[PATCH 02/11] HID: i2c-hid: implement ll_driver transport-layer callbacks

From: Benjamin Tissoires
Date: Sat Feb 01 2014 - 23:53:19 EST


Add output_report and raw_request to i2c-hid.
Hopefully, we will manage to have the same transport level between
all the transport drivers.

Signed-off-by: Benjamin Tissoires <benjamin.tissoires@xxxxxxxxxx>
---
drivers/hid/i2c-hid/i2c-hid.c | 24 ++++++++++++++++++++++++
1 file changed, 24 insertions(+)

diff --git a/drivers/hid/i2c-hid/i2c-hid.c b/drivers/hid/i2c-hid/i2c-hid.c
index ce68a12..5099f1f 100644
--- a/drivers/hid/i2c-hid/i2c-hid.c
+++ b/drivers/hid/i2c-hid/i2c-hid.c
@@ -574,6 +574,28 @@ static int i2c_hid_output_raw_report(struct hid_device *hid, __u8 *buf,
return ret;
}

+static int i2c_hid_output_report(struct hid_device *hid, __u8 *buf,
+ size_t count)
+{
+ return i2c_hid_output_raw_report(hid, buf, count, HID_OUTPUT_REPORT);
+}
+
+static int i2c_hid_raw_request(struct hid_device *hid, unsigned char reportnum,
+ __u8 *buf, size_t len, unsigned char rtype,
+ int reqtype)
+{
+ switch (reqtype) {
+ case HID_REQ_GET_REPORT:
+ return i2c_hid_get_raw_report(hid, reportnum, buf, len, rtype);
+ case HID_REQ_SET_REPORT:
+ if (buf[0] != reportnum)
+ return -EINVAL;
+ return i2c_hid_output_raw_report(hid, buf, len, rtype);
+ default:
+ return -EIO;
+ }
+}
+
static void i2c_hid_request(struct hid_device *hid, struct hid_report *rep,
int reqtype)
{
@@ -761,6 +783,8 @@ static struct hid_ll_driver i2c_hid_ll_driver = {
.close = i2c_hid_close,
.power = i2c_hid_power,
.request = i2c_hid_request,
+ .output_report = i2c_hid_output_report,
+ .raw_request = i2c_hid_raw_request,
};

static int i2c_hid_init_irq(struct i2c_client *client)
--
1.8.3.1

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