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dvb_extern: add early suspend (V1.21) [1/1]

Browse Source 
PD#SWPL-177077

Problem:
add early suspend.

Solution:
add early suspend.
AML_DVB_EXTERN_VERSION "V1.21".

Verify:
T5M.

Change-Id: I7fe8cb6bc7bc8c80e29cefc4671bb0ddee971356
Signed-off-by: nengwen.chen <nengwen.chen@amlogic.com>
This commit is contained in:
nengwen.chen
2023-10-27 17:48:47 +08:00
committed by gongwei.chen
parent a46af4fc83
commit 3260c9f22e
2 changed files with 65 additions and 1 deletions
Download Patch File Download Diff File Expand all files Collapse all files
drivers/dvb/aml_dvb_extern_driver.c
+57 -1
View File
@@ -23,7 +23,7 @@
#include "aml_dvb_extern_driver.h"
#define AML_DVB_EXTERN_DEVICE_NAME "aml_dvb_extern"
#define AML_DVB_EXTERN_VERSION "V1.20"
#define AML_DVB_EXTERN_VERSION "V1.21"
static struct dvb_extern_device *dvb_extern_dev;
static struct mutex dvb_extern_mutex;
@@ -1310,6 +1310,50 @@ struct device *aml_get_dvb_extern_dev(void)
return dvb_extern_dev->dev;
}
#if IS_ENABLED(CONFIG_AMLOGIC_LEGACY_EARLY_SUSPEND)
static void aml_dvb_early_suspend(struct early_suspend *h)
{
struct dvb_extern_device *dvbdev = (struct dvb_extern_device *)h->param;
struct tuner_ops *ttops = NULL;
struct demod_ops *dtops = NULL;
struct dvb_tuner *tuner = get_dvb_tuners();
struct dvb_demod *demod = get_dvb_demods();
if (IS_ERR_OR_NULL(dvbdev))
return;
list_for_each_entry(ttops, &tuner->list, list) {
if (ttops->fe.ops.tuner_ops.suspend)
ttops->fe.ops.tuner_ops.suspend(&ttops->fe);
else if (ttops->fe.ops.tuner_ops.sleep)
ttops->fe.ops.tuner_ops.sleep(&ttops->fe);
}
list_for_each_entry(dtops, &demod->list, list) {
if (dtops->fe && dtops->fe->ops.sleep)
dtops->fe->ops.sleep(dtops->fe);
}
aml_dvb_extern_set_power(&dvbdev->dvb_power, 0);
pr_info("%s: OK.\n", __func__);
}
static void aml_dvb_early_resume(struct early_suspend *h)
{
struct dvb_extern_device *dvbdev = (struct dvb_extern_device *)h->param;
if (IS_ERR_OR_NULL(dvbdev))
return;
aml_dvb_extern_set_power(&dvbdev->dvb_power, 1);
schedule_work(&dvbdev->resume_work);
pr_info("%s: OK.\n", __func__);
}
#endif
static int aml_dvb_extern_probe(struct platform_device *pdev)
{
int ret = -1, i = 0;
@@ -1527,6 +1571,14 @@ PROPERTY_DEMOD:
INIT_WORK(&dvbdev->resume_work, aml_dvb_extern_resume_work);
INIT_WORK(&dvbdev->attach_work.work, aml_dvb_extern_attach_work);
#if IS_ENABLED(CONFIG_AMLOGIC_LEGACY_EARLY_SUSPEND)
dvbdev->suspend.suspend = aml_dvb_early_suspend;
dvbdev->suspend.resume = aml_dvb_early_resume;
dvbdev->suspend.param = dvbdev;
register_early_suspend(&dvbdev->suspend);
#endif
PROPERTY_DONE:
dvb_extern_dev = dvbdev;
@@ -1568,6 +1620,10 @@ static int aml_dvb_extern_remove(struct platform_device *pdev)
if (dvbdev->debug_proc_dir)
proc_remove(dvbdev->debug_proc_dir);
#if IS_ENABLED(CONFIG_AMLOGIC_LEGACY_EARLY_SUSPEND)
unregister_early_suspend(&dvbdev->suspend);
#endif
aml_dvb_extern_set_power(&dvbdev->dvb_power, 0);
kfree(dvbdev);
drivers/dvb/aml_dvb_extern_driver.h
+8
View File
@@ -9,6 +9,10 @@
#include <linux/device.h>
#include <media/dvb_frontend.h>
#if IS_ENABLED(CONFIG_AMLOGIC_LEGACY_EARLY_SUSPEND)
#include <linux/amlogic/pm.h>
#endif
#define DVB_CFGDEV_BASEMINOR 1
#define DVB_CFGDEV_COUNT 1
#define DVB_CFGDEV_IOC_MAGIC 'y'
@@ -76,6 +80,10 @@ struct dvb_extern_device {
/* to set config from userspace */
struct device cdev;
dev_t cfgdevno;
#if IS_ENABLED(CONFIG_AMLOGIC_LEGACY_EARLY_SUSPEND)
struct early_suspend suspend;
#endif
};
struct device *aml_get_dvb_extern_dev(void);