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-rw-r--r--drivers/hid/i2c-hid/i2c-hid-core.c19
1 files changed, 9 insertions, 10 deletions
diff --git a/drivers/hid/i2c-hid/i2c-hid-core.c b/drivers/hid/i2c-hid/i2c-hid-core.c
index 7b7127534e24..30b545c67eb8 100644
--- a/drivers/hid/i2c-hid/i2c-hid-core.c
+++ b/drivers/hid/i2c-hid/i2c-hid-core.c
@@ -105,7 +105,6 @@ struct i2c_hid_cmd {
.registerIndex = offsetof(struct i2c_hid_desc, wCommandRegister)
/* commands */
-static const struct i2c_hid_cmd hid_reset_cmd = { I2C_HID_CMD(0x01) };
static const struct i2c_hid_cmd hid_get_report_cmd = { I2C_HID_CMD(0x02) };
/*
@@ -283,14 +282,6 @@ static int __i2c_hid_command(struct i2c_hid *ihid,
return i2c_hid_xfer(ihid, ihid->cmdbuf, length, buf_recv, data_len);
}
-static int i2c_hid_command(struct i2c_hid *ihid,
- const struct i2c_hid_cmd *command,
- unsigned char *buf_recv, int data_len)
-{
- return __i2c_hid_command(ihid, command, 0, 0, NULL, 0,
- buf_recv, data_len);
-}
-
static int i2c_hid_get_report(struct i2c_hid *ihid, u8 reportType,
u8 reportID, unsigned char *buf_recv, int data_len)
{
@@ -455,13 +446,21 @@ set_pwr_exit:
static int i2c_hid_execute_reset(struct i2c_hid *ihid)
{
+ size_t length = 0;
int ret;
i2c_hid_dbg(ihid, "resetting...\n");
+ /* Prepare reset command. Command register goes first. */
+ *(__le16 *)ihid->cmdbuf = ihid->hdesc.wCommandRegister;
+ length += sizeof(__le16);
+ /* Next is RESET command itself */
+ length += i2c_hid_encode_command(ihid->cmdbuf + length,
+ I2C_HID_OPCODE_RESET, 0, 0);
+
set_bit(I2C_HID_RESET_PENDING, &ihid->flags);
- ret = i2c_hid_command(ihid, &hid_reset_cmd, NULL, 0);
+ ret = i2c_hid_xfer(ihid, ihid->cmdbuf, length, NULL, 0);
if (ret) {
dev_err(&ihid->client->dev, "failed to reset device.\n");
goto out;