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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@theobroma-systems.com> Signed-off-by: Christoph Muellner <christoph.muellner@theobroma-systems.com> Signed-off-by: Jonathan Cameron <jic23@kernel.org>
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1 changed files with 23 additions and 16 deletions
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@ -143,6 +143,13 @@ struct mma_chip_info {
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u8 ev_count;
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};
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enum {
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idx_x,
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idx_y,
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idx_z,
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idx_ts,
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};
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static int mma8452_drdy(struct mma8452_data *data)
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{
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int tries = 150;
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@ -816,31 +823,31 @@ static struct attribute_group mma8452_event_attribute_group = {
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}
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static const struct iio_chan_spec mma8452_channels[] = {
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MMA8452_CHANNEL(X, 0, 12),
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MMA8452_CHANNEL(Y, 1, 12),
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MMA8452_CHANNEL(Z, 2, 12),
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IIO_CHAN_SOFT_TIMESTAMP(3),
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MMA8452_CHANNEL(X, idx_x, 12),
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MMA8452_CHANNEL(Y, idx_y, 12),
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MMA8452_CHANNEL(Z, idx_z, 12),
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IIO_CHAN_SOFT_TIMESTAMP(idx_ts),
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};
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static const struct iio_chan_spec mma8453_channels[] = {
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MMA8452_CHANNEL(X, 0, 10),
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MMA8452_CHANNEL(Y, 1, 10),
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MMA8452_CHANNEL(Z, 2, 10),
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IIO_CHAN_SOFT_TIMESTAMP(3),
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MMA8452_CHANNEL(X, idx_x, 10),
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MMA8452_CHANNEL(Y, idx_y, 10),
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MMA8452_CHANNEL(Z, idx_z, 10),
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IIO_CHAN_SOFT_TIMESTAMP(idx_ts),
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};
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static const struct iio_chan_spec mma8652_channels[] = {
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MMA8652_CHANNEL(X, 0, 12),
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MMA8652_CHANNEL(Y, 1, 12),
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MMA8652_CHANNEL(Z, 2, 12),
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IIO_CHAN_SOFT_TIMESTAMP(3),
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MMA8652_CHANNEL(X, idx_x, 12),
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MMA8652_CHANNEL(Y, idx_y, 12),
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MMA8652_CHANNEL(Z, idx_z, 12),
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IIO_CHAN_SOFT_TIMESTAMP(idx_ts),
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};
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static const struct iio_chan_spec mma8653_channels[] = {
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MMA8652_CHANNEL(X, 0, 10),
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MMA8652_CHANNEL(Y, 1, 10),
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MMA8652_CHANNEL(Z, 2, 10),
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IIO_CHAN_SOFT_TIMESTAMP(3),
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MMA8652_CHANNEL(X, idx_x, 10),
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MMA8652_CHANNEL(Y, idx_y, 10),
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MMA8652_CHANNEL(Z, idx_z, 10),
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IIO_CHAN_SOFT_TIMESTAMP(idx_ts),
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};
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enum {
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