HID: mcp2221: fix 'cast to restricted __le16' sparse warnings

Use (__force __le16) cast for adc_values le16_to_cpu conversion to correct following sparse
warnings:

drivers/hid/hid-mcp2221.c:950:32: sparse: sparse: cast to restricted __le16

Reported-by: kernel test robot <[email protected]>
Fixes: 960f9df7c620 ("HID: mcp2221: add ADC/DAC support via iio subsystem")
Signed-off-by: Matt Ranostay <[email protected]>
Signed-off-by: Jiri Kosina <[email protected]>

diff --git a/drivers/hid/hid-mcp2221.c b/drivers/hid/hid-mcp2221.c
index b3eaf170f0ec40d3efa49f07f723d6a7d72c860a..3014932c8cef55ccbc419a8c829e5fbac819420f 100644 (file)
--- a/drivers/hid/hid-mcp2221.c
+++ b/drivers/hid/hid-mcp2221.c
@@ -950,7 +950,7 @@ static int mcp2221_read_raw(struct iio_dev *indio_dev,
                ret = mcp_chk_last_cmd_status(mcp);
 
                if (!ret) {
-                       *val = le16_to_cpu(mcp->adc_values[channel->address]);
+                       *val = le16_to_cpu((__force __le16) mcp->adc_values[channel->address]);
                        if (*val >= BIT(10))
                                ret =  -EINVAL;
                        else