linux-kernel - Re: [PATCH v4 2/2] USB: quirks: Apply ALWAYS

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Date:	Tue, 1 Dec 2015 10:21:55 -0800
From:	Greg Kroah-Hartman <gregkh@...uxfoundation.org>
To:	Adrien Vergé <adrienverge@...il.com>
Cc:	Benjamin Tissoires <benjamin.tissoires@...il.com>,
	Oliver Neukum <oneukum@...e.com>,
	Jiri Kosina <jikos@...nel.org>,
	Logan Gunthorpe <logang@...tatee.com>,
	Hans de Goede <hdegoede@...hat.com>,
	Vincent Palatin <vpalatin@...omium.org>,
	Macpaul Lin <macpaul@...il.com>,
	Adel Gadllah <adel.gadllah@...il.com>,
	linux-input@...r.kernel.org, linux-kernel@...r.kernel.org,
	linux-usb@...r.kernel.org
Subject: Re: [PATCH v4 2/2] USB: quirks: Apply ALWAYS_POLL to all ELAN devices

On Tue, Nov 24, 2015 at 04:02:05PM +0100, Adrien Vergé wrote:
> All ELAN hid devices seem to require the ALWAYS_POLL quirk. Let's use
> this quirk for all devices from this vendor, rather than maintaining a
> list of all its known product IDs.
> 
> Tested-by: Adrien Vergé <adrienverge@...il.com>
> Signed-off-by: Adrien Vergé <adrienverge@...il.com>
> ---
>  drivers/hid/hid-ids.h           | 5 -----
>  drivers/hid/usbhid/hid-quirks.c | 9 +++------
>  2 files changed, 3 insertions(+), 11 deletions(-)
> 
> diff --git a/drivers/hid/hid-ids.h b/drivers/hid/hid-ids.h
> index ac1feea..3c7e0c3 100644
> --- a/drivers/hid/hid-ids.h
> +++ b/drivers/hid/hid-ids.h
> @@ -316,11 +316,6 @@
>  #define USB_DEVICE_ID_DWAV_EGALAX_MULTITOUCH_A001	0xa001
>  
>  #define USB_VENDOR_ID_ELAN		0x04f3
> -#define USB_DEVICE_ID_ELAN_TOUCHSCREEN	0x0089
> -#define USB_DEVICE_ID_ELAN_TOUCHSCREEN_009B	0x009b
> -#define USB_DEVICE_ID_ELAN_TOUCHSCREEN_0103	0x0103
> -#define USB_DEVICE_ID_ELAN_TOUCHSCREEN_010c	0x010c
> -#define USB_DEVICE_ID_ELAN_TOUCHSCREEN_016F	0x016f
>  
>  #define USB_VENDOR_ID_ELECOM		0x056e
>  #define USB_DEVICE_ID_ELECOM_BM084	0x0061
> diff --git a/drivers/hid/usbhid/hid-quirks.c b/drivers/hid/usbhid/hid-quirks.c
> index 94bb137..b1af008 100644
> --- a/drivers/hid/usbhid/hid-quirks.c
> +++ b/drivers/hid/usbhid/hid-quirks.c
> @@ -72,11 +72,7 @@ static const struct hid_blacklist {
>  	{ USB_VENDOR_ID_CHICONY, USB_DEVICE_ID_CHICONY_PIXART_USB_OPTICAL_MOUSE, HID_QUIRK_ALWAYS_POLL },
>  	{ USB_VENDOR_ID_DMI, USB_DEVICE_ID_DMI_ENC, HID_QUIRK_NOGET },
>  	{ USB_VENDOR_ID_DRAGONRISE, USB_DEVICE_ID_DRAGONRISE_WIIU, HID_QUIRK_MULTI_INPUT },
> -	{ USB_VENDOR_ID_ELAN, USB_DEVICE_ID_ELAN_TOUCHSCREEN, HID_QUIRK_ALWAYS_POLL },
> -	{ USB_VENDOR_ID_ELAN, USB_DEVICE_ID_ELAN_TOUCHSCREEN_009B, HID_QUIRK_ALWAYS_POLL },
> -	{ USB_VENDOR_ID_ELAN, USB_DEVICE_ID_ELAN_TOUCHSCREEN_0103, HID_QUIRK_ALWAYS_POLL },
> -	{ USB_VENDOR_ID_ELAN, USB_DEVICE_ID_ELAN_TOUCHSCREEN_010c, HID_QUIRK_ALWAYS_POLL },
> -	{ USB_VENDOR_ID_ELAN, USB_DEVICE_ID_ELAN_TOUCHSCREEN_016F, HID_QUIRK_ALWAYS_POLL },
> +	{ USB_VENDOR_ID_ELAN, HID_ANY_ID, HID_QUIRK_ALWAYS_POLL },
>  	{ USB_VENDOR_ID_ELO, USB_DEVICE_ID_ELO_TS2700, HID_QUIRK_NOGET },
>  	{ USB_VENDOR_ID_FORMOSA, USB_DEVICE_ID_FORMOSA_IR_RECEIVER, HID_QUIRK_NO_INIT_REPORTS },
>  	{ USB_VENDOR_ID_FREESCALE, USB_DEVICE_ID_FREESCALE_MX28, HID_QUIRK_NOGET },
> @@ -339,7 +335,8 @@ static const struct hid_blacklist *usbhid_exists_squirk(const u16 idVendor,
>  
>  	for (; hid_blacklist[n].idVendor; n++)
>  		if (hid_blacklist[n].idVendor == idVendor &&
> -				hid_blacklist[n].idProduct == idProduct)
> +			(hid_blacklist[n].idProduct == HID_ANY_ID ||
> +				hid_blacklist[n].idProduct == idProduct))

Please fix the warning the kbuild infrastructure told you about here.

thanks,

greg k-h
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