shinys000114/linux
1
0
Fork 0
mirror of https://github.com/hardkernel/linux.git synced 2026-06-07 19:30:30 +09:00
Code Issues Packages Projects Releases Wiki Activity

input: touchscreen: gt1x: use dev_pm_ops for linux platform

Browse Source 
Generally, the dts file which is used for linux platform, the machine's
compatible contains 'linux' tag. If so, the gt1x driver could claim the
dev_pm_ops for suspend and resume process.

Change-Id: Ib64952148e64161abaff674a51861106b8041ada
Signed-off-by: Ziyuan Xu <xzy.xu@rock-chips.com>
This commit is contained in:
Ziyuan Xu
2019-08-23 06:09:06 +00:00
committed by Tao Huang
parent 3181ceb5a7
commit af506e6ac5
1 changed files with 37 additions and 20 deletions
Download Patch File Download Diff File Expand all files Collapse all files

57
drivers/input/touchscreen/gt1x/gt1x.c
View File

@@ -28,6 +28,9 @@ static struct input_dev *input_dev;
static struct workqueue_struct *gt1x_wq;
static const char *gt1x_ts_name = "goodix-ts";
static const char *input_dev_phys = "input/ts";
#ifdef CONFIG_PM
static const struct dev_pm_ops gt1x_ts_pm_ops;
#endif
#ifdef GTP_CONFIG_OF
int gt1x_rst_gpio;
int gt1x_int_gpio;
@@ -298,6 +301,10 @@ static struct regulator *vdd_ana;
static int gt1x_parse_dt(struct device *dev)
{
struct device_node *np;
#ifdef CONFIG_PM
struct device_node *root;
const char *machine_compatible;
#endif
if (!dev)
return -ENODEV;
@@ -326,6 +333,16 @@ static int gt1x_parse_dt(struct device *dev)
return PTR_ERR(vdd_ana);
}
#ifdef CONFIG_PM
root = of_find_node_by_path("/");
if (root) {
machine_compatible = of_get_property(root, "compatible", NULL);
of_node_put(root);
if (strstr(machine_compatible, "linux"))
dev->driver->pm = &gt1x_ts_pm_ops;
}
#endif
return 0;
}
@@ -645,7 +662,26 @@ static int gtp_fb_notifier_callback(struct notifier_block *noti, unsigned long e
return 0;
}
#elif defined(CONFIG_PM)
#elif defined(CONFIG_HAS_EARLYSUSPEND)
/* earlysuspend module the suspend/resume procedure */
static void gt1x_ts_early_suspend(struct early_suspend *h)
{
gt1x_suspend();
}
static void gt1x_ts_late_resume(struct early_suspend *h)
{
gt1x_resume();
}
static struct early_suspend gt1x_early_suspend = {
.level = EARLY_SUSPEND_LEVEL_BLANK_SCREEN + 1,
.suspend = gt1x_ts_early_suspend,
.resume = gt1x_ts_late_resume,
};
#endif
#ifdef CONFIG_PM
/**
* gt1x_ts_suspend - i2c suspend callback function.
* @dev: i2c device.
@@ -671,27 +707,8 @@ static const struct dev_pm_ops gt1x_ts_pm_ops = {
.suspend = gt1x_pm_suspend,
.resume = gt1x_pm_resume,
};
#elif defined(CONFIG_HAS_EARLYSUSPEND)
/* earlysuspend module the suspend/resume procedure */
static void gt1x_ts_early_suspend(struct early_suspend *h)
{
gt1x_suspend();
}
static void gt1x_ts_late_resume(struct early_suspend *h)
{
gt1x_resume();
}
static struct early_suspend gt1x_early_suspend = {
.level = EARLY_SUSPEND_LEVEL_BLANK_SCREEN + 1,
.suspend = gt1x_ts_early_suspend,
.resume = gt1x_ts_late_resume,
};
#endif
static int gt1x_register_powermanger(void)
{
#if defined(CONFIG_FB)