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Subject[PATCH] HID: i2c-hid: Allow ACPI systems to specify "post-power-on-delay-ms"
Date
The property "post-power-on-delay-ms"" allows a platform to specify
the delay needed after power-on, but only via device trees. Thus
allow ACPI systems to also provide the same information.

Signed-off-by: Rajat Jain <rajatja@google.com>
---
drivers/hid/i2c-hid/i2c-hid.c | 5 +++++
1 file changed, 5 insertions(+)

diff --git a/drivers/hid/i2c-hid/i2c-hid.c b/drivers/hid/i2c-hid/i2c-hid.c
index 77396145d2d0..97405156315a 100644
--- a/drivers/hid/i2c-hid/i2c-hid.c
+++ b/drivers/hid/i2c-hid/i2c-hid.c
@@ -865,6 +865,7 @@ static int i2c_hid_acpi_pdata(struct i2c_client *client,
union acpi_object *obj;
struct acpi_device *adev;
acpi_handle handle;
+ u32 val;

handle = ACPI_HANDLE(&client->dev);
if (!handle || acpi_bus_get_device(handle, &adev))
@@ -880,6 +881,10 @@ static int i2c_hid_acpi_pdata(struct i2c_client *client,
pdata->hid_descriptor_address = obj->integer.value;
ACPI_FREE(obj);

+ if (!device_property_read_u32(&client->dev, "post-power-on-delay-ms",
+ &val))
+ pdata->post_power_delay_ms = val;
+
return 0;
}

--
2.14.2.822.g60be5d43e6-goog
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