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authorNatália Salvino André <natalia.andre@ime.usp.br>2026-05-19 20:40:48 -0300
committerJonathan Cameron <jic23@kernel.org>2026-05-31 11:01:47 +0100
commitf1cb3d3afd1024269ec1887a36b28efd9ea849a3 (patch)
treec4e1b6d1c8ed623f8ad3689c8dc914f861170fa7
parent339002636932e56191ba810975a876fe4a3e223f (diff)
iio: pressure: HID: hid-sensor-press: Refactor channel initialization
Replace the local press_adjust_channel_bit_mask() function with a compound literal for scan_type initialization to improve code readability. Signed-off-by: Natália Salvino André <natalia.andre@ime.usp.br> Co-developed-by: Pietro Di Consolo Gregorio <pietro.gregorio@usp.br> Signed-off-by: Pietro Di Consolo Gregorio <pietro.gregorio@usp.br> Signed-off-by: Jonathan Cameron <jic23@kernel.org>
-rw-r--r--drivers/iio/pressure/hid-sensor-press.c19
1 files changed, 6 insertions, 13 deletions
diff --git a/drivers/iio/pressure/hid-sensor-press.c b/drivers/iio/pressure/hid-sensor-press.c
index 5f1d6abda3e4..a039b99d9851 100644
--- a/drivers/iio/pressure/hid-sensor-press.c
+++ b/drivers/iio/pressure/hid-sensor-press.c
@@ -3,6 +3,7 @@
* HID Sensors Driver
* Copyright (c) 2014, Intel Corporation.
*/
+#include <linux/bitops.h>
#include <linux/device.h>
#include <linux/platform_device.h>
#include <linux/module.h>
@@ -53,17 +54,6 @@ static const struct iio_chan_spec press_channels[] = {
};
-/* Adjust channel real bits based on report descriptor */
-static void press_adjust_channel_bit_mask(struct iio_chan_spec *channels,
- int channel, int size)
-{
- channels[channel].scan_type.sign = 's';
- /* Real storage bits will change based on the report desc. */
- channels[channel].scan_type.realbits = size * 8;
- /* Maximum size of a sample to capture is u32 */
- channels[channel].scan_type.storagebits = sizeof(u32) * 8;
-}
-
/* Channel read_raw handler */
static int press_read_raw(struct iio_dev *indio_dev,
struct iio_chan_spec const *chan,
@@ -225,8 +215,11 @@ static int press_parse_report(struct platform_device *pdev,
&st->press_attr);
if (ret < 0)
return ret;
- press_adjust_channel_bit_mask(channels, CHANNEL_SCAN_INDEX_PRESSURE,
- st->press_attr.size);
+ channels[CHANNEL_SCAN_INDEX_PRESSURE].scan_type = (struct iio_scan_type) {
+ .format = 's',
+ .realbits = BYTES_TO_BITS(st->press_attr.size),
+ .storagebits = BITS_PER_TYPE(u32),
+ };
dev_dbg(&pdev->dev, "press %x:%x\n", st->press_attr.index,
st->press_attr.report_id);