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Groups > linux.kernel > #1281127 > unrolled thread

[PATCH v5 0/2] Fixes for ELAN touchscreens

Started byAdrien Vergé <adrienverge@gmail.com>
First post2015-12-01 20:00 +0100
Last post2015-12-02 10:00 +0100
Articles 5 — 3 participants

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  [PATCH v5 0/2] Fixes for ELAN touchscreens Adrien Vergé <adrienverge@gmail.com> - 2015-12-01 20:00 +0100
    [PATCH v5 2/2] USB: quirks: Apply ALWAYS_POLL to all ELAN devices Adrien Vergé <adrienverge@gmail.com> - 2015-12-01 20:00 +0100
      Re: [PATCH v5 2/2] USB: quirks: Apply ALWAYS_POLL to all ELAN  devices Jiri Kosina <jikos@kernel.org> - 2015-12-01 23:10 +0100
        Re: [PATCH v5 2/2] USB: quirks: Apply ALWAYS_POLL to all ELAN devices Greg Kroah-Hartman <gregkh@linuxfoundation.org> - 2015-12-01 23:20 +0100
          Re: [PATCH v5 2/2] USB: quirks: Apply ALWAYS_POLL to all ELAN devices Adrien Vergé <adrienverge@gmail.com> - 2015-12-02 10:00 +0100

#1281127 — [PATCH v5 0/2] Fixes for ELAN touchscreens

FromAdrien Vergé <adrienverge@gmail.com>
Date2015-12-01 20:00 +0100
Subject[PATCH v5 0/2] Fixes for ELAN touchscreens
Message-ID<qAYjE-4To-7@gated-at.bofh.it>
This is the fifth version of a patchset which originally aimed to fix a buggy
touchscreen from ELAN Microelectronics.

Changes since v4:
- Cast HID_ANY_ID to an __u16 so to keep gcc happy on AVR32 arch.

Changes since v3:
- Use HID_ANY_ID to define a vendor-ID-global quirk, as suggested by
  Benjamin Tissoires.

Changes since v2:
- Apply ALWAYS_POLL quirk to all ELAN devices by default, as suggested by
  Jiri Kosina and Oliver Neukum.

Adrien Vergé (2):
  USB: quirks: Fix another ELAN touchscreen
  USB: quirks: Apply ALWAYS_POLL to all ELAN devices

 drivers/hid/hid-ids.h           | 5 -----
 drivers/hid/usbhid/hid-quirks.c | 9 +++------
 drivers/usb/core/quirks.c       | 3 +++
 3 files changed, 6 insertions(+), 11 deletions(-)

-- 
2.4.3

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#1281128 — [PATCH v5 2/2] USB: quirks: Apply ALWAYS_POLL to all ELAN devices

FromAdrien Vergé <adrienverge@gmail.com>
Date2015-12-01 20:00 +0100
Subject[PATCH v5 2/2] USB: quirks: Apply ALWAYS_POLL to all ELAN devices
Message-ID<qAYjF-4To-25@gated-at.bofh.it>
In reply to#1281127
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@gmail.com>
Signed-off-by: Adrien Vergé <adrienverge@gmail.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..78fc94a 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 == (__u16) HID_ANY_ID ||
+				hid_blacklist[n].idProduct == idProduct))
 			bl_entry = &hid_blacklist[n];
 
 	if (bl_entry != NULL)
-- 
2.4.3

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#1281240 — Re: [PATCH v5 2/2] USB: quirks: Apply ALWAYS_POLL to all ELAN devices

FromJiri Kosina <jikos@kernel.org>
Date2015-12-01 23:10 +0100
SubjectRe: [PATCH v5 2/2] USB: quirks: Apply ALWAYS_POLL to all ELAN devices
Message-ID<qB1hw-73C-1@gated-at.bofh.it>
In reply to#1281128
On Tue, 1 Dec 2015, 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@gmail.com>
> Signed-off-by: Adrien Vergé <adrienverge@gmail.com>

Reviewed-by: Benjamin Tissoires <benjamin.tissoires@redhat.com>
Reviewed-by: Jiri Kosina <jkosina@suse.cz>

Greg, I guess it makes sense to take both 1/2 and 2/2 together as a whole. 
Would you mind adding the tags above and taking it through usb git tree?

Alternatively I can take it through my tree if you Ack the usb part.

Thanks,

-- 
Jiri Kosina
SUSE Labs

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#1281260 — Re: [PATCH v5 2/2] USB: quirks: Apply ALWAYS_POLL to all ELAN devices

FromGreg Kroah-Hartman <gregkh@linuxfoundation.org>
Date2015-12-01 23:20 +0100
SubjectRe: [PATCH v5 2/2] USB: quirks: Apply ALWAYS_POLL to all ELAN devices
Message-ID<qB1rd-76P-25@gated-at.bofh.it>
In reply to#1281240
On Tue, Dec 01, 2015 at 11:09:23PM +0100, Jiri Kosina wrote:
> On Tue, 1 Dec 2015, 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@gmail.com>
> > Signed-off-by: Adrien Vergé <adrienverge@gmail.com>
> 
> Reviewed-by: Benjamin Tissoires <benjamin.tissoires@redhat.com>
> Reviewed-by: Jiri Kosina <jkosina@suse.cz>
> 
> Greg, I guess it makes sense to take both 1/2 and 2/2 together as a whole. 
> Would you mind adding the tags above and taking it through usb git tree?
> 
> Alternatively I can take it through my tree if you Ack the usb part.

Sure, I'll take it as I've already applied the non-HID patch :)

thanks,

greg k-h
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#1281528 — Re: [PATCH v5 2/2] USB: quirks: Apply ALWAYS_POLL to all ELAN devices

FromAdrien Vergé <adrienverge@gmail.com>
Date2015-12-02 10:00 +0100
SubjectRe: [PATCH v5 2/2] USB: quirks: Apply ALWAYS_POLL to all ELAN devices
Message-ID<qBbqx-4Qy-3@gated-at.bofh.it>
In reply to#1281260
Thank you all for your help on this.

Adrien
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