diff options
Diffstat (limited to 'drivers')
| -rw-r--r-- | drivers/iio/adc/stm32-dfsdm-adc.c | 4 | ||||
| -rw-r--r-- | drivers/iio/adc/stm32-dfsdm.h | 2 | ||||
| -rw-r--r-- | drivers/spi/spi-atmel.c | 1 |
3 files changed, 6 insertions, 1 deletions
diff --git a/drivers/iio/adc/stm32-dfsdm-adc.c b/drivers/iio/adc/stm32-dfsdm-adc.c index c7e0109315f8..9234f14167b7 100644 --- a/drivers/iio/adc/stm32-dfsdm-adc.c +++ b/drivers/iio/adc/stm32-dfsdm-adc.c @@ -293,6 +293,7 @@ static int stm32_dfsdm_compute_osrs(struct stm32_dfsdm_filter *fl, max >>= flo->rshift; } flo->max = (s32)max; + flo->bits = bits; pr_debug("%s: fast %d, fosr %d, iosr %d, res 0x%llx/%d bits, rshift %d, lshift %d\n", __func__, fast, flo->fosr, flo->iosr, @@ -476,6 +477,9 @@ static int stm32_dfsdm_channels_configure(struct iio_dev *indio_dev, if (!flo->res) return -EINVAL; + dev_dbg(&indio_dev->dev, "Samples actual resolution: %d bits", + min(flo->bits, (u32)DFSDM_DATA_RES - 1)); + for_each_set_bit(bit, &adc->smask, sizeof(adc->smask) * BITS_PER_BYTE) { chan = indio_dev->channels + bit; diff --git a/drivers/iio/adc/stm32-dfsdm.h b/drivers/iio/adc/stm32-dfsdm.h index 5dbdae4ed881..4afc1f528b78 100644 --- a/drivers/iio/adc/stm32-dfsdm.h +++ b/drivers/iio/adc/stm32-dfsdm.h @@ -249,6 +249,7 @@ enum stm32_dfsdm_sinc_order { * @rshift: output sample right shift (hardware shift) * @lshift: output sample left shift (software shift) * @res: output sample resolution + * @bits: output sample resolution in bits * @max: output sample maximum positive value */ struct stm32_dfsdm_filter_osr { @@ -257,6 +258,7 @@ struct stm32_dfsdm_filter_osr { unsigned int rshift; unsigned int lshift; u64 res; + u32 bits; s32 max; }; diff --git a/drivers/spi/spi-atmel.c b/drivers/spi/spi-atmel.c index ce5bd06d49b7..0e5e64a80848 100644 --- a/drivers/spi/spi-atmel.c +++ b/drivers/spi/spi-atmel.c @@ -16,7 +16,6 @@ #include <linux/interrupt.h> #include <linux/spi/spi.h> #include <linux/slab.h> -#include <linux/platform_data/dma-atmel.h> #include <linux/of.h> #include <linux/io.h> |