diff options
| author |   Hans de Goede <hdegoede@redhat.com> | 2021-05-23 19:00:58 +0200 |
|---|---|---|
| committer |   Jonathan Cameron <Jonathan.Cameron@huawei.com> | 2021-06-09 20:51:51 +0100 |
| commit | 3aac11a7c2d1c6b165945893bdee43ea359d3e4f (patch) | |
| tree | d4bbd020ad080ff575d605baebdb4a9f9b46cdfc /drivers/iio | |
| parent | iio: accel: bmc150: Move check for second ACPI device into a separate function (diff) | |
| download | linux-dev-3aac11a7c2d1c6b165945893bdee43ea359d3e4f.tar.xz linux-dev-3aac11a7c2d1c6b165945893bdee43ea359d3e4f.zip | |
iio: accel: bmc150: Add support for dual-accelerometers with a DUAL250E HID
The Lenovo Yoga 300-11IBR has a ACPI fwnode with a HID of DUAL250E
which contains I2C and IRQ resources for 2 accelerometers, 1 in the
display and one in the base of the device. Add support for this.
Signed-off-by: Hans de Goede <hdegoede@redhat.com>
Reviewed-by: Andy Shevchenko <andy.shevchenko@gmail.com>
Link: https://lore.kernel.org/r/20210523170103.176958-5-hdegoede@redhat.com
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
Diffstat (limited to 'drivers/iio')
| -rw-r--r-- | drivers/iio/accel/bmc150-accel-i2c.c | 19 |
1 files changed, 12 insertions, 7 deletions
diff --git a/drivers/iio/accel/bmc150-accel-i2c.c b/drivers/iio/accel/bmc150-accel-i2c.c index f7cb40f481ef..41b4c9e22d60 100644 --- a/drivers/iio/accel/bmc150-accel-i2c.c +++ b/drivers/iio/accel/bmc150-accel-i2c.c @@ -24,6 +24,7 @@ #ifdef CONFIG_ACPI static const struct acpi_device_id bmc150_acpi_dual_accel_ids[] = { {"BOSC0200"}, + {"DUAL250E"}, { } }; @@ -36,21 +37,24 @@ static void bmc150_acpi_dual_accel_probe(struct i2c_client *client) { struct acpi_device *adev = ACPI_COMPANION(&client->dev); struct i2c_client *second_dev; + char dev_name[16]; struct i2c_board_info board_info = { .type = "bmc150_accel", - /* - * The 2nd accel sits in the base of 2-in-1s. Note this name is - * static, as there should never be more then 1 BOSC0200 ACPI - * node with 2 accelerometers in it. - */ - .dev_name = "BOSC0200:base", + .dev_name = dev_name, .fwnode = client->dev.fwnode, - .irq = -ENOENT, }; if (acpi_match_device_ids(adev, bmc150_acpi_dual_accel_ids)) return; + /* + * The 2nd accel sits in the base of 2-in-1s. The suffix is static, as + * there should never be more then 1 ACPI node with 2 accelerometers. + */ + snprintf(dev_name, sizeof(dev_name), "%s:base", acpi_device_hid(adev)); + + board_info.irq = acpi_dev_gpio_irq_get(adev, 1); + second_dev = i2c_acpi_new_device(&client->dev, 1, &board_info); if (!IS_ERR(second_dev)) bmc150_set_second_device(client, second_dev); @@ -118,6 +122,7 @@ static const struct acpi_device_id bmc150_accel_acpi_match[] = { {"BMA222E", bma222e}, {"BMA0280", bma280}, {"BOSC0200"}, + {"DUAL250E"}, { }, }; MODULE_DEVICE_TABLE(acpi, bmc150_accel_acpi_match); |