i2c: dln2: Pass forward ACPI companion

Share the ACPI companion for the platform device with the
i2c adapter, so that the adapter has access to the properties
defined in ACPI tables.

Signed-off-by: Irina Tirdea <irina.tirdea@intel.com>
Acked-by: Mika Westerberg <mika.westerberg@linux.intel.com>
Signed-off-by: Wolfram Sang <wsa@the-dreams.de>

diff --git a/drivers/i2c/busses/i2c-dln2.c b/drivers/i2c/busses/i2c-dln2.c
index 1600edd..f2eb4f7 100644 (file)
--- a/drivers/i2c/busses/i2c-dln2.c
+++ b/drivers/i2c/busses/i2c-dln2.c
@@ -19,6 +19,7 @@
 #include <linux/i2c.h>
 #include <linux/platform_device.h>
 #include <linux/mfd/dln2.h>
+#include <linux/acpi.h>
 
 #define DLN2_I2C_MODULE_ID             0x03
 #define DLN2_I2C_CMD(cmd)              DLN2_CMD(cmd, DLN2_I2C_MODULE_ID)
@@ -210,6 +211,7 @@ static int dln2_i2c_probe(struct platform_device *pdev)
        dln2->adapter.algo = &dln2_i2c_usb_algorithm;
        dln2->adapter.quirks = &dln2_i2c_quirks;
        dln2->adapter.dev.parent = dev;
+       ACPI_COMPANION_SET(&dln2->adapter.dev, ACPI_COMPANION(&pdev->dev));
        dln2->adapter.dev.of_node = dev->of_node;
        i2c_set_adapdata(&dln2->adapter, dln2);
        snprintf(dln2->adapter.name, sizeof(dln2->adapter.name), "%s-%s-%d",