AuxXxilium/linux_dsm_epyc7002
1
0
Fork 0
mirror of https://github.com/AuxXxilium/linux_dsm_epyc7002.git synced 2024-12-15 11:36:41 +07:00
Code Issues Actions Packages Projects Releases Wiki Activity

Input: ti_am335x_tsc: Mark TSC device as wakeup source

Browse Source 
Instead of TSCADC MFD device, mark TSC as wakeup source and change all
wakeup related PM calls to operate on TSC device.

Signed-off-by: Vignesh R <vigneshr@ti.com>
Acked-by: Dmitry Torokhov <dmitry.torokhov@gmail.com>
Signed-off-by: Lee Jones <lee.jones@linaro.org>
This commit is contained in:
Vignesh R 2018-06-30 16:03:15 +05:30 committed by Lee Jones
parent cec945c293
commit 333e07ec4b
1 changed files with 11 additions and 5 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

16
drivers/input/touchscreen/ti_am335x_tsc.c
View File

@ -46,6 +46,7 @@ static const int config_pins[] = {
struct titsc {
struct input_dev *input;
struct ti_tscadc_dev *mfd_tscadc;
struct device *dev;
unsigned int irq;
unsigned int wires;
unsigned int x_plate_resistance;
@ -276,7 +277,7 @@ static irqreturn_t titsc_irq(int irq, void *dev)
if (status & IRQENB_HW_PEN) {
ts_dev->pen_down = true;
irqclr |= IRQENB_HW_PEN;
pm_stay_awake(ts_dev->mfd_tscadc->dev);
pm_stay_awake(ts_dev->dev);
}
if (status & IRQENB_PENUP) {
@ -286,7 +287,7 @@ static irqreturn_t titsc_irq(int irq, void *dev)
input_report_key(input_dev, BTN_TOUCH, 0);
input_report_abs(input_dev, ABS_PRESSURE, 0);
input_sync(input_dev);
pm_relax(ts_dev->mfd_tscadc->dev);
pm_relax(ts_dev->dev);
} else {
ts_dev->pen_down = true;
}
@ -422,6 +423,7 @@ static int titsc_probe(struct platform_device *pdev)
ts_dev->mfd_tscadc = tscadc_dev;
ts_dev->input = input_dev;
ts_dev->irq = tscadc_dev->irq;
ts_dev->dev = &pdev->dev;
err = titsc_parse_dt(pdev, ts_dev);
if (err) {
@ -436,6 +438,8 @@ static int titsc_probe(struct platform_device *pdev)
goto err_free_mem;
}
device_init_wakeup(&pdev->dev, true);
titsc_writel(ts_dev, REG_IRQSTATUS, TSC_IRQENB_MASK);
titsc_writel(ts_dev, REG_IRQENABLE, IRQENB_FIFO0THRES);
titsc_writel(ts_dev, REG_IRQENABLE, IRQENB_EOS);
@ -467,6 +471,7 @@ static int titsc_probe(struct platform_device *pdev)
return 0;
err_free_irq:
device_init_wakeup(&pdev->dev, false);
free_irq(ts_dev->irq, ts_dev);
err_free_mem:
input_free_device(input_dev);
@ -479,6 +484,7 @@ static int titsc_remove(struct platform_device *pdev)
struct titsc *ts_dev = platform_get_drvdata(pdev);
u32 steps;
device_init_wakeup(&pdev->dev, false);
free_irq(ts_dev->irq, ts_dev);
/* total steps followed by the enable mask */
@ -499,7 +505,7 @@ static int __maybe_unused titsc_suspend(struct device *dev)
unsigned int idle;
tscadc_dev = ti_tscadc_dev_get(to_platform_device(dev));
if (device_may_wakeup(tscadc_dev->dev)) {
if (device_may_wakeup(dev)) {
titsc_writel(ts_dev, REG_IRQSTATUS, TSC_IRQENB_MASK);
idle = titsc_readl(ts_dev, REG_IRQENABLE);
titsc_writel(ts_dev, REG_IRQENABLE,
@ -515,11 +521,11 @@ static int __maybe_unused titsc_resume(struct device *dev)
struct ti_tscadc_dev *tscadc_dev;
tscadc_dev = ti_tscadc_dev_get(to_platform_device(dev));
if (device_may_wakeup(tscadc_dev->dev)) {
if (device_may_wakeup(dev)) {
titsc_writel(ts_dev, REG_IRQWAKEUP,
0x00);
titsc_writel(ts_dev, REG_IRQCLR, IRQENB_HW_PEN);
pm_relax(ts_dev->mfd_tscadc->dev);
pm_relax(dev);
}
titsc_step_config(ts_dev);
titsc_writel(ts_dev, REG_FIFO0THR,