The check is intentionally quite strict. It will probably need to be relaxed
later, but given how easy it is to test a non-whitelisted firmware with
force_elantech, that's OK.
Signed-off-by: Florian Ragwitz <rafl@xxxxxxxxxx>
---
drivers/input/mouse/elantech.c | 3 ++-
1 files changed, 2 insertions(+), 1 deletions(-)
diff --git a/drivers/input/mouse/elantech.c b/drivers/input/mouse/elantech.c
index 254a967..70321b7 100644
--- a/drivers/input/mouse/elantech.c
+++ b/drivers/input/mouse/elantech.c
@@ -599,7 +599,8 @@ int elantech_detect(struct psmouse *psmouse, bool set_properties)
pr_debug("elantech.c: Elantech version query result 0x%02x, 0x%02x, 0x%02x.\n",
param[0], param[1], param[2]);
- if (param[0] == 0 || param[1] != 0) {
+ if ((param[0] == 0 || param[1] != 0) &&
+ (param[0] != 4 && param[1] != 1 && param[2] != 1)) {
if (!force_elantech) {
pr_debug("elantech.c: Probably not a real Elantech touchpad. Aborting.\n");
return -1;
--
1.7.0.5
--
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