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| author | Linus Torvalds <[email protected]> | 2020-10-23 16:16:31 -0700 |
|---|---|---|
| committer | Linus Torvalds <[email protected]> | 2020-10-23 16:16:31 -0700 |
| commit | bd7e8c996f5aba542f416ee6d19e91fd3668674f (patch) | |
| tree | d75c0094e0e2f82d18e02fbb7e5362984b36863f /drivers/input/touchscreen/imx6ul_tsc.c | |
| parent | 40a03b750bb3ded71a0f21a0b7dfbf3b24068dcb (diff) | |
| parent | bb0bc0cfeabc0d6865865e8d3a601bea6711f951 (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.c | 47 |
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; } |