diff options
| author | Robert Budai <robert.budai@analog.com> | 2025-02-17 12:57:45 +0200 |
|---|---|---|
| committer | Jonathan Cameron <Jonathan.Cameron@huawei.com> | 2025-02-22 12:22:45 +0000 |
| commit | 3b29bcee8f6f703a5952b85fc2ffcbcfb0862db4 (patch) | |
| tree | d1ba9e33eb1f85af5959df97830de4ad04c73f0e /drivers/iio/imu/adis.c | |
| parent | 66e80e2f21762bdaa56a4d63c79e5aca5f6bd93c (diff) | |
iio: imu: adis: Add custom ops struct
This patch introduces a custom ops struct letting users define custom read and
write functions. Some adis devices might define a completely different spi
protocol from the one used in the default implementation.
Co-developed-by: Ramona Gradinariu <ramona.gradinariu@analog.com>
Signed-off-by: Ramona Gradinariu <ramona.gradinariu@analog.com>
Co-developed-by: Antoniu Miclaus <antoniu.miclaus@analog.com>
Signed-off-by: Antoniu Miclaus <antoniu.miclaus@analog.com>
Co-developed-by: Nuno Sá <nuno.sa@analog.com>
Signed-off-by: Nuno Sá <nuno.sa@analog.com>
Signed-off-by: Robert Budai <robert.budai@analog.com>
Link: https://patch.msgid.link/20250217105753.605465-2-robert.budai@analog.com
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
Diffstat (limited to 'drivers/iio/imu/adis.c')
| -rw-r--r-- | drivers/iio/imu/adis.c | 16 |
1 files changed, 13 insertions, 3 deletions
diff --git a/drivers/iio/imu/adis.c b/drivers/iio/imu/adis.c index 494171844812..54915c7a3e76 100644 --- a/drivers/iio/imu/adis.c +++ b/drivers/iio/imu/adis.c @@ -223,13 +223,13 @@ int __adis_update_bits_base(struct adis *adis, unsigned int reg, const u32 mask, int ret; u32 __val; - ret = __adis_read_reg(adis, reg, &__val, size); + ret = adis->ops->read(adis, reg, &__val, size); if (ret) return ret; __val = (__val & ~mask) | (val & mask); - return __adis_write_reg(adis, reg, __val, size); + return adis->ops->write(adis, reg, __val, size); } EXPORT_SYMBOL_NS_GPL(__adis_update_bits_base, "IIO_ADISLIB"); @@ -468,7 +468,7 @@ int adis_single_conversion(struct iio_dev *indio_dev, guard(mutex)(&adis->state_lock); - ret = __adis_read_reg(adis, chan->address, &uval, + ret = adis->ops->read(adis, chan->address, &uval, chan->scan_type.storagebits / 8); if (ret) return ret; @@ -488,6 +488,11 @@ int adis_single_conversion(struct iio_dev *indio_dev, } EXPORT_SYMBOL_NS_GPL(adis_single_conversion, "IIO_ADISLIB"); +static const struct adis_ops adis_default_ops = { + .read = __adis_read_reg, + .write = __adis_write_reg, +}; + /** * adis_init() - Initialize adis device structure * @adis: The adis device @@ -517,6 +522,11 @@ int adis_init(struct adis *adis, struct iio_dev *indio_dev, adis->spi = spi; adis->data = data; + if (!adis->ops->write && !adis->ops->read) + adis->ops = &adis_default_ops; + else if (!adis->ops->write || !adis->ops->read) + return -EINVAL; + iio_device_set_drvdata(indio_dev, adis); if (data->has_paging) { |