lkml.org 
[lkml]   [2018]   [Jul]   [18]   [last100]   RSS Feed
Views: [wrap][no wrap]   [headers]  [forward] 
 
Messages in this thread
Patch in this message
/
From
Subject[PATCH v3 2/3] Input: edt-ft5x06 - Set wake/reset values on resume/suspend
Date
On resume and suspend, set the value of wake and reset gpios
to be sure that we are in a know state after suspending/resuming.

Signed-off-by: Mylène Josserand <mylene.josserand@bootlin.com>
---
drivers/input/touchscreen/edt-ft5x06.c | 12 ++++++++++++
1 file changed, 12 insertions(+)

diff --git a/drivers/input/touchscreen/edt-ft5x06.c b/drivers/input/touchscreen/edt-ft5x06.c
index aa94494b06b5..b013d97006e6 100644
--- a/drivers/input/touchscreen/edt-ft5x06.c
+++ b/drivers/input/touchscreen/edt-ft5x06.c
@@ -1143,6 +1143,12 @@ static int __maybe_unused edt_ft5x06_ts_suspend(struct device *dev)
if (device_may_wakeup(dev))
enable_irq_wake(client->irq);

+ if (tsdata->wake_gpio)
+ gpiod_set_value(tsdata->wake_gpio, 0);
+
+ if (tsdata->reset_gpio)
+ gpiod_set_value(tsdata->reset_gpio, 1);
+
regulator_disable(tsdata->vcc);

return 0;
@@ -1157,6 +1163,12 @@ static int __maybe_unused edt_ft5x06_ts_resume(struct device *dev)
if (device_may_wakeup(dev))
disable_irq_wake(client->irq);

+ if (tsdata->wake_gpio)
+ gpiod_set_value(tsdata->wake_gpio, 1);
+
+ if (tsdata->reset_gpio)
+ gpiod_set_value(tsdata->reset_gpio, 0);
+
ret = regulator_enable(tsdata->vcc);
if (ret < 0) {
dev_err(dev, "failed to enable vcc: %d\n", ret);
--
2.11.0
\
 
 \ /
  Last update: 2018-07-18 20:28    [W:0.381 / U:0.096 seconds]
©2003-2020 Jasper Spaans|hosted at Digital Ocean and TransIP|Read the blog|Advertise on this site