diff --git a/Documentation/devicetree/bindings/input/hid-over-i2c.txt b/Documentation/devicetree/bindings/input/hid-over-i2c.txt index c76bafaf98d2..34c43d3bddfd 100644 --- a/Documentation/devicetree/bindings/input/hid-over-i2c.txt +++ b/Documentation/devicetree/bindings/input/hid-over-i2c.txt @@ -32,6 +32,8 @@ device-specific compatible properties, which should be used in addition to the - vdd-supply: phandle of the regulator that provides the supply voltage. - post-power-on-delay-ms: time required by the device after enabling its regulators or powering it on, before it is ready for communication. +- touchscreen-inverted-x: See touchscreen.txt +- touchscreen-inverted-y: See touchscreen.txt Example: diff --git a/drivers/hid/i2c-hid/i2c-hid-acpi.c b/drivers/hid/i2c-hid/i2c-hid-acpi.c index a6f0257a26de..b96ae15e0ad9 100644 --- a/drivers/hid/i2c-hid/i2c-hid-acpi.c +++ b/drivers/hid/i2c-hid/i2c-hid-acpi.c @@ -111,7 +111,7 @@ static int i2c_hid_acpi_probe(struct i2c_client *client) } return i2c_hid_core_probe(client, &ihid_acpi->ops, - hid_descriptor_address); + hid_descriptor_address, 0); } static const struct acpi_device_id i2c_hid_acpi_match[] = { diff --git a/drivers/hid/i2c-hid/i2c-hid-core.c b/drivers/hid/i2c-hid/i2c-hid-core.c index 4cdd862ca1cb..be00e07df06c 100644 --- a/drivers/hid/i2c-hid/i2c-hid-core.c +++ b/drivers/hid/i2c-hid/i2c-hid-core.c @@ -912,7 +912,7 @@ static void i2c_hid_core_shutdown_tail(struct i2c_hid *ihid) } int i2c_hid_core_probe(struct i2c_client *client, struct i2chid_ops *ops, - u16 hid_descriptor_address) + u16 hid_descriptor_address, u32 quirks) { int ret; struct i2c_hid *ihid; @@ -1009,6 +1009,8 @@ int i2c_hid_core_probe(struct i2c_client *client, struct i2chid_ops *ops, goto err_mem_free; } + hid->quirks |= quirks; + return 0; err_mem_free: diff --git a/drivers/hid/i2c-hid/i2c-hid-of-goodix.c b/drivers/hid/i2c-hid/i2c-hid-of-goodix.c index 52674149a275..b4dad66fa954 100644 --- a/drivers/hid/i2c-hid/i2c-hid-of-goodix.c +++ b/drivers/hid/i2c-hid/i2c-hid-of-goodix.c @@ -150,7 +150,7 @@ static int i2c_hid_of_goodix_probe(struct i2c_client *client, goodix_i2c_hid_deassert_reset(ihid_goodix, true); mutex_unlock(&ihid_goodix->regulator_mutex); - return i2c_hid_core_probe(client, &ihid_goodix->ops, 0x0001); + return i2c_hid_core_probe(client, &ihid_goodix->ops, 0x0001, 0); } static const struct goodix_i2c_hid_timing_data goodix_gt7375p_timing_data = { diff --git a/drivers/hid/i2c-hid/i2c-hid-of.c b/drivers/hid/i2c-hid/i2c-hid-of.c index 4bf7cea92637..97a27a803f58 100644 --- a/drivers/hid/i2c-hid/i2c-hid-of.c +++ b/drivers/hid/i2c-hid/i2c-hid-of.c @@ -21,6 +21,7 @@ #include #include +#include #include #include #include @@ -71,6 +72,7 @@ static int i2c_hid_of_probe(struct i2c_client *client, struct device *dev = &client->dev; struct i2c_hid_of *ihid_of; u16 hid_descriptor_address; + u32 quirks = 0; int ret; u32 val; @@ -105,8 +107,14 @@ static int i2c_hid_of_probe(struct i2c_client *client, if (ret) return ret; + if (device_property_read_bool(dev, "touchscreen-inverted-x")) + quirks |= HID_QUIRK_X_INVERT; + + if (device_property_read_bool(dev, "touchscreen-inverted-y")) + quirks |= HID_QUIRK_Y_INVERT; + return i2c_hid_core_probe(client, &ihid_of->ops, - hid_descriptor_address); + hid_descriptor_address, quirks); } static const struct of_device_id i2c_hid_of_match[] = { diff --git a/drivers/hid/i2c-hid/i2c-hid.h b/drivers/hid/i2c-hid/i2c-hid.h index 05a7827d211a..236cc062d5ef 100644 --- a/drivers/hid/i2c-hid/i2c-hid.h +++ b/drivers/hid/i2c-hid/i2c-hid.h @@ -32,7 +32,7 @@ struct i2chid_ops { }; int i2c_hid_core_probe(struct i2c_client *client, struct i2chid_ops *ops, - u16 hid_descriptor_address); + u16 hid_descriptor_address, u32 quirks); int i2c_hid_core_remove(struct i2c_client *client); void i2c_hid_core_shutdown(struct i2c_client *client);