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| Started by | Ben Hutchings <ben@decadent.org.uk> |
|---|---|
| First post | 2016-11-14 05:10 +0100 |
| Last post | 2016-11-14 05:10 +0100 |
| Articles | 1 — 1 participant |
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[PATCH 3.16 068/346] USB: quirks: Fix another ELAN touchscreen Ben Hutchings <ben@decadent.org.uk> - 2016-11-14 05:10 +0100
| From | Ben Hutchings <ben@decadent.org.uk> |
|---|---|
| Date | 2016-11-14 05:10 +0100 |
| Subject | [PATCH 3.16 068/346] USB: quirks: Fix another ELAN touchscreen |
| Message-ID | <sDgKL-1LS-73@gated-at.bofh.it> |
3.16.39-rc1 review patch. If anyone has any objections, please let me know.
------------------
From: Adrien Vergé <adrienverge@gmail.com>
commit df36c5bede207f734e4750beb2b14fb892050280 upstream.
Like other buggy models that had their fixes [1], the touchscreen with
id 04f3:21b8 from ELAN Microelectronics needs the device-qualifier
quirk. Otherwise, it fails to respond, blocks the boot for a random
amount of time and pollutes dmesg with:
[ 2887.373196] usb 1-5: new full-speed USB device number 41 using xhci_hcd
[ 2889.502000] usb 1-5: unable to read config index 0 descriptor/start: -71
[ 2889.502005] usb 1-5: can't read configurations, error -71
[ 2889.654571] usb 1-5: new full-speed USB device number 42 using xhci_hcd
[ 2891.783438] usb 1-5: unable to read config index 0 descriptor/start: -71
[ 2891.783443] usb 1-5: can't read configurations, error -71
[1]: See commits c68929f, 876af5d, d749947, a32c99e and dc703ec.
Tested-by: Adrien Vergé <adrienverge@gmail.com>
Signed-off-by: Adrien Vergé <adrienverge@gmail.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Signed-off-by: Ben Hutchings <ben@decadent.org.uk>
---
drivers/usb/core/quirks.c | 3 +++
1 file changed, 3 insertions(+)
--- a/drivers/usb/core/quirks.c
+++ b/drivers/usb/core/quirks.c
@@ -125,6 +125,9 @@ static const struct usb_device_id usb_qu
{ USB_DEVICE(0x04f3, 0x016f), .driver_info =
USB_QUIRK_DEVICE_QUALIFIER },
+ { USB_DEVICE(0x04f3, 0x21b8), .driver_info =
+ USB_QUIRK_DEVICE_QUALIFIER },
+
/* Roland SC-8820 */
{ USB_DEVICE(0x0582, 0x0007), .driver_info = USB_QUIRK_RESET_RESUME },
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