diff options
Diffstat (limited to 'drivers/input/mouse/synaptics.c')
| -rw-r--r-- | drivers/input/mouse/synaptics.c | 7 |
1 files changed, 6 insertions, 1 deletions
diff --git a/drivers/input/mouse/synaptics.c b/drivers/input/mouse/synaptics.c index 9ba9c4a17e15..705589dc9ac5 100644 --- a/drivers/input/mouse/synaptics.c +++ b/drivers/input/mouse/synaptics.c @@ -141,8 +141,13 @@ static int synaptics_capability(struct psmouse *psmouse) priv->capabilities = (cap[0] << 16) | (cap[1] << 8) | cap[2]; priv->ext_cap = priv->ext_cap_0c = 0; - if (!SYN_CAP_VALID(priv->capabilities)) + /* + * Older firmwares had submodel ID fixed to 0x47 + */ + if (SYN_ID_FULL(priv->identity) < 0x705 && + SYN_CAP_SUBMODEL_ID(priv->capabilities) != 0x47) { return -1; + } /* * Unless capExtended is set the rest of the flags should be ignored |