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authorNatália Salvino André <natalia.andre@ime.usp.br>2026-05-19 20:40:46 -0300
committerJonathan Cameron <jic23@kernel.org>2026-05-31 11:01:47 +0100
commite6cd87745a456548e1a2f9ae90927e18a10b57fe (patch)
treec8886e1bcff0bcbc771f9e8980293e3ad28387de
parentcded217233845577e58b0720a61ebce556196f08 (diff)
iio: light: HID: hid-sensor-prox: Refactor channel initialization
Replace the local prox_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/light/hid-sensor-prox.c19
1 files changed, 6 insertions, 13 deletions
diff --git a/drivers/iio/light/hid-sensor-prox.c b/drivers/iio/light/hid-sensor-prox.c
index efa904a70d0e..edc9274a2c07 100644
--- a/drivers/iio/light/hid-sensor-prox.c
+++ b/drivers/iio/light/hid-sensor-prox.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>
@@ -67,17 +68,6 @@ static const struct iio_chan_spec prox_channels[] = {
PROX_CHANNEL(false, 0),
};
-/* Adjust channel real bits based on report descriptor */
-static void prox_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 prox_read_raw(struct iio_dev *indio_dev,
struct iio_chan_spec const *chan,
@@ -250,8 +240,11 @@ static int prox_parse_report(struct platform_device *pdev,
st->scan_mask[0] |= BIT(index);
channels[index] = prox_channels[i];
channels[index].scan_index = index;
- prox_adjust_channel_bit_mask(channels, index,
- st->prox_attr[index].size);
+ channels[index].scan_type = (struct iio_scan_type) {
+ .format = 's',
+ .realbits = BYTES_TO_BITS(st->prox_attr[index].size),
+ .storagebits = BITS_PER_TYPE(u32),
+ };
dev_dbg(&pdev->dev, "prox %x:%x\n", st->prox_attr[index].index,
st->prox_attr[index].report_id);
st->scale_precision[index] =