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SubjectRe: [PATCH 11/20] iio: sensors-core: st: Support sensors which don't have a Data Ready pin
On 09/21/13 13:51, Jonathan Cameron wrote:
> On 09/16/13 17:02, Lee Jones wrote:
>> Not all ST's sensors support data ready, so let's make the declaration
>> of one conditional.
>>
>> Signed-off-by: Lee Jones <lee.jones@linaro.org>
> Applied to the togreg branch of iio.git
>
> Thanks Lee
Having done some extra build tests, noticed that
for st_snesors_set_drdy_int_pin should be static.

Fixed up and push out to the togreg branch of iio.git

>> ---
>> drivers/iio/common/st_sensors/st_sensors_core.c | 33 ++++++++++++++++---------
>> drivers/iio/pressure/st_pressure_core.c | 3 ++-
>> 2 files changed, 24 insertions(+), 12 deletions(-)
>>
>> diff --git a/drivers/iio/common/st_sensors/st_sensors_core.c b/drivers/iio/common/st_sensors/st_sensors_core.c
>> index 793136a..2672630 100644
>> --- a/drivers/iio/common/st_sensors/st_sensors_core.c
>> +++ b/drivers/iio/common/st_sensors/st_sensors_core.c
>> @@ -198,21 +198,17 @@ 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,
>> - struct st_sensors_platform_data *pdata)
>> +int st_sensors_set_drdy_int_pin(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;
>> + return -EINVAL;
>> }
>> sdata->drdy_int_pin = 1;
>> break;
>> @@ -220,17 +216,29 @@ int st_sensors_init_sensor(struct iio_dev *indio_dev,
>> if (sdata->sensor->drdy_irq.mask_int2 == 0) {
>> dev_err(&indio_dev->dev,
>> "DRDY on INT2 not available.\n");
>> - err = -EINVAL;
>> - goto init_error;
>> + return -EINVAL;
>> }
>> sdata->drdy_int_pin = 2;
>> break;
>> default:
>> dev_err(&indio_dev->dev, "DRDY on pdata not valid.\n");
>> - err = -EINVAL;
>> - goto init_error;
>> + return -EINVAL;
>> }
>>
>> + return 0;
>> +}
>> +
>> +int st_sensors_init_sensor(struct iio_dev *indio_dev,
>> + struct st_sensors_platform_data *pdata)
>> +{
>> + struct st_sensor_data *sdata = iio_priv(indio_dev);
>> + int err = 0;
>> +
>> + mutex_init(&sdata->tb.buf_lock);
>> +
>> + if (pdata)
>> + err = st_sensors_set_drdy_int_pin(indio_dev, pdata);
>> +
>> err = st_sensors_set_enable(indio_dev, false);
>> if (err < 0)
>> goto init_error;
>> @@ -266,6 +274,9 @@ int st_sensors_set_dataready_irq(struct iio_dev *indio_dev, bool enable)
>> u8 drdy_mask;
>> struct st_sensor_data *sdata = iio_priv(indio_dev);
>>
>> + if (!sdata->sensor->drdy_irq.addr)
>> + return 0;
>> +
>> /* Enable/Disable the interrupt generator 1. */
>> if (sdata->sensor->drdy_irq.ig1.en_addr > 0) {
>> err = st_sensors_write_data_with_mask(indio_dev,
>> diff --git a/drivers/iio/pressure/st_pressure_core.c b/drivers/iio/pressure/st_pressure_core.c
>> index 93bff9b..3abada2 100644
>> --- a/drivers/iio/pressure/st_pressure_core.c
>> +++ b/drivers/iio/pressure/st_pressure_core.c
>> @@ -254,7 +254,8 @@ int st_press_common_probe(struct iio_dev *indio_dev,
>>
>> pdata->odr = pdata->sensor->odr.odr_avl[0].hz;
>>
>> - if (!plat_data)
>> + /* Some devices don't support a data ready pin. */
>> + if (!plat_data && pdata->sensor->drdy_irq.addr)
>> plat_data =
>> (struct st_sensors_platform_data *)&default_press_pdata;
>>
>>
> --
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