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authorLinus Torvalds <[email protected]>2020-10-23 16:16:31 -0700
committerLinus Torvalds <[email protected]>2020-10-23 16:16:31 -0700
commitbd7e8c996f5aba542f416ee6d19e91fd3668674f (patch)
treed75c0094e0e2f82d18e02fbb7e5362984b36863f /drivers/input/touchscreen/imx6ul_tsc.c
parent40a03b750bb3ded71a0f21a0b7dfbf3b24068dcb (diff)
parentbb0bc0cfeabc0d6865865e8d3a601bea6711f951 (diff)
Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/dtor/input
Pull input updates from Dmitry Torokhov: - a new driver for ADC driven joysticks - a new Zintix touchscreen driver - enhancements to Intel SoC button array driver - support for F3A "function" in Synaptics RMI4 driver - assorted driver fixups * 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/dtor/input: (29 commits) Input: Add MAINTAINERS entry for SiS i2c touch input driver Input: evdev - per-client waitgroups Input: synaptics - enable InterTouch for ThinkPad T14 Gen 1 Input: synaptics - enable InterTouch for ThinkPad P1/X1E gen 2 Input: synaptics-rmi4 - support bootloader v8 in f34v7 Input: synaptics-rmi4 - add support for F3A Input: synaptics-rmi4 - rename f30_data to gpio_data Input: add zinitix touchscreen driver dt-bindings: input/touchscreen: add bindings for zinitix Input: joystick - add ADC attached joystick driver. dt-bindings: input: Add docs for ADC driven joystick Input: sun4i-ps2 - fix handling of platform_get_irq() error Input: twl4030_keypad - fix handling of platform_get_irq() error Input: omap4-keypad - fix handling of platform_get_irq() error Input: ep93xx_keypad - fix handling of platform_get_irq() error Input: stmfts - fix a & vs && typo Input: imx6ul_tsc - unify open/close and PM paths Input: imx6ul_tsc - clean up some errors in imx6ul_tsc_resume() Input: elants_i2c - fix typo for an attribute to show calibration count Input: elants_i2c - report resolution of ABS_MT_TOUCH_MAJOR by FW information. ...
Diffstat (limited to 'drivers/input/touchscreen/imx6ul_tsc.c')
-rw-r--r--drivers/input/touchscreen/imx6ul_tsc.c47
1 files changed, 22 insertions, 25 deletions
diff --git a/drivers/input/touchscreen/imx6ul_tsc.c b/drivers/input/touchscreen/imx6ul_tsc.c
index 9ed258854349..cd369f9ac5e6 100644
--- a/drivers/input/touchscreen/imx6ul_tsc.c
+++ b/drivers/input/touchscreen/imx6ul_tsc.c
@@ -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);
@@ -530,22 +538,11 @@ static int __maybe_unused imx6ul_tsc_resume(struct device *dev)
mutex_lock(&input_dev->mutex);
- if (input_dev->users) {
- 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 (input_dev->users)
+ retval = imx6ul_tsc_start(tsc);
-out:
mutex_unlock(&input_dev->mutex);
+
return retval;
}