linux-kernel - [PATCH v3] iio: accel: adxl345: Add ACPI HID table

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Date:   Tue, 15 Feb 2022 12:20:11 +0800
From:   Kai-Heng Feng <kai.heng.feng@...onical.com>
To:     lars@...afoo.de, Michael.Hennerich@...log.com, jic23@...nel.org
Cc:     andy.shevchenko@...il.com,
        Kai-Heng Feng <kai.heng.feng@...onical.com>,
        linux-iio@...r.kernel.org, linux-kernel@...r.kernel.org
Subject: [PATCH v3] iio: accel: adxl345: Add ACPI HID table

x86 boards may use ACPI HID "ADS0345" for adxl345 device.

Analog replied:
"ADS034X is not a valid PNP ID. ADS0345 would be.
I'm not aware that this ID is already taken.
Feel free to submit a mainline Linux input mailing list patch."

So add an ACPI match table for that accordingly.

Suggested-by: Andy Shevchenko <andy.shevchenko@...il.com>
Signed-off-by: Kai-Heng Feng <kai.heng.feng@...onical.com>
---
v3:
 - Convert the driver from input to iio.

v2:
 - Drop ACPI_PTR()
 - Drop redundant empty line and comma
 - Add info from vendor

 drivers/iio/accel/adxl345_i2c.c | 8 ++++++++
 1 file changed, 8 insertions(+)

diff --git a/drivers/iio/accel/adxl345_i2c.c b/drivers/iio/accel/adxl345_i2c.c
index a431cba216e69..1d57050c775de 100644
--- a/drivers/iio/accel/adxl345_i2c.c
+++ b/drivers/iio/accel/adxl345_i2c.c
@@ -41,6 +41,7 @@ static int adxl345_i2c_probe(struct i2c_client *client,
 static const struct i2c_device_id adxl345_i2c_id[] = {
 	{ "adxl345", ADXL345 },
 	{ "adxl375", ADXL375 },
+	{ "ADS0345:00", ADXL345 },
 	{ }
 };
 
@@ -54,10 +55,17 @@ static const struct of_device_id adxl345_of_match[] = {
 
 MODULE_DEVICE_TABLE(of, adxl345_of_match);
 
+static const struct acpi_device_id adxl345_acpi_match[] = {
+	{ "ADS0345" },
+	{ }
+};
+MODULE_DEVICE_TABLE(acpi, adxl345_acpi_match);
+
 static struct i2c_driver adxl345_i2c_driver = {
 	.driver = {
 		.name	= "adxl345_i2c",
 		.of_match_table = adxl345_of_match,
+		.acpi_match_table = adxl345_acpi_match,
 	},
 	.probe		= adxl345_i2c_probe,
 	.id_table	= adxl345_i2c_id,
-- 
2.34.1