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muc_uart: add uevent for online/offline

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Add a uevent to line up with the usb_ext online
and offline.

Change-Id: I6ceeeefaa03835f140e042d6c5a0e198fb35ba1c
Signed-off-by: Ryan Lattrel <ryanl@motorola.com>
Reviewed-on: https://gerrit.mot.com/1294012
SME-Granted: SME Approvals Granted
SLTApproved: Slta Waiver
Tested-by: Jira Key
Reviewed-by: Jing Zhao <zhaojing@motorola.com>
Reviewed-by: Kenneth Kessler <kennykessler@motorola.com>
Submit-Approved: Jira Key
This commit is contained in:
Ryan Lattrel 2019-01-14 14:13:06 -06:00
commit 942a10bad3
1 changed files with 31 additions and 0 deletions
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31
drivers/mmi_muc_uart/muc_uart.c
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@ -88,6 +88,9 @@ void *muc_ipc_log;
/* Max number of chars we will copy from the fw vers sent by the muc */
#define MUC_FW_VERS_MAX_SIZE 32
/* Should match EXT_USB_CHECK_TIME in dwc3-msm.c */
#define EXT_USB_CHECK_TIME 3000
struct write_data {
struct list_head list;
uint16_t cmd;
@ -132,6 +135,7 @@ struct mod_muc_data_t {
struct delayed_work idle_work;
struct delayed_work attach_work;
struct delayed_work write_work;
struct delayed_work connect_work;
struct work_struct ps_notify_work;
struct power_supply *phone_psy;
struct power_supply *batt_psy;
@ -290,6 +294,29 @@ static irqreturn_t muc_uart_attach_irq_handler(int irq, void *data)
return IRQ_HANDLED;
}
static void muc_uart_connect_work(struct work_struct *w)
{
struct mod_muc_data_t *mm_data =
container_of(w, struct mod_muc_data_t, connect_work.work);
struct kobj_uevent_env *env;
if (mm_data) {
env = kzalloc(sizeof(*env), GFP_KERNEL);
if (!env)
return;
if (atomic_read(&mm_data->mod_online))
add_uevent_var(env, "MOD_EVENT=ONLINE");
else
add_uevent_var(env, "MOD_EVENT=OFFLINE");
kobject_uevent_env(&mm_data->pdev->dev.kobj,
KOBJ_CHANGE,
env->envp);
kfree(env);
}
}
static inline void set_sleep_req_pending(struct mod_muc_data_t *mm_data)
{
atomic_set(&mm_data->sleep_req_pending, 1);
@ -1529,6 +1556,9 @@ static int muc_uart_set_property(struct power_supply *psy,
switch (psp) {
case POWER_SUPPLY_PROP_ONLINE: {
schedule_delayed_work(&mm_data->connect_work,
msecs_to_jiffies(EXT_USB_CHECK_TIME));
usbctrl_pkt.cmd = val->intval;
muc_uart_queue_send(mm_data,
USB_CONTROL,
@ -1577,6 +1607,7 @@ static int muc_uart_probe(struct platform_device *pdev)
INIT_DELAYED_WORK(&mm_data->idle_work, muc_uart_idle_work);
INIT_DELAYED_WORK(&mm_data->attach_work, muc_uart_attach_work);
INIT_DELAYED_WORK(&mm_data->write_work, muc_uart_send_work);
INIT_DELAYED_WORK(&mm_data->connect_work, muc_uart_connect_work);
INIT_WORK(&mm_data->ps_notify_work, muc_uart_ps_notifier_work);
/* Create workqueue for the write work */