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iio: accel: kxcjk1013: make sysfs/sampling_frequency_avail dynamic

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In preparation for KXTF9 support, make sampling_frequency_avail
attribute dynamic.

Signed-off-by: Michał Mirosław <mirq-linux@rere.qmqm.pl>
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
This commit is contained in:
Michał Mirosław 2017-09-17 17:01:03 +02:00 committed by Jonathan Cameron
parent d8408e98f5
commit 81fa8cb9f8
1 changed files with 12 additions and 3 deletions
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15
drivers/iio/accel/kxcjk-1013.c
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@ -155,6 +155,9 @@ static const struct kx_odr_map samp_freq_table[] = {
{ 1600, 0, 0x07, 0x06 },
};
static const char *const kxcjk1013_samp_freq_avail =
"0.781000 1.563000 3.125000 6.250000 12.500000 25 50 100 200 400 800 1600";
/* Refer to section 4 of the specification */
static const struct {
int odr_bits;
@ -879,13 +882,19 @@ static int kxcjk1013_buffer_postdisable(struct iio_dev *indio_dev)
return kxcjk1013_set_power_state(data, false);
}
static IIO_CONST_ATTR_SAMP_FREQ_AVAIL(
"0.781000 1.563000 3.125000 6.250000 12.500000 25 50 100 200 400 800 1600");
static ssize_t kxcjk1013_get_samp_freq_avail(struct device *dev,
struct device_attribute *attr,
char *buf)
{
return sprintf(buf, "%s\n", kxcjk1013_samp_freq_avail);
}
static IIO_DEV_ATTR_SAMP_FREQ_AVAIL(kxcjk1013_get_samp_freq_avail);
static IIO_CONST_ATTR(in_accel_scale_available, "0.009582 0.019163 0.038326");
static struct attribute *kxcjk1013_attributes[] = {
&iio_const_attr_sampling_frequency_available.dev_attr.attr,
&iio_dev_attr_sampling_frequency_available.dev_attr.attr,
&iio_const_attr_in_accel_scale_available.dev_attr.attr,
NULL,
};