linux-input.vger.kernel.org archive mirror
 help / color / mirror / Atom feed
* [PATCH] HID: i2c-hid: fix no irq after reset on raydium 3118
@ 2019-11-13 19:12 Aaron Ma
  2019-11-15 15:19 ` Jiri Kosina
  0 siblings, 1 reply; 2+ messages in thread
From: Aaron Ma @ 2019-11-13 19:12 UTC (permalink / raw)
  To: jikos, benjamin.tissoires, aaron.ma, linux-input, linux-kernel

On some ThinkPad L390 some raydium 3118 touchscreen devices
doesn't response any data after reset, but some does.

Add this ID to no irq quirk,
then don't wait for any response alike on these touchscreens.
All kinds of raydium 3118 devices work fine.

BugLink: https://bugs.launchpad.net/bugs/1849721

Signed-off-by: Aaron Ma <aaron.ma@canonical.com>
---
 drivers/hid/hid-ids.h              | 1 +
 drivers/hid/i2c-hid/i2c-hid-core.c | 2 ++
 2 files changed, 3 insertions(+)

diff --git a/drivers/hid/hid-ids.h b/drivers/hid/hid-ids.h
index 447e8db21174..8354dd5d0fa3 100644
--- a/drivers/hid/hid-ids.h
+++ b/drivers/hid/hid-ids.h
@@ -959,6 +959,7 @@
 
 #define I2C_VENDOR_ID_RAYDIUM		0x2386
 #define I2C_PRODUCT_ID_RAYDIUM_4B33	0x4b33
+#define I2C_PRODUCT_ID_RAYDIUM_3118	0x3118
 
 #define USB_VENDOR_ID_RAZER            0x1532
 #define USB_DEVICE_ID_RAZER_BLADE_14   0x011D
diff --git a/drivers/hid/i2c-hid/i2c-hid-core.c b/drivers/hid/i2c-hid/i2c-hid-core.c
index 04c088131e04..7608ee053114 100644
--- a/drivers/hid/i2c-hid/i2c-hid-core.c
+++ b/drivers/hid/i2c-hid/i2c-hid-core.c
@@ -170,6 +170,8 @@ static const struct i2c_hid_quirks {
 		I2C_HID_QUIRK_SET_PWR_WAKEUP_DEV },
 	{ I2C_VENDOR_ID_HANTICK, I2C_PRODUCT_ID_HANTICK_5288,
 		I2C_HID_QUIRK_NO_IRQ_AFTER_RESET },
+	{ I2C_VENDOR_ID_RAYDIUM, I2C_PRODUCT_ID_RAYDIUM_3118,
+		I2C_HID_QUIRK_NO_IRQ_AFTER_RESET },
 	{ USB_VENDOR_ID_ELAN, HID_ANY_ID,
 		 I2C_HID_QUIRK_BOGUS_IRQ },
 	{ 0, 0 }
-- 
2.20.1


^ permalink raw reply related	[flat|nested] 2+ messages in thread

* Re: [PATCH] HID: i2c-hid: fix no irq after reset on raydium 3118
  2019-11-13 19:12 [PATCH] HID: i2c-hid: fix no irq after reset on raydium 3118 Aaron Ma
@ 2019-11-15 15:19 ` Jiri Kosina
  0 siblings, 0 replies; 2+ messages in thread
From: Jiri Kosina @ 2019-11-15 15:19 UTC (permalink / raw)
  To: Aaron Ma; +Cc: benjamin.tissoires, linux-input, linux-kernel

On Thu, 14 Nov 2019, Aaron Ma wrote:

> On some ThinkPad L390 some raydium 3118 touchscreen devices
> doesn't response any data after reset, but some does.
> 
> Add this ID to no irq quirk,
> then don't wait for any response alike on these touchscreens.
> All kinds of raydium 3118 devices work fine.
> 
> BugLink: https://bugs.launchpad.net/bugs/1849721

Applied, thank you Aaron.

-- 
Jiri Kosina
SUSE Labs


^ permalink raw reply	[flat|nested] 2+ messages in thread

end of thread, other threads:[~2019-11-15 15:19 UTC | newest]

Thread overview: 2+ messages (download: mbox.gz / follow: Atom feed)
-- links below jump to the message on this page --
2019-11-13 19:12 [PATCH] HID: i2c-hid: fix no irq after reset on raydium 3118 Aaron Ma
2019-11-15 15:19 ` Jiri Kosina

This is a public inbox, see mirroring instructions
for how to clone and mirror all data and code used for this inbox;
as well as URLs for NNTP newsgroup(s).