Re: [PATCH v8 11/17] iio: adc: ad7944: add support for SPI offload
From: David Lechner <dlechner@baylibre.com>
Date: 2025-02-10 19:10:03
Also in:
linux-iio, linux-spi, lkml
On 2/7/25 2:09 PM, David Lechner wrote:
Add support for SPI offload to the ad7944 driver. This allows reading data at the max sample rate of 2.5 MSPS.
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quoted hunk ↗ jump to hunk
--- drivers/iio/adc/Kconfig | 1 + drivers/iio/adc/ad7944.c | 291 ++++++++++++++++++++++++++++++++++++++++++++--- 2 files changed, 276 insertions(+), 16 deletions(-)diff --git a/drivers/iio/adc/Kconfig b/drivers/iio/adc/Kconfig index a3e8ac569ce4c6b6b30b48acb265d530aa98e89c..995b9cacbaa964d26424346120c139858f93cdcd 100644 --- a/drivers/iio/adc/Kconfig +++ b/drivers/iio/adc/Kconfig@@ -360,6 +360,7 @@ config AD7923 config AD7944 tristate "Analog Devices AD7944 and similar ADCs driver" depends on SPI + select SPI_OFFLOAD select IIO_BUFFER
I missed adding select IIO_BUFFER_DMAENGINE Closes: https://lore.kernel.org/oe-kbuild-all/202502082251.NuHT15R7-lkp@intel.com/ (local)
select IIO_TRIGGERED_BUFFER help