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| author | Dmitry Torokhov <dmitry.torokhov@gmail.com> | 2011-11-29 01:51:07 -0800 |
|---|---|---|
| committer | Dmitry Torokhov <dmitry.torokhov@gmail.com> | 2011-11-29 01:51:07 -0800 |
| commit | 0d2cd91bf7b1a7cc1d638296111fcc2bcf5c0bb4 (patch) | |
| tree | d2ca69347816c27f9dc352581f5d0fe76811cd49 /drivers/input/mouse/elantech.c | |
| parent | 3d95fd6ad8d3cf582a70ed65660017114b6e4065 (diff) | |
| parent | caca6a03d365883564885f2c1da3e88dcf65d139 (diff) | |
Merge commit 'v3.2-rc3' into next
Diffstat (limited to 'drivers/input/mouse/elantech.c')
| -rw-r--r-- | drivers/input/mouse/elantech.c | 26 |
1 files changed, 18 insertions, 8 deletions
diff --git a/drivers/input/mouse/elantech.c b/drivers/input/mouse/elantech.c index 59bfb70d330a..d2c0db159b18 100644 --- a/drivers/input/mouse/elantech.c +++ b/drivers/input/mouse/elantech.c @@ -1262,18 +1262,28 @@ static int elantech_reconnect(struct psmouse *psmouse) */ static int elantech_set_properties(struct elantech_data *etd) { + /* This represents the version of IC body. */ int ver = (etd->fw_version & 0x0f0000) >> 16; + /* Early version of Elan touchpads doesn't obey the rule. */ if (etd->fw_version < 0x020030 || etd->fw_version == 0x020600) etd->hw_version = 1; - else if (etd->fw_version < 0x150600) - etd->hw_version = 2; - else if (ver == 5) - etd->hw_version = 3; - else if (ver == 6) - etd->hw_version = 4; - else - return -1; + else { + switch (ver) { + case 2: + case 4: + etd->hw_version = 2; + break; + case 5: + etd->hw_version = 3; + break; + case 6: + etd->hw_version = 4; + break; + default: + return -1; + } + } /* decide which send_cmd we're gonna use early */ etd->send_cmd = etd->hw_version >= 3 ? elantech_send_cmd : |