On 06/19/2013 09:28 AM, Denis CIOCCA wrote:
> This patch add support to redirect the DRDY interrupt on INT1 or INT2
> on accelerometer and pressure sensors.
>
> Signed-off-by: Denis Ciocca <denis.ciocca@xxxxxx>
Applied to the togreg branch of iio.git. Thanks.
> ---
> drivers/iio/accel/st_accel.h | 11 +++++-
> drivers/iio/accel/st_accel_core.c | 27 ++++++++++-----
> drivers/iio/accel/st_accel_i2c.c | 2 +-
> drivers/iio/accel/st_accel_spi.c | 2 +-
> drivers/iio/common/st_sensors/st_sensors_core.c | 41 ++++++++++++++++++++---
> drivers/iio/gyro/st_gyro.h | 11 +++++-
> drivers/iio/gyro/st_gyro_core.c | 13 +++----
> drivers/iio/gyro/st_gyro_i2c.c | 3 +-
> drivers/iio/gyro/st_gyro_spi.c | 3 +-
> drivers/iio/magnetometer/st_magn.h | 3 +-
> drivers/iio/magnetometer/st_magn_core.c | 5 +--
> drivers/iio/magnetometer/st_magn_i2c.c | 2 +-
> drivers/iio/magnetometer/st_magn_spi.c | 2 +-
> drivers/iio/pressure/st_pressure.h | 11 +++++-
> drivers/iio/pressure/st_pressure_core.c | 15 ++++++---
> drivers/iio/pressure/st_pressure_i2c.c | 2 +-
> drivers/iio/pressure/st_pressure_spi.c | 2 +-
> include/linux/iio/common/st_sensors.h | 14 ++++++--
> include/linux/platform_data/st_sensors_pdata.h | 24 +++++++++++++
> 19 files changed, 153 insertions(+), 40 deletions(-)
> create mode 100644 include/linux/platform_data/st_sensors_pdata.h
>
> diff --git a/drivers/iio/accel/st_accel.h b/drivers/iio/accel/st_accel.h
> index 37949b9..c387763 100644
> --- a/drivers/iio/accel/st_accel.h
> +++ b/drivers/iio/accel/st_accel.h
> @@ -25,7 +25,16 @@
> #define LSM303DLM_ACCEL_DEV_NAME "lsm303dlm_accel"
> #define LSM330_ACCEL_DEV_NAME "lsm330_accel"
>
> -int st_accel_common_probe(struct iio_dev *indio_dev);
> +/**
> +* struct st_sensors_platform_data - default accel platform data
> +* @drdy_int_pin: default accel DRDY is available on INT1 pin.
> +*/
> +static const struct st_sensors_platform_data default_accel_pdata = {
> + .drdy_int_pin = 1,
> +};
> +
> +int st_accel_common_probe(struct iio_dev *indio_dev,
> + struct st_sensors_platform_data *pdata);
> void st_accel_common_remove(struct iio_dev *indio_dev);
>
> #ifdef CONFIG_IIO_BUFFER
> diff --git a/drivers/iio/accel/st_accel_core.c b/drivers/iio/accel/st_accel_core.c
> index 4aec121..aef3c9b 100644
> --- a/drivers/iio/accel/st_accel_core.c
> +++ b/drivers/iio/accel/st_accel_core.c
> @@ -65,7 +65,8 @@
> #define ST_ACCEL_1_BDU_ADDR 0x23
> #define ST_ACCEL_1_BDU_MASK 0x80
> #define ST_ACCEL_1_DRDY_IRQ_ADDR 0x22
> -#define ST_ACCEL_1_DRDY_IRQ_MASK 0x10
> +#define ST_ACCEL_1_DRDY_IRQ_INT1_MASK 0x10
> +#define ST_ACCEL_1_DRDY_IRQ_INT2_MASK 0x08
> #define ST_ACCEL_1_MULTIREAD_BIT true
>
> /* CUSTOM VALUES FOR SENSOR 2 */
> @@ -89,7 +90,8 @@
> #define ST_ACCEL_2_BDU_ADDR 0x23
> #define ST_ACCEL_2_BDU_MASK 0x80
> #define ST_ACCEL_2_DRDY_IRQ_ADDR 0x22
> -#define ST_ACCEL_2_DRDY_IRQ_MASK 0x02
> +#define ST_ACCEL_2_DRDY_IRQ_INT1_MASK 0x02
> +#define ST_ACCEL_2_DRDY_IRQ_INT2_MASK 0x10
> #define ST_ACCEL_2_MULTIREAD_BIT true
>
> /* CUSTOM VALUES FOR SENSOR 3 */
> @@ -121,7 +123,8 @@
> #define ST_ACCEL_3_BDU_ADDR 0x20
> #define ST_ACCEL_3_BDU_MASK 0x08
> #define ST_ACCEL_3_DRDY_IRQ_ADDR 0x23
> -#define ST_ACCEL_3_DRDY_IRQ_MASK 0x80
> +#define ST_ACCEL_3_DRDY_IRQ_INT1_MASK 0x80
> +#define ST_ACCEL_3_DRDY_IRQ_INT2_MASK 0x00
> #define ST_ACCEL_3_IG1_EN_ADDR 0x23
> #define ST_ACCEL_3_IG1_EN_MASK 0x08
> #define ST_ACCEL_3_MULTIREAD_BIT false
> @@ -224,7 +227,8 @@ static const struct st_sensors st_accel_sensors[] = {
> },
> .drdy_irq = {
> .addr = ST_ACCEL_1_DRDY_IRQ_ADDR,
> - .mask = ST_ACCEL_1_DRDY_IRQ_MASK,
> + .mask_int1 = ST_ACCEL_1_DRDY_IRQ_INT1_MASK,
> + .mask_int2 = ST_ACCEL_1_DRDY_IRQ_INT2_MASK,
> },
> .multi_read_bit = ST_ACCEL_1_MULTIREAD_BIT,
> .bootime = 2,
> @@ -285,7 +289,8 @@ static const struct st_sensors st_accel_sensors[] = {
> },
> .drdy_irq = {
> .addr = ST_ACCEL_2_DRDY_IRQ_ADDR,
> - .mask = ST_ACCEL_2_DRDY_IRQ_MASK,
> + .mask_int1 = ST_ACCEL_2_DRDY_IRQ_INT1_MASK,
> + .mask_int2 = ST_ACCEL_2_DRDY_IRQ_INT2_MASK,
> },
> .multi_read_bit = ST_ACCEL_2_MULTIREAD_BIT,
> .bootime = 2,
> @@ -358,7 +363,8 @@ static const struct st_sensors st_accel_sensors[] = {
> },
> .drdy_irq = {
> .addr = ST_ACCEL_3_DRDY_IRQ_ADDR,
> - .mask = ST_ACCEL_3_DRDY_IRQ_MASK,
> + .mask_int1 = ST_ACCEL_3_DRDY_IRQ_INT1_MASK,
> + .mask_int2 = ST_ACCEL_3_DRDY_IRQ_INT2_MASK,
> .ig1 = {
> .en_addr = ST_ACCEL_3_IG1_EN_ADDR,
> .en_mask = ST_ACCEL_3_IG1_EN_MASK,
> @@ -443,7 +449,8 @@ static const struct iio_trigger_ops st_accel_trigger_ops = {
> #define ST_ACCEL_TRIGGER_OPS NULL
> #endif
>
> -int st_accel_common_probe(struct iio_dev *indio_dev)
> +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);
> @@ -465,7 +472,11 @@ int st_accel_common_probe(struct iio_dev *indio_dev)
> &adata->sensor->fs.fs_avl[0];
> adata->odr = adata->sensor->odr.odr_avl[0].hz;
>
> - err = st_sensors_init_sensor(indio_dev);
> + if (!plat_data)
> + plat_data =
> + (struct st_sensors_platform_data *)&default_accel_pdata;
> +
> + err = st_sensors_init_sensor(indio_dev, plat_data);
> if (err < 0)
> goto st_accel_common_probe_error;
>
> diff --git a/drivers/iio/accel/st_accel_i2c.c b/drivers/iio/accel/st_accel_i2c.c
> index ffc9d09..58d164d 100644
> --- a/drivers/iio/accel/st_accel_i2c.c
> +++ b/drivers/iio/accel/st_accel_i2c.c
> @@ -36,7 +36,7 @@ static int st_accel_i2c_probe(struct i2c_client *client,
>
> st_sensors_i2c_configure(indio_dev, client, adata);
>
> - err = st_accel_common_probe(indio_dev);
> + err = st_accel_common_probe(indio_dev, client->dev.platform_data);
> if (err < 0)
> goto st_accel_common_probe_error;
>
> diff --git a/drivers/iio/accel/st_accel_spi.c b/drivers/iio/accel/st_accel_spi.c
> index 22b35bf..21ed929 100644
> --- a/drivers/iio/accel/st_accel_spi.c
> +++ b/drivers/iio/accel/st_accel_spi.c
> @@ -35,7 +35,7 @@ static int st_accel_spi_probe(struct spi_device *spi)
>
> st_sensors_spi_configure(indio_dev, spi, adata);
>
> - err = st_accel_common_probe(indio_dev);
> + err = st_accel_common_probe(indio_dev, spi->dev.platform_data);
> if (err < 0)
> goto st_accel_common_probe_error;
>
> diff --git a/drivers/iio/common/st_sensors/st_sensors_core.c b/drivers/iio/common/st_sensors/st_sensors_core.c
> index 865b178..965ee22 100644
> --- a/drivers/iio/common/st_sensors/st_sensors_core.c
> +++ b/drivers/iio/common/st_sensors/st_sensors_core.c
> @@ -22,7 +22,7 @@
>
> static inline u32 st_sensors_get_unaligned_le24(const u8 *p)
> {
> - return ((s32)((p[0] | p[1] << 8 | p[2] << 16) << 8) >> 8);
> + return (s32)((p[0] | p[1] << 8 | p[2] << 16) << 8) >> 8;
> }
>
> static int st_sensors_write_data_with_mask(struct iio_dev *indio_dev,
> @@ -118,7 +118,7 @@ st_sensors_match_odr_error:
> }
>
> static int st_sensors_set_fullscale(struct iio_dev *indio_dev,
> - unsigned int fs)
> + unsigned int fs)
> {
> int err, i = 0;
> struct st_sensor_data *sdata = iio_priv(indio_dev);
> @@ -198,13 +198,39 @@ int st_sensors_set_axis_enable(struct iio_dev *indio_dev, u8 axis_enable)
> }
> EXPORT_SYMBOL(st_sensors_set_axis_enable);
>
> -int st_sensors_init_sensor(struct iio_dev *indio_dev)
> +int st_sensors_init_sensor(struct iio_dev *indio_dev,
> + struct st_sensors_platform_data *pdata)
> {
> int err;
> struct st_sensor_data *sdata = iio_priv(indio_dev);
>
> mutex_init(&sdata->tb.buf_lock);
>
> + switch (pdata->drdy_int_pin) {
> + case 1:
> + if (sdata->sensor->drdy_irq.mask_int1 == 0) {
> + dev_err(&indio_dev->dev,
> + "DRDY on INT1 not available.\n");
> + err = -EINVAL;
> + goto init_error;
> + }
> + sdata->drdy_int_pin = 1;
> + break;
> + case 2:
> + if (sdata->sensor->drdy_irq.mask_int2 == 0) {
> + dev_err(&indio_dev->dev,
> + "DRDY on INT2 not available.\n");
> + err = -EINVAL;
> + goto init_error;
> + }
> + sdata->drdy_int_pin = 2;
> + break;
> + default:
> + dev_err(&indio_dev->dev, "DRDY on pdata not valid.\n");
> + err = -EINVAL;
> + goto init_error;
> + }
> +
> err = st_sensors_set_enable(indio_dev, false);
> if (err < 0)
> goto init_error;
> @@ -234,6 +260,7 @@ EXPORT_SYMBOL(st_sensors_init_sensor);
> int st_sensors_set_dataready_irq(struct iio_dev *indio_dev, bool enable)
> {
> int err;
> + u8 drdy_mask;
> struct st_sensor_data *sdata = iio_priv(indio_dev);
>
> /* Enable/Disable the interrupt generator 1. */
> @@ -245,10 +272,14 @@ int st_sensors_set_dataready_irq(struct iio_dev *indio_dev, bool enable)
> goto st_accel_set_dataready_irq_error;
> }
>
> + if (sdata->drdy_int_pin == 1)
> + drdy_mask = sdata->sensor->drdy_irq.mask_int1;
> + else
> + drdy_mask = sdata->sensor->drdy_irq.mask_int2;
> +
> /* Enable/Disable the interrupt generator for data ready. */
> err = st_sensors_write_data_with_mask(indio_dev,
> - sdata->sensor->drdy_irq.addr,
> - sdata->sensor->drdy_irq.mask, (int)enable);
> + sdata->sensor->drdy_irq.addr, drdy_mask, (int)enable);
>
> st_accel_set_dataready_irq_error:
> return err;
> diff --git a/drivers/iio/gyro/st_gyro.h b/drivers/iio/gyro/st_gyro.h
> index 3ad9907..f8f2bf8 100644
> --- a/drivers/iio/gyro/st_gyro.h
> +++ b/drivers/iio/gyro/st_gyro.h
> @@ -23,7 +23,16 @@
> #define L3G4IS_GYRO_DEV_NAME "l3g4is_ui"
> #define LSM330_GYRO_DEV_NAME "lsm330_gyro"
>
> -int st_gyro_common_probe(struct iio_dev *indio_dev);
> +/**
> + * struct st_sensors_platform_data - gyro platform data
> + * @drdy_int_pin: DRDY on gyros is available only on INT2 pin.
> + */
> +static const struct st_sensors_platform_data gyro_pdata = {
> + .drdy_int_pin = 2,
> +};
> +
> +int st_gyro_common_probe(struct iio_dev *indio_dev,
> + struct st_sensors_platform_data *pdata);
> void st_gyro_common_remove(struct iio_dev *indio_dev);
>
> #ifdef CONFIG_IIO_BUFFER
> diff --git a/drivers/iio/gyro/st_gyro_core.c b/drivers/iio/gyro/st_gyro_core.c
> index f9ed348..85fa8d3 100644
> --- a/drivers/iio/gyro/st_gyro_core.c
> +++ b/drivers/iio/gyro/st_gyro_core.c
> @@ -60,7 +60,7 @@
> #define ST_GYRO_1_BDU_ADDR 0x23
> #define ST_GYRO_1_BDU_MASK 0x80
> #define ST_GYRO_1_DRDY_IRQ_ADDR 0x22
> -#define ST_GYRO_1_DRDY_IRQ_MASK 0x08
> +#define ST_GYRO_1_DRDY_IRQ_INT2_MASK 0x08
> #define ST_GYRO_1_MULTIREAD_BIT true
>
> /* CUSTOM VALUES FOR SENSOR 2 */
> @@ -84,7 +84,7 @@
> #define ST_GYRO_2_BDU_ADDR 0x23
> #define ST_GYRO_2_BDU_MASK 0x80
> #define ST_GYRO_2_DRDY_IRQ_ADDR 0x22
> -#define ST_GYRO_2_DRDY_IRQ_MASK 0x08
> +#define ST_GYRO_2_DRDY_IRQ_INT2_MASK 0x08
> #define ST_GYRO_2_MULTIREAD_BIT true
>
> static const struct iio_chan_spec st_gyro_16bit_channels[] = {
> @@ -158,7 +158,7 @@ static const struct st_sensors st_gyro_sensors[] = {
> },
> .drdy_irq = {
> .addr = ST_GYRO_1_DRDY_IRQ_ADDR,
> - .mask = ST_GYRO_1_DRDY_IRQ_MASK,
> + .mask_int2 = ST_GYRO_1_DRDY_IRQ_INT2_MASK,
> },
> .multi_read_bit = ST_GYRO_1_MULTIREAD_BIT,
> .bootime = 2,
> @@ -221,7 +221,7 @@ static const struct st_sensors st_gyro_sensors[] = {
> },
> .drdy_irq = {
> .addr = ST_GYRO_2_DRDY_IRQ_ADDR,
> - .mask = ST_GYRO_2_DRDY_IRQ_MASK,
> + .mask_int2 = ST_GYRO_2_DRDY_IRQ_INT2_MASK,
> },
> .multi_read_bit = ST_GYRO_2_MULTIREAD_BIT,
> .bootime = 2,
> @@ -302,7 +302,8 @@ static const struct iio_trigger_ops st_gyro_trigger_ops = {
> #define ST_GYRO_TRIGGER_OPS NULL
> #endif
>
> -int st_gyro_common_probe(struct iio_dev *indio_dev)
> +int st_gyro_common_probe(struct iio_dev *indio_dev,
> + struct st_sensors_platform_data *pdata)
> {
> int err;
> struct st_sensor_data *gdata = iio_priv(indio_dev);
> @@ -324,7 +325,7 @@ int st_gyro_common_probe(struct iio_dev *indio_dev)
> &gdata->sensor->fs.fs_avl[0];
> gdata->odr = gdata->sensor->odr.odr_avl[0].hz;
>
> - err = st_sensors_init_sensor(indio_dev);
> + err = st_sensors_init_sensor(indio_dev, pdata);
> if (err < 0)
> goto st_gyro_common_probe_error;
>
> diff --git a/drivers/iio/gyro/st_gyro_i2c.c b/drivers/iio/gyro/st_gyro_i2c.c
> index 8a31050..c7a29a4 100644
> --- a/drivers/iio/gyro/st_gyro_i2c.c
> +++ b/drivers/iio/gyro/st_gyro_i2c.c
> @@ -36,7 +36,8 @@ static int st_gyro_i2c_probe(struct i2c_client *client,
>
> st_sensors_i2c_configure(indio_dev, client, gdata);
>
> - err = st_gyro_common_probe(indio_dev);
> + err = st_gyro_common_probe(indio_dev,
> + (struct st_sensors_platform_data *)&gyro_pdata);
> if (err < 0)
> goto st_gyro_common_probe_error;
>
> diff --git a/drivers/iio/gyro/st_gyro_spi.c b/drivers/iio/gyro/st_gyro_spi.c
> index f354039..14b0762 100644
> --- a/drivers/iio/gyro/st_gyro_spi.c
> +++ b/drivers/iio/gyro/st_gyro_spi.c
> @@ -35,7 +35,8 @@ static int st_gyro_spi_probe(struct spi_device *spi)
>
> st_sensors_spi_configure(indio_dev, spi, gdata);
>
> - err = st_gyro_common_probe(indio_dev);
> + err = st_gyro_common_probe(indio_dev,
> + (struct st_sensors_platform_data *)&gyro_pdata);
> if (err < 0)
> goto st_gyro_common_probe_error;
>
> diff --git a/drivers/iio/magnetometer/st_magn.h b/drivers/iio/magnetometer/st_magn.h
> index 7e81d00..694e33e 100644
> --- a/drivers/iio/magnetometer/st_magn.h
> +++ b/drivers/iio/magnetometer/st_magn.h
> @@ -18,7 +18,8 @@
> #define LSM303DLM_MAGN_DEV_NAME "lsm303dlm_magn"
> #define LIS3MDL_MAGN_DEV_NAME "lis3mdl"
>
> -int st_magn_common_probe(struct iio_dev *indio_dev);
> +int st_magn_common_probe(struct iio_dev *indio_dev,
> + struct st_sensors_platform_data *pdata);
> void st_magn_common_remove(struct iio_dev *indio_dev);
>
> #ifdef CONFIG_IIO_BUFFER
> diff --git a/drivers/iio/magnetometer/st_magn_core.c b/drivers/iio/magnetometer/st_magn_core.c
> index ebfe8f1..7cd784f 100644
> --- a/drivers/iio/magnetometer/st_magn_core.c
> +++ b/drivers/iio/magnetometer/st_magn_core.c
> @@ -345,7 +345,8 @@ static const struct iio_info magn_info = {
> .write_raw = &st_magn_write_raw,
> };
>
> -int st_magn_common_probe(struct iio_dev *indio_dev)
> +int st_magn_common_probe(struct iio_dev *indio_dev,
> + struct st_sensors_platform_data *pdata)
> {
> int err;
> struct st_sensor_data *mdata = iio_priv(indio_dev);
> @@ -367,7 +368,7 @@ int st_magn_common_probe(struct iio_dev *indio_dev)
> &mdata->sensor->fs.fs_avl[0];
> mdata->odr = mdata->sensor->odr.odr_avl[0].hz;
>
> - err = st_sensors_init_sensor(indio_dev);
> + err = st_sensors_init_sensor(indio_dev, pdata);
> if (err < 0)
> goto st_magn_common_probe_error;
>
> diff --git a/drivers/iio/magnetometer/st_magn_i2c.c b/drivers/iio/magnetometer/st_magn_i2c.c
> index e6adc4a..1bed117 100644
> --- a/drivers/iio/magnetometer/st_magn_i2c.c
> +++ b/drivers/iio/magnetometer/st_magn_i2c.c
> @@ -36,7 +36,7 @@ static int st_magn_i2c_probe(struct i2c_client *client,
>
> st_sensors_i2c_configure(indio_dev, client, mdata);
>
> - err = st_magn_common_probe(indio_dev);
> + err = st_magn_common_probe(indio_dev, NULL);
> if (err < 0)
> goto st_magn_common_probe_error;
>
> diff --git a/drivers/iio/magnetometer/st_magn_spi.c b/drivers/iio/magnetometer/st_magn_spi.c
> index 51adb79..a2333a1 100644
> --- a/drivers/iio/magnetometer/st_magn_spi.c
> +++ b/drivers/iio/magnetometer/st_magn_spi.c
> @@ -35,7 +35,7 @@ static int st_magn_spi_probe(struct spi_device *spi)
>
> st_sensors_spi_configure(indio_dev, spi, mdata);
>
> - err = st_magn_common_probe(indio_dev);
> + err = st_magn_common_probe(indio_dev, NULL);
> if (err < 0)
> goto st_magn_common_probe_error;
>
> diff --git a/drivers/iio/pressure/st_pressure.h b/drivers/iio/pressure/st_pressure.h
> index 414e45a..b0b6306 100644
> --- a/drivers/iio/pressure/st_pressure.h
> +++ b/drivers/iio/pressure/st_pressure.h
> @@ -16,7 +16,16 @@
>
> #define LPS331AP_PRESS_DEV_NAME "lps331ap"
>
> -int st_press_common_probe(struct iio_dev *indio_dev);
> +/**
> + * struct st_sensors_platform_data - default press platform data
> + * @drdy_int_pin: default press DRDY is available on INT1 pin.
> + */
> +static const struct st_sensors_platform_data default_press_pdata = {
> + .drdy_int_pin = 1,
> +};
> +
> +int st_press_common_probe(struct iio_dev *indio_dev,
> + struct st_sensors_platform_data *pdata);
> void st_press_common_remove(struct iio_dev *indio_dev);
>
> #ifdef CONFIG_IIO_BUFFER
> diff --git a/drivers/iio/pressure/st_pressure_core.c b/drivers/iio/pressure/st_pressure_core.c
> index 9c343b4..b8ecc87 100644
> --- a/drivers/iio/pressure/st_pressure_core.c
> +++ b/drivers/iio/pressure/st_pressure_core.c
> @@ -56,7 +56,8 @@
> #define ST_PRESS_1_BDU_ADDR 0x20
> #define ST_PRESS_1_BDU_MASK 0x04
> #define ST_PRESS_1_DRDY_IRQ_ADDR 0x22
> -#define ST_PRESS_1_DRDY_IRQ_MASK 0x04
> +#define ST_PRESS_1_DRDY_IRQ_INT1_MASK 0x04
> +#define ST_PRESS_1_DRDY_IRQ_INT2_MASK 0x20
> #define ST_PRESS_1_MULTIREAD_BIT true
> #define ST_PRESS_1_TEMP_OFFSET 42500
>
> @@ -114,7 +115,8 @@ static const struct st_sensors st_press_sensors[] = {
> },
> .drdy_irq = {
> .addr = ST_PRESS_1_DRDY_IRQ_ADDR,
> - .mask = ST_PRESS_1_DRDY_IRQ_MASK,
> + .mask_int1 = ST_PRESS_1_DRDY_IRQ_INT1_MASK,
> + .mask_int2 = ST_PRESS_1_DRDY_IRQ_INT2_MASK,
> },
> .multi_read_bit = ST_PRESS_1_MULTIREAD_BIT,
> .bootime = 2,
> @@ -200,7 +202,8 @@ static const struct iio_trigger_ops st_press_trigger_ops = {
> #define ST_PRESS_TRIGGER_OPS NULL
> #endif
>
> -int st_press_common_probe(struct iio_dev *indio_dev)
> +int st_press_common_probe(struct iio_dev *indio_dev,
> + struct st_sensors_platform_data *plat_data)
> {
> int err;
> struct st_sensor_data *pdata = iio_priv(indio_dev);
> @@ -222,7 +225,11 @@ int st_press_common_probe(struct iio_dev *indio_dev)
> &pdata->sensor->fs.fs_avl[0];
> pdata->odr = pdata->sensor->odr.odr_avl[0].hz;
>
> - err = st_sensors_init_sensor(indio_dev);
> + if (!plat_data)
> + plat_data =
> + (struct st_sensors_platform_data *)&default_press_pdata;
> +
> + err = st_sensors_init_sensor(indio_dev, plat_data);
> if (err < 0)
> goto st_press_common_probe_error;
>
> diff --git a/drivers/iio/pressure/st_pressure_i2c.c b/drivers/iio/pressure/st_pressure_i2c.c
> index 7cebcc7..3065993 100644
> --- a/drivers/iio/pressure/st_pressure_i2c.c
> +++ b/drivers/iio/pressure/st_pressure_i2c.c
> @@ -36,7 +36,7 @@ static int st_press_i2c_probe(struct i2c_client *client,
>
> st_sensors_i2c_configure(indio_dev, client, pdata);
>
> - err = st_press_common_probe(indio_dev);
> + err = st_press_common_probe(indio_dev, client->dev.platform_data);
> if (err < 0)
> goto st_press_common_probe_error;
>
> diff --git a/drivers/iio/pressure/st_pressure_spi.c b/drivers/iio/pressure/st_pressure_spi.c
> index 17a1490..b2aded6 100644
> --- a/drivers/iio/pressure/st_pressure_spi.c
> +++ b/drivers/iio/pressure/st_pressure_spi.c
> @@ -35,7 +35,7 @@ static int st_press_spi_probe(struct spi_device *spi)
>
> st_sensors_spi_configure(indio_dev, spi, pdata);
>
> - err = st_press_common_probe(indio_dev);
> + err = st_press_common_probe(indio_dev, spi->dev.platform_data);
> if (err < 0)
> goto st_press_common_probe_error;
>
> diff --git a/include/linux/iio/common/st_sensors.h b/include/linux/iio/common/st_sensors.h
> index 72b2694..e51f654 100644
> --- a/include/linux/iio/common/st_sensors.h
> +++ b/include/linux/iio/common/st_sensors.h
> @@ -17,6 +17,8 @@
> #include <linux/iio/trigger.h>
> #include <linux/bitops.h>
>
> +#include <linux/platform_data/st_sensors_pdata.h>
> +
> #define ST_SENSORS_TX_MAX_LENGTH 2
> #define ST_SENSORS_RX_MAX_LENGTH 6
>
> @@ -118,14 +120,16 @@ struct st_sensor_bdu {
> /**
> * struct st_sensor_data_ready_irq - ST sensor device data-ready interrupt
> * @addr: address of the register.
> - * @mask: mask to write the on/off value.
> + * @mask_int1: mask to enable/disable IRQ on INT1 pin.
> + * @mask_int2: mask to enable/disable IRQ on INT2 pin.
> * struct ig1 - represents the Interrupt Generator 1 of sensors.
> * @en_addr: address of the enable ig1 register.
> * @en_mask: mask to write the on/off value for enable.
> */
> struct st_sensor_data_ready_irq {
> u8 addr;
> - u8 mask;
> + u8 mask_int1;
> + u8 mask_int2;
> struct {
> u8 en_addr;
> u8 en_mask;
> @@ -201,6 +205,7 @@ struct st_sensors {
> * @buffer_data: Data used by buffer part.
> * @odr: Output data rate of the sensor [Hz].
> * num_data_channels: Number of data channels used in buffer.
> + * @drdy_int_pin: Redirect DRDY on pin 1 (1) or pin 2 (2).
> * @get_irq_data_ready: Function to get the IRQ used for data ready signal.
> * @tf: Transfer function structure used by I/O operations.
> * @tb: Transfer buffers and mutex used by I/O operations.
> @@ -219,6 +224,8 @@ struct st_sensor_data {
> unsigned int odr;
> unsigned int num_data_channels;
>
> + u8 drdy_int_pin;
> +
> unsigned int (*get_irq_data_ready) (struct iio_dev *indio_dev);
>
> const struct st_sensor_transfer_function *tf;
> @@ -249,7 +256,8 @@ static inline void st_sensors_deallocate_trigger(struct iio_dev *indio_dev)
> }
> #endif
>
> -int st_sensors_init_sensor(struct iio_dev *indio_dev);
> +int st_sensors_init_sensor(struct iio_dev *indio_dev,
> + struct st_sensors_platform_data *pdata);
>
> int st_sensors_set_enable(struct iio_dev *indio_dev, bool enable);
>
> diff --git a/include/linux/platform_data/st_sensors_pdata.h b/include/linux/platform_data/st_sensors_pdata.h
> new file mode 100644
> index 0000000..7538391
> --- /dev/null
> +++ b/include/linux/platform_data/st_sensors_pdata.h
> @@ -0,0 +1,24 @@
> +/*
> + * STMicroelectronics sensors platform-data driver
> + *
> + * Copyright 2013 STMicroelectronics Inc.
> + *
> + * Denis Ciocca <denis.ciocca@xxxxxx>
> + *
> + * Licensed under the GPL-2.
> + */
> +
> +#ifndef ST_SENSORS_PDATA_H
> +#define ST_SENSORS_PDATA_H
> +
> +/**
> + * struct st_sensors_platform_data - Platform data for the ST sensors
> + * @drdy_int_pin: Redirect DRDY on pin 1 (1) or pin 2 (2).
> + * Available only for accelerometer and pressure sensors.
> + * Accelerometer DRDY on LSM330 available only on pin 1 (see datasheet).
> + */
> +struct st_sensors_platform_data {
> + u8 drdy_int_pin;
> +};
> +
> +#endif /* ST_SENSORS_PDATA_H */
>
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