Re: [PATCH resend 3] staging: rtl8188eu: Add rtw_led_enable module parameter

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On Tue, Mar 24, 2020 at 12:47:01PM +0100, Bastien Nocera wrote:
> On Tue, 2020-03-24 at 12:38 +0100, Greg Kroah-Hartman wrote:
> > On Tue, Mar 24, 2020 at 11:36:00AM +0100, Bastien Nocera wrote:
> > > Make it possible to disable the LED, as it can be pretty annoying
> > > depending on where it's located.
> > > 
> > > See also https://github.com/lwfinger/rtl8188eu/pull/304 for the
> > > out-of-tree version.
> > > 
> > > Signed-off-by: Bastien Nocera <hadess@xxxxxxxxxx>
> > > ---
> > >  drivers/staging/rtl8188eu/core/rtw_led.c      | 6 ++++++
> > >  drivers/staging/rtl8188eu/include/drv_types.h | 2 ++
> > >  drivers/staging/rtl8188eu/os_dep/os_intfs.c   | 5 +++++
> > >  3 files changed, 13 insertions(+)
> > > 
> > > diff --git a/drivers/staging/rtl8188eu/core/rtw_led.c
> > > b/drivers/staging/rtl8188eu/core/rtw_led.c
> > > index d1406cc99768..75a859accb7e 100644
> > > --- a/drivers/staging/rtl8188eu/core/rtw_led.c
> > > +++ b/drivers/staging/rtl8188eu/core/rtw_led.c
> > > @@ -467,10 +467,16 @@ void blink_handler(struct LED_871x *pLed)
> > >  
> > >  void led_control_8188eu(struct adapter *padapter, enum
> > > LED_CTL_MODE LedAction)
> > >  {
> > > +	struct registry_priv *registry_par;
> > > +
> > >  	if (padapter->bSurpriseRemoved || padapter->bDriverStopped ||
> > >  	    !padapter->hw_init_completed)
> > >  		return;
> > >  
> > > +	registry_par = &padapter->registrypriv;
> > > +	if (!registry_par->led_enable)
> > > +		return;
> > > +
> > >  	if ((padapter->pwrctrlpriv.rf_pwrstate != rf_on &&
> > >  	     padapter->pwrctrlpriv.rfoff_reason > RF_CHANGE_BY_PS) &&
> > >  	    (LedAction == LED_CTL_TX || LedAction == LED_CTL_RX ||
> > > diff --git a/drivers/staging/rtl8188eu/include/drv_types.h
> > > b/drivers/staging/rtl8188eu/include/drv_types.h
> > > index 35c0946bc65d..4ca828141d3f 100644
> > > --- a/drivers/staging/rtl8188eu/include/drv_types.h
> > > +++ b/drivers/staging/rtl8188eu/include/drv_types.h
> > > @@ -67,6 +67,8 @@ struct registry_priv {
> > >  	u8	wmm_enable;
> > >  	u8	uapsd_enable;
> > >  
> > > +	u8	led_enable;
> > > +
> > >  	struct wlan_bssid_ex    dev_network;
> > >  
> > >  	u8	ht_enable;
> > > diff --git a/drivers/staging/rtl8188eu/os_dep/os_intfs.c
> > > b/drivers/staging/rtl8188eu/os_dep/os_intfs.c
> > > index 8907bf6bb7ff..ba55ae741215 100644
> > > --- a/drivers/staging/rtl8188eu/os_dep/os_intfs.c
> > > +++ b/drivers/staging/rtl8188eu/os_dep/os_intfs.c
> > > @@ -47,6 +47,8 @@ static int rtw_acm_method;/*  0:By SW 1:By HW. */
> > >  static int rtw_wmm_enable = 1;/*  default is set to enable the
> > > wmm. */
> > >  static int rtw_uapsd_enable;
> > >  
> > > +static int rtw_led_enable = 1;
> > > +
> > >  static int rtw_ht_enable = 1;
> > >  /* 0 :disable, bit(0): enable 2.4g, bit(1): enable 5g */
> > >  static int rtw_cbw40_enable = 3;
> > > @@ -98,6 +100,7 @@ module_param(rtw_channel, int, 0644);
> > >  module_param(rtw_wmm_enable, int, 0644);
> > >  module_param(rtw_vrtl_carrier_sense, int, 0644);
> > >  module_param(rtw_vcs_type, int, 0644);
> > > +module_param(rtw_led_enable, int, 0644);
> > 
> > Ick, really?  No, no nee module parameters, this is not the 1990's.
> > 
> > This should be done on a per-device basis, using the correct apis.
> 
> What API?

Documentation/leds/index.rst should give you a good start :)

thanks,

greg k-h
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