Denis Ciocca | 7be56a8 | 2013-01-25 23:44:00 +0000 | [diff] [blame] | 1 | /* |
| 2 | * STMicroelectronics gyroscopes driver |
| 3 | * |
| 4 | * Copyright 2012-2013 STMicroelectronics Inc. |
| 5 | * |
| 6 | * Denis Ciocca <denis.ciocca@st.com> |
| 7 | * |
| 8 | * Licensed under the GPL-2. |
| 9 | */ |
| 10 | |
| 11 | #include <linux/kernel.h> |
| 12 | #include <linux/module.h> |
| 13 | #include <linux/slab.h> |
| 14 | #include <linux/errno.h> |
| 15 | #include <linux/types.h> |
| 16 | #include <linux/mutex.h> |
| 17 | #include <linux/interrupt.h> |
| 18 | #include <linux/i2c.h> |
| 19 | #include <linux/gpio.h> |
| 20 | #include <linux/irq.h> |
| 21 | #include <linux/delay.h> |
| 22 | #include <linux/iio/iio.h> |
| 23 | #include <linux/iio/sysfs.h> |
Jonathan Cameron | 8ce4a56 | 2013-02-09 10:49:00 +0000 | [diff] [blame] | 24 | #include <linux/iio/trigger.h> |
Denis Ciocca | 7be56a8 | 2013-01-25 23:44:00 +0000 | [diff] [blame] | 25 | #include <linux/iio/buffer.h> |
| 26 | |
| 27 | #include <linux/iio/common/st_sensors.h> |
| 28 | #include "st_gyro.h" |
| 29 | |
Denis CIOCCA | 607a568 | 2013-06-03 15:58:00 +0100 | [diff] [blame] | 30 | #define ST_GYRO_NUMBER_DATA_CHANNELS 3 |
| 31 | |
Denis Ciocca | 7be56a8 | 2013-01-25 23:44:00 +0000 | [diff] [blame] | 32 | /* DEFAULT VALUE FOR SENSORS */ |
| 33 | #define ST_GYRO_DEFAULT_OUT_X_L_ADDR 0x28 |
| 34 | #define ST_GYRO_DEFAULT_OUT_Y_L_ADDR 0x2a |
| 35 | #define ST_GYRO_DEFAULT_OUT_Z_L_ADDR 0x2c |
| 36 | |
| 37 | /* FULLSCALE */ |
| 38 | #define ST_GYRO_FS_AVL_250DPS 250 |
| 39 | #define ST_GYRO_FS_AVL_500DPS 500 |
| 40 | #define ST_GYRO_FS_AVL_2000DPS 2000 |
| 41 | |
| 42 | /* CUSTOM VALUES FOR SENSOR 1 */ |
| 43 | #define ST_GYRO_1_WAI_EXP 0xd3 |
| 44 | #define ST_GYRO_1_ODR_ADDR 0x20 |
| 45 | #define ST_GYRO_1_ODR_MASK 0xc0 |
| 46 | #define ST_GYRO_1_ODR_AVL_100HZ_VAL 0x00 |
| 47 | #define ST_GYRO_1_ODR_AVL_200HZ_VAL 0x01 |
| 48 | #define ST_GYRO_1_ODR_AVL_400HZ_VAL 0x02 |
| 49 | #define ST_GYRO_1_ODR_AVL_800HZ_VAL 0x03 |
| 50 | #define ST_GYRO_1_PW_ADDR 0x20 |
| 51 | #define ST_GYRO_1_PW_MASK 0x08 |
| 52 | #define ST_GYRO_1_FS_ADDR 0x23 |
| 53 | #define ST_GYRO_1_FS_MASK 0x30 |
| 54 | #define ST_GYRO_1_FS_AVL_250_VAL 0x00 |
| 55 | #define ST_GYRO_1_FS_AVL_500_VAL 0x01 |
| 56 | #define ST_GYRO_1_FS_AVL_2000_VAL 0x02 |
| 57 | #define ST_GYRO_1_FS_AVL_250_GAIN IIO_DEGREE_TO_RAD(8750) |
| 58 | #define ST_GYRO_1_FS_AVL_500_GAIN IIO_DEGREE_TO_RAD(17500) |
| 59 | #define ST_GYRO_1_FS_AVL_2000_GAIN IIO_DEGREE_TO_RAD(70000) |
| 60 | #define ST_GYRO_1_BDU_ADDR 0x23 |
| 61 | #define ST_GYRO_1_BDU_MASK 0x80 |
| 62 | #define ST_GYRO_1_DRDY_IRQ_ADDR 0x22 |
Denis CIOCCA | 23cde4d | 2013-06-19 09:28:00 +0100 | [diff] [blame] | 63 | #define ST_GYRO_1_DRDY_IRQ_INT2_MASK 0x08 |
Denis Ciocca | 7be56a8 | 2013-01-25 23:44:00 +0000 | [diff] [blame] | 64 | #define ST_GYRO_1_MULTIREAD_BIT true |
| 65 | |
| 66 | /* CUSTOM VALUES FOR SENSOR 2 */ |
| 67 | #define ST_GYRO_2_WAI_EXP 0xd4 |
| 68 | #define ST_GYRO_2_ODR_ADDR 0x20 |
| 69 | #define ST_GYRO_2_ODR_MASK 0xc0 |
| 70 | #define ST_GYRO_2_ODR_AVL_95HZ_VAL 0x00 |
| 71 | #define ST_GYRO_2_ODR_AVL_190HZ_VAL 0x01 |
| 72 | #define ST_GYRO_2_ODR_AVL_380HZ_VAL 0x02 |
| 73 | #define ST_GYRO_2_ODR_AVL_760HZ_VAL 0x03 |
| 74 | #define ST_GYRO_2_PW_ADDR 0x20 |
| 75 | #define ST_GYRO_2_PW_MASK 0x08 |
| 76 | #define ST_GYRO_2_FS_ADDR 0x23 |
| 77 | #define ST_GYRO_2_FS_MASK 0x30 |
| 78 | #define ST_GYRO_2_FS_AVL_250_VAL 0x00 |
| 79 | #define ST_GYRO_2_FS_AVL_500_VAL 0x01 |
| 80 | #define ST_GYRO_2_FS_AVL_2000_VAL 0x02 |
| 81 | #define ST_GYRO_2_FS_AVL_250_GAIN IIO_DEGREE_TO_RAD(8750) |
| 82 | #define ST_GYRO_2_FS_AVL_500_GAIN IIO_DEGREE_TO_RAD(17500) |
| 83 | #define ST_GYRO_2_FS_AVL_2000_GAIN IIO_DEGREE_TO_RAD(70000) |
| 84 | #define ST_GYRO_2_BDU_ADDR 0x23 |
| 85 | #define ST_GYRO_2_BDU_MASK 0x80 |
| 86 | #define ST_GYRO_2_DRDY_IRQ_ADDR 0x22 |
Denis CIOCCA | 23cde4d | 2013-06-19 09:28:00 +0100 | [diff] [blame] | 87 | #define ST_GYRO_2_DRDY_IRQ_INT2_MASK 0x08 |
Denis Ciocca | 7be56a8 | 2013-01-25 23:44:00 +0000 | [diff] [blame] | 88 | #define ST_GYRO_2_MULTIREAD_BIT true |
| 89 | |
| 90 | static const struct iio_chan_spec st_gyro_16bit_channels[] = { |
Denis CIOCCA | 762011d | 2013-06-03 15:58:00 +0100 | [diff] [blame] | 91 | ST_SENSORS_LSM_CHANNELS(IIO_ANGL_VEL, |
| 92 | BIT(IIO_CHAN_INFO_RAW) | BIT(IIO_CHAN_INFO_SCALE), |
| 93 | ST_SENSORS_SCAN_X, 1, IIO_MOD_X, 's', IIO_LE, 16, 16, |
| 94 | ST_GYRO_DEFAULT_OUT_X_L_ADDR), |
| 95 | ST_SENSORS_LSM_CHANNELS(IIO_ANGL_VEL, |
| 96 | BIT(IIO_CHAN_INFO_RAW) | BIT(IIO_CHAN_INFO_SCALE), |
| 97 | ST_SENSORS_SCAN_Y, 1, IIO_MOD_Y, 's', IIO_LE, 16, 16, |
| 98 | ST_GYRO_DEFAULT_OUT_Y_L_ADDR), |
| 99 | ST_SENSORS_LSM_CHANNELS(IIO_ANGL_VEL, |
| 100 | BIT(IIO_CHAN_INFO_RAW) | BIT(IIO_CHAN_INFO_SCALE), |
| 101 | ST_SENSORS_SCAN_Z, 1, IIO_MOD_Z, 's', IIO_LE, 16, 16, |
| 102 | ST_GYRO_DEFAULT_OUT_Z_L_ADDR), |
Denis Ciocca | 7be56a8 | 2013-01-25 23:44:00 +0000 | [diff] [blame] | 103 | IIO_CHAN_SOFT_TIMESTAMP(3) |
| 104 | }; |
| 105 | |
| 106 | static const struct st_sensors st_gyro_sensors[] = { |
| 107 | { |
| 108 | .wai = ST_GYRO_1_WAI_EXP, |
| 109 | .sensors_supported = { |
| 110 | [0] = L3G4200D_GYRO_DEV_NAME, |
| 111 | [1] = LSM330DL_GYRO_DEV_NAME, |
| 112 | }, |
| 113 | .ch = (struct iio_chan_spec *)st_gyro_16bit_channels, |
| 114 | .odr = { |
| 115 | .addr = ST_GYRO_1_ODR_ADDR, |
| 116 | .mask = ST_GYRO_1_ODR_MASK, |
| 117 | .odr_avl = { |
| 118 | { 100, ST_GYRO_1_ODR_AVL_100HZ_VAL, }, |
| 119 | { 200, ST_GYRO_1_ODR_AVL_200HZ_VAL, }, |
| 120 | { 400, ST_GYRO_1_ODR_AVL_400HZ_VAL, }, |
| 121 | { 800, ST_GYRO_1_ODR_AVL_800HZ_VAL, }, |
| 122 | }, |
| 123 | }, |
| 124 | .pw = { |
| 125 | .addr = ST_GYRO_1_PW_ADDR, |
| 126 | .mask = ST_GYRO_1_PW_MASK, |
| 127 | .value_on = ST_SENSORS_DEFAULT_POWER_ON_VALUE, |
| 128 | .value_off = ST_SENSORS_DEFAULT_POWER_OFF_VALUE, |
| 129 | }, |
| 130 | .enable_axis = { |
| 131 | .addr = ST_SENSORS_DEFAULT_AXIS_ADDR, |
| 132 | .mask = ST_SENSORS_DEFAULT_AXIS_MASK, |
| 133 | }, |
| 134 | .fs = { |
| 135 | .addr = ST_GYRO_1_FS_ADDR, |
| 136 | .mask = ST_GYRO_1_FS_MASK, |
| 137 | .fs_avl = { |
| 138 | [0] = { |
| 139 | .num = ST_GYRO_FS_AVL_250DPS, |
| 140 | .value = ST_GYRO_1_FS_AVL_250_VAL, |
| 141 | .gain = ST_GYRO_1_FS_AVL_250_GAIN, |
| 142 | }, |
| 143 | [1] = { |
| 144 | .num = ST_GYRO_FS_AVL_500DPS, |
| 145 | .value = ST_GYRO_1_FS_AVL_500_VAL, |
| 146 | .gain = ST_GYRO_1_FS_AVL_500_GAIN, |
| 147 | }, |
| 148 | [2] = { |
| 149 | .num = ST_GYRO_FS_AVL_2000DPS, |
| 150 | .value = ST_GYRO_1_FS_AVL_2000_VAL, |
| 151 | .gain = ST_GYRO_1_FS_AVL_2000_GAIN, |
| 152 | }, |
| 153 | }, |
| 154 | }, |
| 155 | .bdu = { |
| 156 | .addr = ST_GYRO_1_BDU_ADDR, |
| 157 | .mask = ST_GYRO_1_BDU_MASK, |
| 158 | }, |
| 159 | .drdy_irq = { |
| 160 | .addr = ST_GYRO_1_DRDY_IRQ_ADDR, |
Denis CIOCCA | 23cde4d | 2013-06-19 09:28:00 +0100 | [diff] [blame] | 161 | .mask_int2 = ST_GYRO_1_DRDY_IRQ_INT2_MASK, |
Denis Ciocca | 7be56a8 | 2013-01-25 23:44:00 +0000 | [diff] [blame] | 162 | }, |
| 163 | .multi_read_bit = ST_GYRO_1_MULTIREAD_BIT, |
| 164 | .bootime = 2, |
| 165 | }, |
| 166 | { |
| 167 | .wai = ST_GYRO_2_WAI_EXP, |
| 168 | .sensors_supported = { |
| 169 | [0] = L3GD20_GYRO_DEV_NAME, |
Denis CIOCCA | a065771 | 2014-02-14 14:15:00 +0000 | [diff] [blame] | 170 | [1] = LSM330D_GYRO_DEV_NAME, |
| 171 | [2] = LSM330DLC_GYRO_DEV_NAME, |
| 172 | [3] = L3G4IS_GYRO_DEV_NAME, |
| 173 | [4] = LSM330_GYRO_DEV_NAME, |
Denis Ciocca | 7be56a8 | 2013-01-25 23:44:00 +0000 | [diff] [blame] | 174 | }, |
| 175 | .ch = (struct iio_chan_spec *)st_gyro_16bit_channels, |
| 176 | .odr = { |
| 177 | .addr = ST_GYRO_2_ODR_ADDR, |
| 178 | .mask = ST_GYRO_2_ODR_MASK, |
| 179 | .odr_avl = { |
| 180 | { 95, ST_GYRO_2_ODR_AVL_95HZ_VAL, }, |
| 181 | { 190, ST_GYRO_2_ODR_AVL_190HZ_VAL, }, |
| 182 | { 380, ST_GYRO_2_ODR_AVL_380HZ_VAL, }, |
| 183 | { 760, ST_GYRO_2_ODR_AVL_760HZ_VAL, }, |
| 184 | }, |
| 185 | }, |
| 186 | .pw = { |
| 187 | .addr = ST_GYRO_2_PW_ADDR, |
| 188 | .mask = ST_GYRO_2_PW_MASK, |
| 189 | .value_on = ST_SENSORS_DEFAULT_POWER_ON_VALUE, |
| 190 | .value_off = ST_SENSORS_DEFAULT_POWER_OFF_VALUE, |
| 191 | }, |
| 192 | .enable_axis = { |
| 193 | .addr = ST_SENSORS_DEFAULT_AXIS_ADDR, |
| 194 | .mask = ST_SENSORS_DEFAULT_AXIS_MASK, |
| 195 | }, |
| 196 | .fs = { |
| 197 | .addr = ST_GYRO_2_FS_ADDR, |
| 198 | .mask = ST_GYRO_2_FS_MASK, |
| 199 | .fs_avl = { |
| 200 | [0] = { |
| 201 | .num = ST_GYRO_FS_AVL_250DPS, |
| 202 | .value = ST_GYRO_2_FS_AVL_250_VAL, |
| 203 | .gain = ST_GYRO_2_FS_AVL_250_GAIN, |
| 204 | }, |
| 205 | [1] = { |
| 206 | .num = ST_GYRO_FS_AVL_500DPS, |
| 207 | .value = ST_GYRO_2_FS_AVL_500_VAL, |
| 208 | .gain = ST_GYRO_2_FS_AVL_500_GAIN, |
| 209 | }, |
| 210 | [2] = { |
| 211 | .num = ST_GYRO_FS_AVL_2000DPS, |
| 212 | .value = ST_GYRO_2_FS_AVL_2000_VAL, |
| 213 | .gain = ST_GYRO_2_FS_AVL_2000_GAIN, |
| 214 | }, |
| 215 | }, |
| 216 | }, |
| 217 | .bdu = { |
| 218 | .addr = ST_GYRO_2_BDU_ADDR, |
| 219 | .mask = ST_GYRO_2_BDU_MASK, |
| 220 | }, |
| 221 | .drdy_irq = { |
| 222 | .addr = ST_GYRO_2_DRDY_IRQ_ADDR, |
Denis CIOCCA | 23cde4d | 2013-06-19 09:28:00 +0100 | [diff] [blame] | 223 | .mask_int2 = ST_GYRO_2_DRDY_IRQ_INT2_MASK, |
Denis Ciocca | 7be56a8 | 2013-01-25 23:44:00 +0000 | [diff] [blame] | 224 | }, |
| 225 | .multi_read_bit = ST_GYRO_2_MULTIREAD_BIT, |
| 226 | .bootime = 2, |
| 227 | }, |
| 228 | }; |
| 229 | |
| 230 | static int st_gyro_read_raw(struct iio_dev *indio_dev, |
| 231 | struct iio_chan_spec const *ch, int *val, |
| 232 | int *val2, long mask) |
| 233 | { |
| 234 | int err; |
| 235 | struct st_sensor_data *gdata = iio_priv(indio_dev); |
| 236 | |
| 237 | switch (mask) { |
| 238 | case IIO_CHAN_INFO_RAW: |
| 239 | err = st_sensors_read_info_raw(indio_dev, ch, val); |
| 240 | if (err < 0) |
| 241 | goto read_error; |
| 242 | |
| 243 | return IIO_VAL_INT; |
| 244 | case IIO_CHAN_INFO_SCALE: |
| 245 | *val = 0; |
| 246 | *val2 = gdata->current_fullscale->gain; |
| 247 | return IIO_VAL_INT_PLUS_MICRO; |
| 248 | default: |
| 249 | return -EINVAL; |
| 250 | } |
| 251 | |
| 252 | read_error: |
| 253 | return err; |
| 254 | } |
| 255 | |
| 256 | static int st_gyro_write_raw(struct iio_dev *indio_dev, |
| 257 | struct iio_chan_spec const *chan, int val, int val2, long mask) |
| 258 | { |
| 259 | int err; |
| 260 | |
| 261 | switch (mask) { |
| 262 | case IIO_CHAN_INFO_SCALE: |
| 263 | err = st_sensors_set_fullscale_by_gain(indio_dev, val2); |
| 264 | break; |
| 265 | default: |
| 266 | err = -EINVAL; |
| 267 | } |
| 268 | |
| 269 | return err; |
| 270 | } |
| 271 | |
| 272 | static ST_SENSOR_DEV_ATTR_SAMP_FREQ(); |
| 273 | static ST_SENSORS_DEV_ATTR_SAMP_FREQ_AVAIL(); |
| 274 | static ST_SENSORS_DEV_ATTR_SCALE_AVAIL(in_anglvel_scale_available); |
| 275 | |
| 276 | static struct attribute *st_gyro_attributes[] = { |
| 277 | &iio_dev_attr_sampling_frequency_available.dev_attr.attr, |
| 278 | &iio_dev_attr_in_anglvel_scale_available.dev_attr.attr, |
| 279 | &iio_dev_attr_sampling_frequency.dev_attr.attr, |
| 280 | NULL, |
| 281 | }; |
| 282 | |
| 283 | static const struct attribute_group st_gyro_attribute_group = { |
| 284 | .attrs = st_gyro_attributes, |
| 285 | }; |
| 286 | |
| 287 | static const struct iio_info gyro_info = { |
| 288 | .driver_module = THIS_MODULE, |
| 289 | .attrs = &st_gyro_attribute_group, |
| 290 | .read_raw = &st_gyro_read_raw, |
| 291 | .write_raw = &st_gyro_write_raw, |
| 292 | }; |
| 293 | |
Jonathan Cameron | 8ce4a56 | 2013-02-09 10:49:00 +0000 | [diff] [blame] | 294 | #ifdef CONFIG_IIO_TRIGGER |
Denis Ciocca | 7be56a8 | 2013-01-25 23:44:00 +0000 | [diff] [blame] | 295 | static const struct iio_trigger_ops st_gyro_trigger_ops = { |
| 296 | .owner = THIS_MODULE, |
| 297 | .set_trigger_state = ST_GYRO_TRIGGER_SET_STATE, |
| 298 | }; |
Jonathan Cameron | 8ce4a56 | 2013-02-09 10:49:00 +0000 | [diff] [blame] | 299 | #define ST_GYRO_TRIGGER_OPS (&st_gyro_trigger_ops) |
| 300 | #else |
| 301 | #define ST_GYRO_TRIGGER_OPS NULL |
| 302 | #endif |
Denis Ciocca | 7be56a8 | 2013-01-25 23:44:00 +0000 | [diff] [blame] | 303 | |
Denis CIOCCA | 23cde4d | 2013-06-19 09:28:00 +0100 | [diff] [blame] | 304 | int st_gyro_common_probe(struct iio_dev *indio_dev, |
| 305 | struct st_sensors_platform_data *pdata) |
Denis Ciocca | 7be56a8 | 2013-01-25 23:44:00 +0000 | [diff] [blame] | 306 | { |
Denis Ciocca | 7be56a8 | 2013-01-25 23:44:00 +0000 | [diff] [blame] | 307 | struct st_sensor_data *gdata = iio_priv(indio_dev); |
Lee Jones | f01a140 | 2013-09-16 17:02:00 +0100 | [diff] [blame] | 308 | int irq = gdata->get_irq_data_ready(indio_dev); |
| 309 | int err; |
Denis Ciocca | 7be56a8 | 2013-01-25 23:44:00 +0000 | [diff] [blame] | 310 | |
| 311 | indio_dev->modes = INDIO_DIRECT_MODE; |
| 312 | indio_dev->info = &gyro_info; |
| 313 | |
| 314 | err = st_sensors_check_device_support(indio_dev, |
| 315 | ARRAY_SIZE(st_gyro_sensors), st_gyro_sensors); |
| 316 | if (err < 0) |
Lee Jones | f01a140 | 2013-09-16 17:02:00 +0100 | [diff] [blame] | 317 | return err; |
Denis Ciocca | 7be56a8 | 2013-01-25 23:44:00 +0000 | [diff] [blame] | 318 | |
Denis CIOCCA | 607a568 | 2013-06-03 15:58:00 +0100 | [diff] [blame] | 319 | gdata->num_data_channels = ST_GYRO_NUMBER_DATA_CHANNELS; |
Denis Ciocca | 7be56a8 | 2013-01-25 23:44:00 +0000 | [diff] [blame] | 320 | gdata->multiread_bit = gdata->sensor->multi_read_bit; |
| 321 | indio_dev->channels = gdata->sensor->ch; |
| 322 | indio_dev->num_channels = ST_SENSORS_NUMBER_ALL_CHANNELS; |
| 323 | |
| 324 | gdata->current_fullscale = (struct st_sensor_fullscale_avl *) |
| 325 | &gdata->sensor->fs.fs_avl[0]; |
| 326 | gdata->odr = gdata->sensor->odr.odr_avl[0].hz; |
| 327 | |
Denis CIOCCA | 23cde4d | 2013-06-19 09:28:00 +0100 | [diff] [blame] | 328 | err = st_sensors_init_sensor(indio_dev, pdata); |
Denis Ciocca | 7be56a8 | 2013-01-25 23:44:00 +0000 | [diff] [blame] | 329 | if (err < 0) |
Lee Jones | f01a140 | 2013-09-16 17:02:00 +0100 | [diff] [blame] | 330 | return err; |
Denis Ciocca | 7be56a8 | 2013-01-25 23:44:00 +0000 | [diff] [blame] | 331 | |
Denis CIOCCA | fb4ea1f | 2013-09-18 10:00:00 +0100 | [diff] [blame] | 332 | err = st_gyro_allocate_ring(indio_dev); |
| 333 | if (err < 0) |
| 334 | return err; |
Denis Ciocca | 7be56a8 | 2013-01-25 23:44:00 +0000 | [diff] [blame] | 335 | |
Denis CIOCCA | fb4ea1f | 2013-09-18 10:00:00 +0100 | [diff] [blame] | 336 | if (irq > 0) { |
Denis Ciocca | 7be56a8 | 2013-01-25 23:44:00 +0000 | [diff] [blame] | 337 | err = st_sensors_allocate_trigger(indio_dev, |
Jonathan Cameron | 8ce4a56 | 2013-02-09 10:49:00 +0000 | [diff] [blame] | 338 | ST_GYRO_TRIGGER_OPS); |
Denis Ciocca | 7be56a8 | 2013-01-25 23:44:00 +0000 | [diff] [blame] | 339 | if (err < 0) |
| 340 | goto st_gyro_probe_trigger_error; |
| 341 | } |
| 342 | |
| 343 | err = iio_device_register(indio_dev); |
| 344 | if (err) |
| 345 | goto st_gyro_device_register_error; |
| 346 | |
Lee Jones | f01a140 | 2013-09-16 17:02:00 +0100 | [diff] [blame] | 347 | return 0; |
Denis Ciocca | 7be56a8 | 2013-01-25 23:44:00 +0000 | [diff] [blame] | 348 | |
| 349 | st_gyro_device_register_error: |
Lee Jones | f01a140 | 2013-09-16 17:02:00 +0100 | [diff] [blame] | 350 | if (irq > 0) |
Denis Ciocca | 7be56a8 | 2013-01-25 23:44:00 +0000 | [diff] [blame] | 351 | st_sensors_deallocate_trigger(indio_dev); |
| 352 | st_gyro_probe_trigger_error: |
Denis CIOCCA | fb4ea1f | 2013-09-18 10:00:00 +0100 | [diff] [blame] | 353 | st_gyro_deallocate_ring(indio_dev); |
Lee Jones | f01a140 | 2013-09-16 17:02:00 +0100 | [diff] [blame] | 354 | |
Denis Ciocca | 7be56a8 | 2013-01-25 23:44:00 +0000 | [diff] [blame] | 355 | return err; |
| 356 | } |
| 357 | EXPORT_SYMBOL(st_gyro_common_probe); |
| 358 | |
| 359 | void st_gyro_common_remove(struct iio_dev *indio_dev) |
| 360 | { |
| 361 | struct st_sensor_data *gdata = iio_priv(indio_dev); |
| 362 | |
| 363 | iio_device_unregister(indio_dev); |
Denis CIOCCA | fb4ea1f | 2013-09-18 10:00:00 +0100 | [diff] [blame] | 364 | if (gdata->get_irq_data_ready(indio_dev) > 0) |
Denis Ciocca | 7be56a8 | 2013-01-25 23:44:00 +0000 | [diff] [blame] | 365 | st_sensors_deallocate_trigger(indio_dev); |
Denis CIOCCA | fb4ea1f | 2013-09-18 10:00:00 +0100 | [diff] [blame] | 366 | |
| 367 | st_gyro_deallocate_ring(indio_dev); |
Denis Ciocca | 7be56a8 | 2013-01-25 23:44:00 +0000 | [diff] [blame] | 368 | } |
| 369 | EXPORT_SYMBOL(st_gyro_common_remove); |
| 370 | |
| 371 | MODULE_AUTHOR("Denis Ciocca <denis.ciocca@st.com>"); |
| 372 | MODULE_DESCRIPTION("STMicroelectronics gyroscopes driver"); |
| 373 | MODULE_LICENSE("GPL v2"); |