Re: [PATCH] Repost: asus strict model checking

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On Tue, 2006-08-01 at 20:11 +0400, Alexey Starikovskiy wrote:
> Checks for Samsung P30/P35 are real hacks IMHO.
Why?

   Thomas
> 
> Thomas Renninger wrote:
> > On Tue, 2006-08-01 at 17:58 +0400, Alexey Starikovskiy wrote:
> >> Thomas,
> >> Is it possible to use DMI interface for this kind of system identification?
> > 
> > IMO it should be sufficient to use the already provided Asus hotkey
> > model identification.
> > Using dmidecode to check for Asus and then fallback to the default model
> > if the model is unknown (which does not work for a lot new Asus anyway?)
> > sounds like the wrong way for me.
> > Better to have a not supported system (it's easy to white list an
> > additional model) than to fall back to default and have a broken system
> > (reading/writing to wrong EC registers,..).
> > 
> >     Thomas
> > 
> >> Regards,
> >> 	Alex.
> >>
> >> Thomas Renninger wrote:
> >>> These are some minor patches I already posted...
> >>> All are patched against 2.6.18-rc2.
> >>>
> >>> Do only load asus acpi module when model is listed
> >>>
> >>> Description: There are machines that have a device with HID: ATK0100
> >>> (Asus) and a device with HID SNY5001 (Sony). Bad things happen if sony
> >>> and asus driver are loaded there.
> >>>
> >>> Reference: https://bugzilla.novell.org/show_bug.cgi?id=166920
> >>>
> >>> Signed-off-by: Timo Hoenig <thoenig@xxxxxxx>
> >>> Signed-off-by: Thomas Renninger<mail@xxxxxxxxxxxx>
> >>>
> >>>
> >>>  drivers/acpi/asus_acpi.c |   25 ++++++++++++++++++++-----
> >>>  1 files changed, 20 insertions(+), 5 deletions(-)
> >>>
> >>> Index: linux-2.6.18-rc2/drivers/acpi/asus_acpi.c
> >>> ===================================================================
> >>> --- linux-2.6.18-rc2.orig/drivers/acpi/asus_acpi.c
> >>> +++ linux-2.6.18-rc2/drivers/acpi/asus_acpi.c
> >>> @@ -77,10 +77,14 @@ MODULE_LICENSE("GPL");
> >>>  
> >>>  static uid_t asus_uid;
> >>>  static gid_t asus_gid;
> >>> +static int force;
> >>>  module_param(asus_uid, uint, 0);
> >>>  MODULE_PARM_DESC(asus_uid, "UID for entries in /proc/acpi/asus.\n");
> >>>  module_param(asus_gid, uint, 0);
> >>>  MODULE_PARM_DESC(asus_gid, "GID for entries in /proc/acpi/asus.\n");
> >>> +module_param(force, int, 0);
> >>> +MODULE_PARM_DESC(force, "Force loading of the module even if the laptop"
> >>> +		 "model is not listed.\n");
> >>>  
> >>>  /* For each model, all features implemented, 
> >>>   * those marked with R are relative to HOTK, A for absolute */
> >>> @@ -1171,11 +1175,22 @@ static int asus_hotk_get_info(void)
> >>>  			printk(KERN_NOTICE
> >>>  			       "  Samsung P30 detected, supported\n");
> >>>  		} else {
> >>> -			hotk->model = M2E;
> >>> -			printk(KERN_NOTICE "  unsupported model %s, trying "
> >>> -			       "default values\n", string);
> >>> -			printk(KERN_NOTICE
> >>> -			       "  send /proc/acpi/dsdt to the developers\n");
> >>> +			if (force){
> >>> +				hotk->model = M2E;
> >>> +				printk(KERN_NOTICE "  unsupported model"
> >>> +				       "%s, trying default values\n",
> >>> +				       string);
> >>> +				printk(KERN_NOTICE
> >>> +				       "  send /proc/acpi/dsdt"
> >>> +				       " to the developers\n");
> >>> +			}
> >>> +			else{
> >>> +				printk(KERN_NOTICE "  %s unsupported model %s,"
> >>> +				       " aborting.\nForce loading with force=1"
> >>> +				       " parameter\n",
> >>> +				       ACPI_HOTK_NAME, string);
> >>> +				return -ENODEV;
> >>> +			}
> >>>  		}
> >>>  		hotk->methods = &model_conf[hotk->model];
> >>>  		return AE_OK;
> >>>
> > 
> > -
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