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Message-Id: <1450197901-9826-3-git-send-email-martink@posteo.de>
Date: Tue, 15 Dec 2015 17:45:00 +0100
From: Martin Kepplinger <martink@...teo.de>
To: jic23@...nel.org, knaack.h@....de, lars@...afoo.de,
pmeerw@...erw.net, christoph.muellner@...obroma-systems.com,
mfuzzey@...keon.com
Cc: linux-iio@...r.kernel.org, linux-kernel@...r.kernel.org,
Martin Kepplinger <martink@...teo.de>,
Martin Kepplinger <martin.kepplinger@...obroma-systems.com>
Subject: [PATCH 2/3] iio: mma8452: use enum for channel index
This gets rid of some magic numbers by adding an enum.
Signed-off-by: Martin Kepplinger <martin.kepplinger@...obroma-systems.com>
Signed-off-by: Christoph Muellner <christoph.muellner@...obroma-systems.com>
---
drivers/iio/accel/mma8452.c | 39 +++++++++++++++++++++++----------------
1 file changed, 23 insertions(+), 16 deletions(-)
diff --git a/drivers/iio/accel/mma8452.c b/drivers/iio/accel/mma8452.c
index 162bbef..ccc632a 100644
--- a/drivers/iio/accel/mma8452.c
+++ b/drivers/iio/accel/mma8452.c
@@ -143,6 +143,13 @@ struct mma_chip_info {
u8 ev_count;
};
+enum {
+ idx_x,
+ idx_y,
+ idx_z,
+ idx_ts,
+};
+
static int mma8452_drdy(struct mma8452_data *data)
{
int tries = 150;
@@ -816,31 +823,31 @@ static struct attribute_group mma8452_event_attribute_group = {
}
static const struct iio_chan_spec mma8452_channels[] = {
- MMA8452_CHANNEL(X, 0, 12),
- MMA8452_CHANNEL(Y, 1, 12),
- MMA8452_CHANNEL(Z, 2, 12),
- IIO_CHAN_SOFT_TIMESTAMP(3),
+ MMA8452_CHANNEL(X, idx_x, 12),
+ MMA8452_CHANNEL(Y, idx_y, 12),
+ MMA8452_CHANNEL(Z, idx_z, 12),
+ IIO_CHAN_SOFT_TIMESTAMP(idx_ts),
};
static const struct iio_chan_spec mma8453_channels[] = {
- MMA8452_CHANNEL(X, 0, 10),
- MMA8452_CHANNEL(Y, 1, 10),
- MMA8452_CHANNEL(Z, 2, 10),
- IIO_CHAN_SOFT_TIMESTAMP(3),
+ MMA8452_CHANNEL(X, idx_x, 10),
+ MMA8452_CHANNEL(Y, idx_y, 10),
+ MMA8452_CHANNEL(Z, idx_z, 10),
+ IIO_CHAN_SOFT_TIMESTAMP(idx_ts),
};
static const struct iio_chan_spec mma8652_channels[] = {
- MMA8652_CHANNEL(X, 0, 12),
- MMA8652_CHANNEL(Y, 1, 12),
- MMA8652_CHANNEL(Z, 2, 12),
- IIO_CHAN_SOFT_TIMESTAMP(3),
+ MMA8652_CHANNEL(X, idx_x, 12),
+ MMA8652_CHANNEL(Y, idx_y, 12),
+ MMA8652_CHANNEL(Z, idx_z, 12),
+ IIO_CHAN_SOFT_TIMESTAMP(idx_ts),
};
static const struct iio_chan_spec mma8653_channels[] = {
- MMA8652_CHANNEL(X, 0, 10),
- MMA8652_CHANNEL(Y, 1, 10),
- MMA8652_CHANNEL(Z, 2, 10),
- IIO_CHAN_SOFT_TIMESTAMP(3),
+ MMA8652_CHANNEL(X, idx_x, 10),
+ MMA8652_CHANNEL(Y, idx_y, 10),
+ MMA8652_CHANNEL(Z, idx_z, 10),
+ IIO_CHAN_SOFT_TIMESTAMP(idx_ts),
};
enum {
--
2.1.4
--
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