From 9dd4694dafbd8b44ac4ca740beede18ca67d725f Mon Sep 17 00:00:00 2001
From: Josselin Costanzi <josselin.costanzi@mobile-devices.fr>
Date: Fri, 27 Jun 2014 17:20:00 +0100
Subject: [PATCH] iio: staging: sca3000: hide stufftoread logic
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>
---
drivers/iio/industrialio-buffer.c | 5 +----
drivers/staging/iio/accel/sca3000_ring.c | 6 ++++++
2 files changed, 7 insertions(+), 4 deletions(-)
diff --git a/drivers/iio/industrialio-buffer.c b/drivers/iio/industrialio-buffer.c
index 36b1ae92e2392..2952ee038477a 100644
--- a/drivers/iio/industrialio-buffer.c
+++ b/drivers/iio/industrialio-buffer.c
@@ -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);
}
/**
diff --git a/drivers/staging/iio/accel/sca3000_ring.c b/drivers/staging/iio/accel/sca3000_ring.c
index 198710651e0ed..33f0e9235be72 100644
--- a/drivers/staging/iio/accel/sca3000_ring.c
+++ b/drivers/staging/iio/accel/sca3000_ring.c
@@ -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,
};
--
2.30.2