From: Daniel Playfair Cal Date: Sat, 25 Apr 2020 10:58:17 +0000 (+1000) Subject: HID: i2c-hid: reset Synaptics SYNA2393 on resume X-Git-Tag: v5.6.15~90 X-Git-Url: http://git.ipfire.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=45b4201d63e1f2beaa4e6048e978148edacb069d;p=thirdparty%2Fkernel%2Fstable.git HID: i2c-hid: reset Synaptics SYNA2393 on resume [ Upstream commit 538f67407e2c0e5ed2a46e7d7ffa52f2e30c7ef8 ] On the Dell XPS 9570, the Synaptics SYNA2393 touchpad generates spurious interrupts after resuming from suspend until it receives some input or is reset. Add it to the quirk I2C_HID_QUIRK_RESET_ON_RESUME so that it is reset when resuming from suspend. More information about the bug can be found in this mailing list discussion: https://www.spinics.net/lists/linux-input/msg59530.html Signed-off-by: Daniel Playfair Cal Signed-off-by: Jiri Kosina Signed-off-by: Sasha Levin --- diff --git a/drivers/hid/hid-ids.h b/drivers/hid/hid-ids.h index b3cc26ca375fd..55afc089cb257 100644 --- a/drivers/hid/hid-ids.h +++ b/drivers/hid/hid-ids.h @@ -1094,6 +1094,9 @@ #define USB_DEVICE_ID_SYMBOL_SCANNER_2 0x1300 #define USB_DEVICE_ID_SYMBOL_SCANNER_3 0x1200 +#define I2C_VENDOR_ID_SYNAPTICS 0x06cb +#define I2C_PRODUCT_ID_SYNAPTICS_SYNA2393 0x7a13 + #define USB_VENDOR_ID_SYNAPTICS 0x06cb #define USB_DEVICE_ID_SYNAPTICS_TP 0x0001 #define USB_DEVICE_ID_SYNAPTICS_INT_TP 0x0002 diff --git a/drivers/hid/i2c-hid/i2c-hid-core.c b/drivers/hid/i2c-hid/i2c-hid-core.c index 009000c5d55cd..294c84e136d72 100644 --- a/drivers/hid/i2c-hid/i2c-hid-core.c +++ b/drivers/hid/i2c-hid/i2c-hid-core.c @@ -177,6 +177,8 @@ static const struct i2c_hid_quirks { I2C_HID_QUIRK_BOGUS_IRQ }, { USB_VENDOR_ID_ALPS_JP, HID_ANY_ID, I2C_HID_QUIRK_RESET_ON_RESUME }, + { I2C_VENDOR_ID_SYNAPTICS, I2C_PRODUCT_ID_SYNAPTICS_SYNA2393, + I2C_HID_QUIRK_RESET_ON_RESUME }, { USB_VENDOR_ID_ITE, I2C_DEVICE_ID_ITE_LENOVO_LEGION_Y720, I2C_HID_QUIRK_BAD_INPUT_SIZE }, { 0, 0 }