[PATCH 5.14 024/432] Input: elan_i2c - reduce the resume time for controller in Whitebox

Greg Kroah-Hartman
2021-09-16T17:14:53Z

From: jingle.wu <jingle.wu@emc.com.tw>

commit d198b8273e3006818ea287a93eb4d8fd2543e512 upstream.

Similar to controllers found Voxel, Delbin, Magpie and Bobba, the one found
in Whitebox does not need to be reset after issuing power-on command, and
skipping reset saves resume time.

Signed-off-by: Jingle Wu <jingle.wu@emc.com.tw>
Cc: stable@vger.kernel.org
Link: https://lore.kernel.org/r/20210907012924.11391-1-jingle.wu@emc.com.tw
Signed-off-by: Dmitry Torokhov <dmitry.torokhov@gmail.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
---
drivers/input/mouse/elan_i2c.h | 3 ++-
drivers/input/mouse/elan_i2c_core.c | 1 +
2 files changed, 3 insertions(+), 1 deletion(-)

--- a/drivers/input/mouse/elan_i2c.h
+++ b/drivers/input/mouse/elan_i2c.h
@@ -55,8 +55,9 @@
#define ETP_FW_PAGE_SIZE_512 512
#define ETP_FW_SIGNATURE_SIZE 6

-#define ETP_PRODUCT_ID_DELBIN 0x00C2
+#define ETP_PRODUCT_ID_WHITEBOX 0x00B8
#define ETP_PRODUCT_ID_VOXEL 0x00BF
+#define ETP_PRODUCT_ID_DELBIN 0x00C2
#define ETP_PRODUCT_ID_MAGPIE 0x0120
#define ETP_PRODUCT_ID_BOBBA 0x0121

--- a/drivers/input/mouse/elan_i2c_core.c
+++ b/drivers/input/mouse/elan_i2c_core.c
@@ -105,6 +105,7 @@ static u32 elan_i2c_lookup_quirks(u16 ic
u32 quirks;
} elan_i2c_quirks[] = {
{ 0x0D, ETP_PRODUCT_ID_DELBIN, ETP_QUIRK_QUICK_WAKEUP },
+ { 0x0D, ETP_PRODUCT_ID_WHITEBOX, ETP_QUIRK_QUICK_WAKEUP },
{ 0x10, ETP_PRODUCT_ID_VOXEL, ETP_QUIRK_QUICK_WAKEUP },
{ 0x14, ETP_PRODUCT_ID_MAGPIE, ETP_QUIRK_QUICK_WAKEUP },
{ 0x14, ETP_PRODUCT_ID_BOBBA, ETP_QUIRK_QUICK_WAKEUP },