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Input: imx6ul_tsc - unify open/close and PM paths

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Open/close and resume/suspend paths are very similar, let's factor out
common parts.

Signed-off-by: Dmitry Torokhov <dmitry.torokhov@gmail.com>
This commit is contained in:
Dmitry Torokhov 2020-09-14 10:31:07 -07:00
parent 30df23c5ec
commit 925145f9e9
1 changed files with 22 additions and 30 deletions
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52
drivers/input/touchscreen/imx6ul_tsc.c
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@ -315,9 +315,8 @@ static irqreturn_t adc_irq_fn(int irq, void *dev_id)
return IRQ_HANDLED;
}
static int imx6ul_tsc_open(struct input_dev *input_dev)
static int imx6ul_tsc_start(struct imx6ul_tsc *tsc)
{
struct imx6ul_tsc *tsc = input_get_drvdata(input_dev);
int err;
err = clk_prepare_enable(tsc->adc_clk);
@ -349,16 +348,29 @@ disable_adc_clk:
return err;
}
static void imx6ul_tsc_close(struct input_dev *input_dev)
static void imx6ul_tsc_stop(struct imx6ul_tsc *tsc)
{
struct imx6ul_tsc *tsc = input_get_drvdata(input_dev);
imx6ul_tsc_disable(tsc);
clk_disable_unprepare(tsc->tsc_clk);
clk_disable_unprepare(tsc->adc_clk);
}
static int imx6ul_tsc_open(struct input_dev *input_dev)
{
struct imx6ul_tsc *tsc = input_get_drvdata(input_dev);
return imx6ul_tsc_start(tsc);
}
static void imx6ul_tsc_close(struct input_dev *input_dev)
{
struct imx6ul_tsc *tsc = input_get_drvdata(input_dev);
imx6ul_tsc_stop(tsc);
}
static int imx6ul_tsc_probe(struct platform_device *pdev)
{
struct device_node *np = pdev->dev.of_node;
@ -509,12 +521,8 @@ static int __maybe_unused imx6ul_tsc_suspend(struct device *dev)
mutex_lock(&input_dev->mutex);
if (input_dev->users) {
imx6ul_tsc_disable(tsc);
clk_disable_unprepare(tsc->tsc_clk);
clk_disable_unprepare(tsc->adc_clk);
}
if (input_dev->users)
imx6ul_tsc_stop(tsc);
mutex_unlock(&input_dev->mutex);
@ -530,27 +538,11 @@ static int __maybe_unused imx6ul_tsc_resume(struct device *dev)
mutex_lock(&input_dev->mutex);
if (!input_dev->users)
goto out;
if (input_dev->users)
retval = imx6ul_tsc_start(tsc);
retval = clk_prepare_enable(tsc->adc_clk);
if (retval)
goto out;
retval = clk_prepare_enable(tsc->tsc_clk);
if (retval) {
clk_disable_unprepare(tsc->adc_clk);
goto out;
}
retval = imx6ul_tsc_init(tsc);
if (retval) {
clk_disable_unprepare(tsc->tsc_clk);
clk_disable_unprepare(tsc->adc_clk);
goto out;
}
out:
mutex_unlock(&input_dev->mutex);
return retval;
}