[PATCH 5/7] HID: uclogic: Access pen/frame params directly in raw_event handling

From: José Expósito
Date: Thu Feb 10 2022 - 14:05:08 EST


From: Nikolai Kondrashov <spbnick@xxxxxxxxx>

Simplify the raw event handling code by accessing the
uclogic_params_pen/uclogic_params_frame structs directly.

Signed-off-by: Nikolai Kondrashov <spbnick@xxxxxxxxx>
Signed-off-by: José Expósito <jose.exposito89@xxxxxxxxx>
---
drivers/hid/hid-uclogic-core.c | 24 +++++++++++-------------
1 file changed, 11 insertions(+), 13 deletions(-)

diff --git a/drivers/hid/hid-uclogic-core.c b/drivers/hid/hid-uclogic-core.c
index 9187fd835a46..56b76d9b46af 100644
--- a/drivers/hid/hid-uclogic-core.c
+++ b/drivers/hid/hid-uclogic-core.c
@@ -259,13 +259,13 @@ static int uclogic_resume(struct hid_device *hdev)
static int uclogic_raw_event_pen(struct uclogic_drvdata *drvdata,
u8 *data, int size)
{
- struct uclogic_params *params = &drvdata->params;
+ struct uclogic_params_pen *pen = &drvdata->params.pen;

WARN_ON(drvdata == NULL);
WARN_ON(data == NULL && size != 0);

/* If in-range reports are inverted */
- if (params->pen.inrange ==
+ if (pen->inrange ==
UCLOGIC_PARAMS_PEN_INRANGE_INVERTED) {
/* Invert the in-range bit */
data[1] ^= 0x40;
@@ -274,7 +274,7 @@ static int uclogic_raw_event_pen(struct uclogic_drvdata *drvdata,
* If report contains fragmented high-resolution pen
* coordinates
*/
- if (size >= 10 && params->pen.fragmented_hires) {
+ if (size >= 10 && pen->fragmented_hires) {
u8 pressure_low_byte;
u8 pressure_high_byte;

@@ -296,7 +296,7 @@ static int uclogic_raw_event_pen(struct uclogic_drvdata *drvdata,
data[9] = pressure_high_byte;
}
/* If we need to emulate in-range detection */
- if (params->pen.inrange == UCLOGIC_PARAMS_PEN_INRANGE_NONE) {
+ if (pen->inrange == UCLOGIC_PARAMS_PEN_INRANGE_NONE) {
/* Set in-range bit */
data[1] |= 0x40;
/* (Re-)start in-range timeout */
@@ -304,7 +304,7 @@ static int uclogic_raw_event_pen(struct uclogic_drvdata *drvdata,
jiffies + msecs_to_jiffies(100));
}
/* If we report tilt and Y direction is flipped */
- if (size >= 12 && params->pen.tilt_y_flipped)
+ if (size >= 12 && pen->tilt_y_flipped)
data[11] = -data[11];

return 0;
@@ -323,21 +323,19 @@ static int uclogic_raw_event_pen(struct uclogic_drvdata *drvdata,
static int uclogic_raw_event_frame(struct uclogic_drvdata *drvdata,
u8 *data, int size)
{
- struct uclogic_params *params = &drvdata->params;
+ struct uclogic_params_frame *frame = &drvdata->params.frame;

WARN_ON(drvdata == NULL);
WARN_ON(data == NULL && size != 0);

/* If need to, and can, set pad device ID for Wacom drivers */
- if (params->frame.dev_id_byte > 0 &&
- params->frame.dev_id_byte < size) {
- data[params->frame.dev_id_byte] = 0xf;
+ if (frame->dev_id_byte > 0 && frame->dev_id_byte < size) {
+ data[frame->dev_id_byte] = 0xf;
}
/* If need to, and can, read rotary encoder state change */
- if (params->frame.re_lsb > 0 &&
- params->frame.re_lsb / 8 < size) {
- unsigned int byte = params->frame.re_lsb / 8;
- unsigned int bit = params->frame.re_lsb % 8;
+ if (frame->re_lsb > 0 && frame->re_lsb / 8 < size) {
+ unsigned int byte = frame->re_lsb / 8;
+ unsigned int bit = frame->re_lsb % 8;

u8 change;
u8 prev_state = drvdata->re_state;
--
2.25.1