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| author | Russell King <rmk+kernel@arm.linux.org.uk> | 2010-07-31 15:19:22 +0200 |
|---|---|---|
| committer | Russell King <rmk+kernel@arm.linux.org.uk> | 2010-07-31 15:19:22 +0200 |
| commit | f13b1035ce8bbc27d4ce7c281cddd2718f2cf5b0 (patch) | |
| tree | 44419bd03c33e662302dd003f57d36e133144f91 /drivers/input/mouse/synaptics.c | |
| parent | Merge branch 'l7200' into devel (diff) | |
| parent | ARM: 6277/1: mach-shmobile: Allow users to select HZ, default to 128 (diff) | |
| download | linux-f13b1035ce8bbc27d4ce7c281cddd2718f2cf5b0.tar.xz linux-f13b1035ce8bbc27d4ce7c281cddd2718f2cf5b0.zip | |
Merge branch 'shmobile' into devel
Diffstat (limited to 'drivers/input/mouse/synaptics.c')
| -rw-r--r-- | drivers/input/mouse/synaptics.c | 8 |
1 files changed, 7 insertions, 1 deletions
diff --git a/drivers/input/mouse/synaptics.c b/drivers/input/mouse/synaptics.c index 40cea334ad13..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 @@ -206,6 +211,7 @@ static int synaptics_resolution(struct psmouse *psmouse) unsigned char max[3]; if (SYN_ID_MAJOR(priv->identity) < 4) + return 0; if (synaptics_send_cmd(psmouse, SYN_QUE_RESOLUTION, res) == 0) { if (res[0] != 0 && (res[1] & 0x80) && res[2] != 0) { |