AuxXxilium/linux_dsm_epyc7002
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3 Commits

Author SHA1 Message Date
Peter Rosin
10d6e79555 iio: envelope-detector: switch to SPDX license identifier 
Drop the boilerplate license text.

Signed-off-by: Peter Rosin <peda@axentia.se>
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
 2018-08-20 19:27:05 +01:00
Jonathan Cameron
52b31bcc93 iio:adc: drop assign iio_info.driver_module and iio_trigger_ops.owner 
The equivalent of both of these are now done via macro magic when
the relevant register calls are made.  The actual structure
elements will shortly go away.

Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
Reviewed-by: Lars-Peter Clausen <lars@metafoo.de>
 2017-08-22 21:22:25 +01:00
Peter Rosin
b475f80b35 iio: envelope-detector: ADC driver based on a DAC and a comparator 
The DAC is used to find the peak level of an alternating voltage input
signal by a binary search using the output of a comparator wired to
an interrupt pin. Like so:
                          _
                         | \
    input +------>-------|+ \
                         |   \
           .-------.     |    }---.
           |       |     |   /    |
           |    dac|-->--|- /     |
           |       |     |_/      |
           |       |              |
           |       |              |
           |    irq|------<-------'
           |       |
           '-------'

Signed-off-by: Peter Rosin <peda@axentia.se>
Acked-by: Thomas Gleixner <tglx@linutronix.de>
Signed-off-by: Jonathan Cameron <jic23@kernel.org>
 2016-11-13 13:07:17 +00:00