iio:adxrs450: Use spi_sync_transfer()
Use the spi_sync_transfer() helper function instead of open-coding it. Makes the code a bit shorter. Signed-off-by: Lars-Peter Clausen <lars@metafoo.de> Signed-off-by: Jonathan Cameron <jic23@kernel.org>
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af3d5cad0a
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35734fbdb5
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@ -90,7 +90,6 @@ static int adxrs450_spi_read_reg_16(struct iio_dev *indio_dev,
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u8 reg_address,
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u16 *val)
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{
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struct spi_message msg;
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struct adxrs450_state *st = iio_priv(indio_dev);
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u32 tx;
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int ret;
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@ -114,10 +113,7 @@ static int adxrs450_spi_read_reg_16(struct iio_dev *indio_dev,
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tx |= ADXRS450_P;
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st->tx = cpu_to_be32(tx);
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spi_message_init(&msg);
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spi_message_add_tail(&xfers[0], &msg);
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spi_message_add_tail(&xfers[1], &msg);
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ret = spi_sync(st->us, &msg);
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ret = spi_sync_transfer(st->us, xfers, ARRAY_SIZE(xfers));
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if (ret) {
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dev_err(&st->us->dev, "problem while reading 16 bit register 0x%02x\n",
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reg_address);
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@ -169,7 +165,6 @@ static int adxrs450_spi_write_reg_16(struct iio_dev *indio_dev,
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**/
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static int adxrs450_spi_sensor_data(struct iio_dev *indio_dev, s16 *val)
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{
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struct spi_message msg;
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struct adxrs450_state *st = iio_priv(indio_dev);
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int ret;
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struct spi_transfer xfers[] = {
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@ -188,10 +183,7 @@ static int adxrs450_spi_sensor_data(struct iio_dev *indio_dev, s16 *val)
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mutex_lock(&st->buf_lock);
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st->tx = cpu_to_be32(ADXRS450_SENSOR_DATA);
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spi_message_init(&msg);
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spi_message_add_tail(&xfers[0], &msg);
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spi_message_add_tail(&xfers[1], &msg);
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ret = spi_sync(st->us, &msg);
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ret = spi_sync_transfer(st->us, xfers, ARRAY_SIZE(xfers));
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if (ret) {
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dev_err(&st->us->dev, "Problem while reading sensor data\n");
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goto error_ret;
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