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usb: gadget: f_acm: add suspend resume callbacks

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Add suspend resume callbacks to notify u_serial of the bus suspend/resume
state.

Signed-off-by: Fabrice Gasnier <fabrice.gasnier@st.com>
Signed-off-by: Felipe Balbi <balbi@kernel.org>
This commit is contained in:
Fabrice Gasnier 2020-04-23 13:55:56 +02:00 • committed by Felipe Balbi
parent e702a7c346
commit 3affccdd5e
1 changed files with 16 additions and 0 deletions
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16
drivers/usb/gadget/function/f_acm.c
View file

@ -723,6 +723,20 @@ static void acm_free_func(struct usb_function *f)
kfree(acm);
}
static void acm_resume(struct usb_function *f)
{
struct f_acm *acm = func_to_acm(f);
gserial_resume(&acm->port);
}
static void acm_suspend(struct usb_function *f)
{
struct f_acm *acm = func_to_acm(f);
gserial_suspend(&acm->port);
}
static struct usb_function *acm_alloc_func(struct usb_function_instance *fi)
{
struct f_serial_opts *opts;
@ -750,6 +764,8 @@ static struct usb_function *acm_alloc_func(struct usb_function_instance *fi)
acm->port_num = opts->port_num;
acm->port.func.unbind = acm_unbind;
acm->port.func.free_func = acm_free_func;
acm->port.func.resume = acm_resume;
acm->port.func.suspend = acm_suspend;
return &acm->port.func;
}