diff options
Diffstat (limited to 'drivers/iio/imu/adis_buffer.c')
| -rw-r--r-- | drivers/iio/imu/adis_buffer.c | 15 |
1 files changed, 15 insertions, 0 deletions
diff --git a/drivers/iio/imu/adis_buffer.c b/drivers/iio/imu/adis_buffer.c index 785713349e9f..99d8e0b0dd34 100644 --- a/drivers/iio/imu/adis_buffer.c +++ b/drivers/iio/imu/adis_buffer.c @@ -83,10 +83,25 @@ static irqreturn_t adis_trigger_handler(int irq, void *p) if (!adis->buffer) return -ENOMEM; + if (adis->data->has_paging) { + mutex_lock(&adis->txrx_lock); + if (adis->current_page != 0) { + adis->tx[0] = ADIS_WRITE_REG(ADIS_REG_PAGE_ID); + adis->tx[1] = 0; + spi_write(adis->spi, adis->tx, 2); + } + } + ret = spi_sync(adis->spi, &adis->msg); if (ret) dev_err(&adis->spi->dev, "Failed to read data: %d", ret); + + if (adis->data->has_paging) { + adis->current_page = 0; + mutex_unlock(&adis->txrx_lock); + } + /* Guaranteed to be aligned with 8 byte boundary */ if (indio_dev->scan_timestamp) { void *b = adis->buffer + indio_dev->scan_bytes - sizeof(s64); |