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authorMichał Mirosław <mirq-linux@rere.qmqm.pl>2017-09-17 18:01:03 +0300
committerJonathan Cameron <Jonathan.Cameron@huawei.com>2017-10-09 22:50:01 +0300
commit81fa8cb9f868dbe30fdfbf90f695ad16f0d0a814 (patch)
tree54578e2b1ef1dd6413fc9c5a838689828336622e /drivers/iio
parentd8408e98f5c62d5737ce149947202a21778ecb0d (diff)
downloadlinux-81fa8cb9f868dbe30fdfbf90f695ad16f0d0a814.tar.xz
iio: accel: kxcjk1013: make sysfs/sampling_frequency_avail dynamic
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>
Diffstat (limited to 'drivers/iio')
-rw-r--r--drivers/iio/accel/kxcjk-1013.c15
1 files changed, 12 insertions, 3 deletions
diff --git a/drivers/iio/accel/kxcjk-1013.c b/drivers/iio/accel/kxcjk-1013.c
index b8e09bdd0c70..ee492b00642b 100644
--- a/drivers/iio/accel/kxcjk-1013.c
+++ b/drivers/iio/accel/kxcjk-1013.c
@@ -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,
};