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| author | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2018-01-02 14:46:35 +0100 |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2018-01-02 14:46:35 +0100 |
| commit | b6a09416e83ffe4eccfb4ef1b91b3b66483fa810 (patch) | |
| tree | b30f266e85047244dcdb47d5afc134e76aec530d /drivers/hid/hid-cp2112.c | |
| parent | slimbus: qcom: fix incompatible pointer warning (diff) | |
| parent | Linux 4.15-rc6 (diff) | |
| download | linux-b6a09416e83ffe4eccfb4ef1b91b3b66483fa810.tar.xz linux-b6a09416e83ffe4eccfb4ef1b91b3b66483fa810.zip | |
Merge 4.15-rc6 into char-misc-next
We want the fixes in here as well.
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Diffstat (limited to 'drivers/hid/hid-cp2112.c')
| -rw-r--r-- | drivers/hid/hid-cp2112.c | 15 |
1 files changed, 13 insertions, 2 deletions
diff --git a/drivers/hid/hid-cp2112.c b/drivers/hid/hid-cp2112.c index 68cdc962265b..271f31461da4 100644 --- a/drivers/hid/hid-cp2112.c +++ b/drivers/hid/hid-cp2112.c @@ -696,8 +696,16 @@ static int cp2112_xfer(struct i2c_adapter *adap, u16 addr, (u8 *)&word, 2); break; case I2C_SMBUS_I2C_BLOCK_DATA: - size = I2C_SMBUS_BLOCK_DATA; - /* fallthrough */ + if (read_write == I2C_SMBUS_READ) { + read_length = data->block[0]; + count = cp2112_write_read_req(buf, addr, read_length, + command, NULL, 0); + } else { + count = cp2112_write_req(buf, addr, command, + data->block + 1, + data->block[0]); + } + break; case I2C_SMBUS_BLOCK_DATA: if (I2C_SMBUS_READ == read_write) { count = cp2112_write_read_req(buf, addr, @@ -785,6 +793,9 @@ static int cp2112_xfer(struct i2c_adapter *adap, u16 addr, case I2C_SMBUS_WORD_DATA: data->word = le16_to_cpup((__le16 *)buf); break; + case I2C_SMBUS_I2C_BLOCK_DATA: + memcpy(data->block + 1, buf, read_length); + break; case I2C_SMBUS_BLOCK_DATA: if (read_length > I2C_SMBUS_BLOCK_MAX) { ret = -EPROTO; |