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General drivers code improvements #3

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cc1c0f3
touchscreen: fts_521: fix a misleading indentation warning
UtsavBalar1231 Jul 24, 2020
ee19d34
fts_521: stop flooding the logs
Official-Ayrton990 Jul 24, 2020
8c1e1c8
fts_521: remove memory allocation
Official-Ayrton990 Jul 26, 2020
3d94e69
drm: msm: refactor dsi_panel_get_fod_dim_alpha
Official-Ayrton990 Jul 30, 2020
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21 changes: 12 additions & 9 deletions drivers/gpu/drm/msm/dsi-staging/dsi_panel.c
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Original file line number Diff line number Diff line change
Expand Up @@ -708,24 +708,27 @@ static u32 interpolate(uint32_t x, uint32_t xa, uint32_t xb, uint32_t ya, uint32
u32 dsi_panel_get_fod_dim_alpha(struct dsi_panel *panel)
{
u32 brightness = dsi_panel_get_backlight(panel);
int i;
int i, alpha;

if (!panel->fod_dim_lut)
return 0;
alpha = 0;

for (i = 0; i < panel->fod_dim_lut_count; i++)
if (panel->fod_dim_lut[i].brightness >= brightness)
break;

if (i == 0)
return panel->fod_dim_lut[i].alpha;
alpha = panel->fod_dim_lut[0].alpha;

if (i == panel->fod_dim_lut_count)
return panel->fod_dim_lut[i - 1].alpha;

return interpolate(brightness,
panel->fod_dim_lut[i - 1].brightness, panel->fod_dim_lut[i].brightness,
panel->fod_dim_lut[i - 1].alpha, panel->fod_dim_lut[i].alpha);
else if (i == panel->fod_dim_lut_count)
alpha = panel->fod_dim_lut[brightness - 1].alpha;
else
alpha = interpolate(brightness,
panel->fod_dim_lut[i - 1].brightness,
panel->fod_dim_lut[i].brightness,
panel->fod_dim_lut[i - 1].alpha,
panel->fod_dim_lut[i].alpha);
return alpha;
}

int dsi_panel_update_doze(struct dsi_panel *panel) {
Expand Down
32 changes: 5 additions & 27 deletions drivers/input/touchscreen/fts_521/fts.c
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Original file line number Diff line number Diff line change
Expand Up @@ -3127,10 +3127,9 @@ static void fts_enter_pointer_event_handler(struct fts_ts_info *info,

input_mt_report_slot_state(info->input_dev, tool, 1);
input_report_key(info->input_dev, BTN_TOUCH, touch_condition);
if (touch_condition)
input_report_key(info->input_dev, BTN_TOOL_FINGER, 1);

/*input_report_abs(info->input_dev, ABS_MT_TRACKING_ID, touchId); */
if (touch_condition)
input_report_key(info->input_dev, BTN_TOOL_FINGER, 1);
/*input_report_abs(info->input_dev, ABS_MT_TRACKING_ID, touchId); */
input_report_abs(info->input_dev, ABS_MT_POSITION_X, x);
input_report_abs(info->input_dev, ABS_MT_POSITION_Y, y);
input_report_abs(info->input_dev, ABS_MT_TOUCH_MINOR, z);
Expand Down Expand Up @@ -3166,15 +3165,6 @@ static void fts_enter_pointer_event_handler(struct fts_ts_info *info,
"%s %s : Event 0x%02x - ID[%d], (x, y, z) = (%3d, %3d, %3d) type = %d, size = %d, overlap:%d\n",
tag, __func__, *event, touchId, x, y, z, touchType, area_size,
info->fod_overlap);
if (event[0] == 0x13)
logError(1,
"%s %s : Event 0x%02x - Press ID[%d] type = %d\n", tag,
__func__, event[0], touchId, touchType);

#ifndef CONFIG_FTS_FOD_AREA_REPORT
no_report:
return;
#endif
}

/**
Expand Down Expand Up @@ -3293,11 +3283,7 @@ static void fts_leave_pointer_event_handler(struct fts_ts_info *info,
__func__, touchId, touchType);
else
#endif
logError(1,
"%s %s : Event 0x%02x - release ID[%d] type = %d\n", tag,
__func__, event[0], touchId, touchType);

input_sync(info->input_dev);
input_sync(info->input_dev);
#ifdef CONFIG_FTS_FOD_AREA_REPORT
exit:
#endif
Expand Down Expand Up @@ -5843,8 +5829,7 @@ static int fts_probe(struct spi_device *client)
int retval;
int skip_5_1 = 0;
u16 bus_type;
u8 *tp_maker;


logError(1, "%s %s: driver ver: %s\n", tag, __func__,
FTS_TS_DRV_VERSION);

Expand Down Expand Up @@ -6197,13 +6182,6 @@ static int fts_probe(struct spi_device *client)
logError(1, "%s Error: can not create /proc file! \n", tag);
info->dbclick_count = 0;

tp_maker = kzalloc(20, GFP_KERNEL);
if (tp_maker == NULL)
logError(1, "%s fail to alloc vendor name memory\n", tag);
else {
kfree(tp_maker);
tp_maker = NULL;
}
device_init_wakeup(&client->dev, 1);

init_completion(&info->pm_resume_completion);
Expand Down