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iio: staging: sca3000: hide stufftoread logic

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Change sca3000_ring implementation so that it exports a data_available
function to iio.

Signed-off-by: Josselin Costanzi <josselin.costanzi@mobile-devices.fr>
Signed-off-by: Jonathan Cameron <jic23@kernel.org>
This commit is contained in:
Josselin Costanzi 2014-06-27 17:20:00 +01:00 committed by Jonathan Cameron
parent f1b07cdf6b
commit 9dd4694daf
2 changed files with 7 additions and 4 deletions
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5
drivers/iio/industrialio-buffer.c
View File

@ -39,10 +39,7 @@ static bool iio_buffer_is_active(struct iio_buffer *buf)
static bool iio_buffer_data_available(struct iio_buffer *buf)
{
if (buf->access->data_available)
return buf->access->data_available(buf);
return buf->stufftoread;
return buf->access->data_available(buf);
}
/**

6
drivers/staging/iio/accel/sca3000_ring.c
View File

@ -141,6 +141,11 @@ static int sca3000_ring_get_bytes_per_datum(struct iio_buffer *r)
return 6;
}
static bool sca3000_ring_buf_data_available(struct iio_buffer *r)
{
return r->stufftoread;
}
static IIO_BUFFER_ENABLE_ATTR;
static IIO_BUFFER_LENGTH_ATTR;
@ -274,6 +279,7 @@ static const struct iio_buffer_access_funcs sca3000_ring_access_funcs = {
.read_first_n = &sca3000_read_first_n_hw_rb,
.get_length = &sca3000_ring_get_length,
.get_bytes_per_datum = &sca3000_ring_get_bytes_per_datum,
.data_available = sca3000_ring_buf_data_available,
.release = sca3000_ring_release,
};