linux-kernel - [PATCH v3 4/6] iio: st_sensors: Add ACPI support for lsm303d to the LSM9DS0 IMU driver

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Message-Id: <20230415231130.115094-5-mail@mariushoch.de>
Date:   Sun, 16 Apr 2023 01:11:28 +0200
From:   Marius Hoch <mail@...iushoch.de>
To:     Jonathan Cameron <jic23@...nel.org>,
        Lars-Peter Clausen <lars@...afoo.de>,
        Rob Herring <robh+dt@...nel.org>,
        Krzysztof Kozlowski <krzysztof.kozlowski+dt@...aro.org>,
        Denis Ciocca <denis.ciocca@...com>,
        Linus Walleij <linus.walleij@...aro.org>,
        linux-iio@...r.kernel.org, devicetree@...r.kernel.org,
        linux-kernel@...r.kernel.org
Cc:     Hans de Goede <hdegoede@...hat.com>,
        Marius Hoch <mail@...iushoch.de>
Subject: [PATCH v3 4/6] iio: st_sensors: Add ACPI support for lsm303d to the LSM9DS0 IMU driver

The lsm303d can be found as ACCL0001 on various Lenovo devices,
including the Lenovo Yoga Tablet 2 1051-F, where I tested this
patch.

Signed-off-by: Marius Hoch <mail@...iushoch.de>
---
 drivers/iio/imu/st_lsm9ds0/st_lsm9ds0_i2c.c | 7 +++++++
 drivers/iio/imu/st_lsm9ds0/st_lsm9ds0_spi.c | 7 +++++++
 2 files changed, 14 insertions(+)

diff --git a/drivers/iio/imu/st_lsm9ds0/st_lsm9ds0_i2c.c b/drivers/iio/imu/st_lsm9ds0/st_lsm9ds0_i2c.c
index 64fa77d302e2..52f1ea6c457f 100644
--- a/drivers/iio/imu/st_lsm9ds0/st_lsm9ds0_i2c.c
+++ b/drivers/iio/imu/st_lsm9ds0/st_lsm9ds0_i2c.c
@@ -37,6 +37,12 @@ static const struct i2c_device_id st_lsm9ds0_id_table[] = {
 };
 MODULE_DEVICE_TABLE(i2c, st_lsm9ds0_id_table);
 
+static const struct acpi_device_id st_lsm9ds0_acpi_match[] = {
+	{"ACCL0001", (kernel_ulong_t)LSM303D_IMU_DEV_NAME},
+	{ },
+};
+MODULE_DEVICE_TABLE(acpi, st_lsm9ds0_acpi_match);
+
 static const struct regmap_config st_lsm9ds0_regmap_config = {
 	.reg_bits	= 8,
 	.val_bits	= 8,
@@ -73,6 +79,7 @@ static struct i2c_driver st_lsm9ds0_driver = {
 	.driver = {
 		.name = "st-lsm9ds0-i2c",
 		.of_match_table = st_lsm9ds0_of_match,
+		.acpi_match_table = st_lsm9ds0_acpi_match,
 	},
 	.probe_new = st_lsm9ds0_i2c_probe,
 	.id_table = st_lsm9ds0_id_table,
diff --git a/drivers/iio/imu/st_lsm9ds0/st_lsm9ds0_spi.c b/drivers/iio/imu/st_lsm9ds0/st_lsm9ds0_spi.c
index 997b5ff792be..55f3738193af 100644
--- a/drivers/iio/imu/st_lsm9ds0/st_lsm9ds0_spi.c
+++ b/drivers/iio/imu/st_lsm9ds0/st_lsm9ds0_spi.c
@@ -37,6 +37,12 @@ static const struct spi_device_id st_lsm9ds0_id_table[] = {
 };
 MODULE_DEVICE_TABLE(spi, st_lsm9ds0_id_table);
 
+static const struct acpi_device_id st_lsm9ds0_acpi_match[] = {
+	{"ACCL0001", (kernel_ulong_t)LSM303D_IMU_DEV_NAME},
+	{ },
+};
+MODULE_DEVICE_TABLE(acpi, st_lsm9ds0_acpi_match);
+
 static const struct regmap_config st_lsm9ds0_regmap_config = {
 	.reg_bits	= 8,
 	.val_bits	= 8,
@@ -72,6 +78,7 @@ static struct spi_driver st_lsm9ds0_driver = {
 	.driver = {
 		.name = "st-lsm9ds0-spi",
 		.of_match_table = st_lsm9ds0_of_match,
+		.acpi_match_table = st_lsm9ds0_acpi_match,
 	},
 	.probe = st_lsm9ds0_spi_probe,
 	.id_table = st_lsm9ds0_id_table,
-- 
2.39.2