT_PLUS_MICRO; + *val = st->chip_info->accel_max_scale; + *val2 = st->chip_info->accel_max_val; + return IIO_VAL_FRACTIONAL; case IIO_MAGN: *val = 0; *val2 = 100; /* 0.0001 gauss */ @@ -674,18 +680,39 @@ static const struct adis16480_chip_info adis16480_chip_info[] = { [ADIS16375] = { .channels = adis16485_channels, .num_channels = ARRAY_SIZE(adis16485_channels), + /* + * storing the value in rad/degree and the scale in degree + * gives us the result in rad and better precession than + * storing the scale directly in rad. + */ + .gyro_max_val = IIO_RAD_TO_DEGREE(22887), + .gyro_max_scale = 300, + .accel_max_val = IIO_M_S_2_TO_G(21973), + .accel_max_scale = 18, }, [ADIS16480] = { .channels = adis16480_channels, .num_channels = ARRAY_SIZE(adis16480_channels), + .gyro_max_val = IIO_RAD_TO_DEGREE(22500), + .gyro_max_scale = 450, + .accel_max_val = IIO_M_S_2_TO_G(12500), + .accel_max_scale = 5, }, [ADIS16485] = { .channels = adis16485_channels, .num_channels = ARRAY_SIZE(adis16485_channels), + .gyro_max_val = IIO_RAD_TO_DEGREE(22500), + .gyro_max_scale = 450, + .accel_max_val = IIO_M_S_2_TO_G(20000), + .accel_max_scale = 5, }, [ADIS16488] = { .channels = adis16480_channels, .num_channels = ARRAY_SIZE(adis16480_channels), + .gyro_max_val = IIO_RAD_TO_DEGREE(22500), + .gyro_max_scale = 450, + .accel_max_val = IIO_M_S_2_TO_G(22500), + .accel_max_scale = 18, }, }; diff --git a/drivers/iio/imu/adis_buffer.c b/drivers/iio/imu/adis_buffer.c index cb32b593f1c5..36607d52fee0 100644 --- a/drivers/iio/imu/adis_buffer.c +++ b/drivers/iio/imu/adis_buffer.c @@ -43,7 +43,7 @@ int adis_update_scan_mode(struct iio_dev *indio_dev, return -ENOMEM; rx = adis->buffer; - tx = rx + indio_dev->scan_bytes; + tx = rx + scan_count; spi_message_init(&adis->msg); diff --git a/drivers/iio/industrialio-buffer.c b/drivers/iio/industrialio-buffer.c index f971f79103ec..25c68de393ad 100644 --- a/drivers/iio/industrialio-buffer.c +++ b/drivers/iio/industrialio-buffer.c @@ -93,7 +93,7 @@ unsigned int iio_buffer_poll(struct file *filp, struct iio_buffer *rb = indio_dev->buffer; if (!indio_dev->info) - return -ENODEV; + return 0; poll_wait(filp, &rb->pollq, wait); if (iio_buffer_data_available(rb)) diff --git a/drivers/iio/industrialio-event.c b/drivers/iio/industrialio-event.c index 35c02aeec75e..158a760ada12 100644 --- a/drivers/iio/industrialio-event.c +++ b/drivers/iio/industrialio-event.c @@ -84,7 +84,7 @@ static unsigned int iio_event_poll(struct file *filep, unsigned int events = 0; if (!indio_dev->info) - return -ENODEV; + return events; poll_wait(filep, &ev_int->wait, wait); diff --git a/drivers/iio/light/hid-sensor-als.c b/drivers/iio/light/hid-sensor-als.c index a5283d75c096..9c44fe02e62e 100644 --- a/drivers/iio/light/hid-sensor-als.c +++ b/drivers/iio/light/hid-sensor-als.c @@ -270,7 +270,6 @@ static int hid_als_probe(struct platform_device *pdev) struct iio_dev *indio_dev; struct als_state *als_state; struct hid_sensor_hub_device *hsdev = pdev->dev.platform_data; - struct iio_chan_spec *channels; indio_dev = devm_iio_device_alloc(&pdev->dev, sizeof(struct als_state)); if (!indio_dev) @@ -288,20 +287,21 @@ static int hid_als_probe(struct platform_device *pdev) return ret; } - channels = kmemdup(als_channels, sizeof(als_channels), GFP_KERNEL); - if (!channels) { + indio_dev->channels = kmemdup(als_channels, + sizeof(als_channels), GFP_KERNEL); + if (!indio_dev->channels) { dev_err(&pdev->dev, "failed to duplicate channels\n"); return -ENOMEM; } - ret = als_parse_report(pdev, hsdev, channels, - HID_USAGE_SENSOR_ALS, als_state); + ret = als_parse_report(pdev, hsdev, + (struct iio_chan_spec *)indio_dev->channels, + HID_USAGE_SENSOR_ALS, als_state); if (ret) { dev_err(&pdev->dev, "failed to setup attributes\n"); goto error_free_dev_mem; } - indio_dev->channels = channels; indio_dev->num_channels = ARRAY_SIZE(als_channels); indio_dev->dev.parent = &pdev->dev; diff --git a/drivers/iio/magnetometer/ak8975.c b/drivers/iio/magnetometer/ak8975.c index bf5ef077e791..f03c3bf9a780 100644 --- a/drivers/iio/magnetometer/ak8975.c +++ b/drivers/iio/magnetometer/ak8975.c @@ -160,6 +160,8 @@ static int ak8975_setup_irq(struct ak8975_data *data) int rc; int irq; + init_waitqueue_head(&data->data_ready_queue); + clear_bit(0, &data->flags); if (client->irq) irq = client->irq; else @@ -175,8 +177,6 @@ static int ak8975_setup_irq(struct ak8975_data *data) return rc; } - init_waitqueue_head(&data->data_ready_queue); - clear_bit(0, &data->flags); data->eoc_irq = irq; return rc; diff --git a/drivers/iio/pressure/mpl115.c b/drivers/iio/pressure/mpl115.c index f5ecd6e19f5d..a0d7deeac62f 100644 --- a/drivers/iio/pressure/mpl115.c +++ b/drivers/iio/pressure/mpl115.c @@ -117,7 +117,7 @@ static int mpl115_read_raw(struct iio_dev *indio_dev, *val = ret >> 6; return IIO_VAL_INT; case IIO_CHAN_INFO_OFFSET: - *val = 605; + *val = -605; *val2 = 750000; return IIO_VAL_INT_PLUS_MICRO; case IIO_CHAN_INFO_SCALE: diff --git a/drivers/iio/temperature/tmp006.c b/drivers/iio/temperature/tmp006.c index 84a0789c3d96..7a8050996b4e 100644 --- a/drivers/iio/temperature/tmp006.c +++ b/drivers/iio/temperature/tmp006.c @@ -132,6 +132,9 @@ static int tmp006_write_raw(struct iio_dev *indio_dev, struct tmp006_data *data = iio_priv(indio_dev); int i; + if (mask != IIO_CHAN_INFO_SAMP_FREQ) + return -EINVAL; + for (i = 0; i < ARRAY_SIZE(tmp006_freqs); i++) if ((val == tmp006_freqs[i][0]) && (val2 == tmp006_freqs[i][1])) { |