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authorNicola Lunghi <nicola.lunghi@emutex.com>2018-10-25 16:35:41 +0100
committerJonathan Cameron <Jonathan.Cameron@huawei.com>2018-11-03 09:44:32 +0000
commitbd5d54e4d49d4cd46a938e59fc4ef21d05811d1c (patch)
treef06c07d3309c8275f10c6daf7dfb5542c52fda42 /drivers
parent37cd3c8768edc753d4323c338205ebf430fa43fb (diff)
downloadlinux-bd5d54e4d49d4cd46a938e59fc4ef21d05811d1c.tar.bz2
iio: adc128s052: add ACPI _HID AANT1280
ACPI _HID AANT1280 matches an ADC124S101 present on E3940 SKUs of the UP Squared board. Add it to the driver. Signed-off-by: Nicola Lunghi <nicola.lunghi@emutex.com> [javier@emutex.com: fix up commit message and one checkpatch warning] Signed-off-by: Javier Arteaga <javier@emutex.com> Signed-off-by: Dan O'Donovan <dan@emutex.com> Reviewed-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com> Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
Diffstat (limited to 'drivers')
-rw-r--r--drivers/iio/adc/ti-adc128s052.c18
1 files changed, 17 insertions, 1 deletions
diff --git a/drivers/iio/adc/ti-adc128s052.c b/drivers/iio/adc/ti-adc128s052.c
index 4ab6552bd06b..db92716003b2 100644
--- a/drivers/iio/adc/ti-adc128s052.c
+++ b/drivers/iio/adc/ti-adc128s052.c
@@ -12,10 +12,12 @@
* published by the Free Software Foundation.
*/
+#include <linux/acpi.h>
#include <linux/err.h>
#include <linux/spi/spi.h>
#include <linux/module.h>
#include <linux/iio/iio.h>
+#include <linux/property.h>
#include <linux/regulator/consumer.h>
struct adc128_configuration {
@@ -135,10 +137,15 @@ static const struct iio_info adc128_info = {
static int adc128_probe(struct spi_device *spi)
{
struct iio_dev *indio_dev;
+ unsigned int config;
struct adc128 *adc;
- int config = spi_get_device_id(spi)->driver_data;
int ret;
+ if (dev_fwnode(&spi->dev))
+ config = (unsigned long) device_get_match_data(&spi->dev);
+ else
+ config = spi_get_device_id(spi)->driver_data;
+
indio_dev = devm_iio_device_alloc(&spi->dev, sizeof(*adc));
if (!indio_dev)
return -ENOMEM;
@@ -207,10 +214,19 @@ static const struct spi_device_id adc128_id[] = {
};
MODULE_DEVICE_TABLE(spi, adc128_id);
+#ifdef CONFIG_ACPI
+static const struct acpi_device_id adc128_acpi_match[] = {
+ { "AANT1280", 2 }, /* ADC124S021 compatible ACPI ID */
+ { }
+};
+MODULE_DEVICE_TABLE(acpi, adc128_acpi_match);
+#endif
+
static struct spi_driver adc128_driver = {
.driver = {
.name = "adc128s052",
.of_match_table = of_match_ptr(adc128_of_match),
+ .acpi_match_table = ACPI_PTR(adc128_acpi_match),
},
.probe = adc128_probe,
.remove = adc128_remove,