diff options
Diffstat (limited to 'drivers/staging/iio/iio_dummy_evgen.c')
| -rw-r--r-- | drivers/staging/iio/iio_dummy_evgen.c | 17 |
1 files changed, 17 insertions, 0 deletions
diff --git a/drivers/staging/iio/iio_dummy_evgen.c b/drivers/staging/iio/iio_dummy_evgen.c index 5a804f16ec2f..59ad5a3efe9c 100644 --- a/drivers/staging/iio/iio_dummy_evgen.c +++ b/drivers/staging/iio/iio_dummy_evgen.c @@ -33,6 +33,7 @@ * @base: base of irq range * @enabled: mask of which irqs are enabled * @inuse: mask of which irqs are connected + * @regs: irq regs we are faking * @lock: protect the evgen state */ struct iio_dummy_eventgen { @@ -40,6 +41,7 @@ struct iio_dummy_eventgen { int base; bool enabled[IIO_EVENTGEN_NO]; bool inuse[IIO_EVENTGEN_NO]; + struct iio_dummy_regs regs[IIO_EVENTGEN_NO]; struct mutex lock; }; @@ -136,6 +138,12 @@ int iio_dummy_evgen_release_irq(int irq) } EXPORT_SYMBOL_GPL(iio_dummy_evgen_release_irq); +struct iio_dummy_regs *iio_dummy_evgen_get_regs(int irq) +{ + return &iio_evgen->regs[irq - iio_evgen->base]; +} +EXPORT_SYMBOL_GPL(iio_dummy_evgen_get_regs); + static void iio_dummy_evgen_free(void) { irq_free_descs(iio_evgen->base, IIO_EVENTGEN_NO); @@ -153,6 +161,15 @@ static ssize_t iio_evgen_poke(struct device *dev, size_t len) { struct iio_dev_attr *this_attr = to_iio_dev_attr(attr); + unsigned long event; + int ret; + + ret = kstrtoul(buf, 10, &event); + if (ret) + return ret; + + iio_evgen->regs[this_attr->address].reg_id = this_attr->address; + iio_evgen->regs[this_attr->address].reg_data = event; if (iio_evgen->enabled[this_attr->address]) handle_nested_irq(iio_evgen->base + this_attr->address); |