From 3c8bbb951ab23dc1192473ccad76cde89c172d27 Mon Sep 17 00:00:00 2001 From: JJ Ding Date: Fri, 9 Sep 2011 10:28:19 -0700 Subject: [PATCH] Input: elantech - clean up elantech_init MIME-Version: 1.0 Content-Type: text/plain; charset=utf8 Content-Transfer-Encoding: 8bit Group property setting code into elantech_set_properties. Signed-off-by: JJ Ding Acked-by: Daniel Kurtz Acked-by: Éric Piel Signed-off-by: Dmitry Torokhov --- drivers/input/mouse/elantech.c | 69 +++++++++++++++++++--------------- 1 file changed, 39 insertions(+), 30 deletions(-) diff --git a/drivers/input/mouse/elantech.c b/drivers/input/mouse/elantech.c index f2e3a2be041c..1ab1c14449d7 100644 --- a/drivers/input/mouse/elantech.c +++ b/drivers/input/mouse/elantech.c @@ -790,6 +790,42 @@ static int elantech_reconnect(struct psmouse *psmouse) return 0; } +/* + * determine hardware version and set some properties according to it. + */ +static void elantech_set_properties(struct elantech_data *etd) +{ + /* + * Assume every version greater than 0x020030 is new EeePC style + * hardware with 6 byte packets, except 0x020600 + */ + if (etd->fw_version < 0x020030 || etd->fw_version == 0x020600) + etd->hw_version = 1; + else + etd->hw_version = 2; + + /* + * Turn on packet checking by default. + */ + etd->paritycheck = 1; + + /* + * This firmware suffers from misreporting coordinates when + * a touch action starts causing the mouse cursor or scrolled page + * to jump. Enable a workaround. + */ + etd->jumpy_cursor = + (etd->fw_version == 0x020022 || etd->fw_version == 0x020600); + + if (etd->hw_version == 2) { + /* For now show extra debug information */ + etd->debug = 1; + + if (etd->fw_version >= 0x020800) + etd->reports_pressure = true; + } +} + /* * Initialize the touchpad and create sysfs entries */ @@ -816,26 +852,9 @@ int elantech_init(struct psmouse *psmouse) } etd->fw_version = (param[0] << 16) | (param[1] << 8) | param[2]; - - /* - * Assume every version greater than this is new EeePC style - * hardware with 6 byte packets - */ - if (etd->fw_version >= 0x020030) { - etd->hw_version = 2; - /* For now show extra debug information */ - etd->debug = 1; - etd->paritycheck = 1; - - if (etd->fw_version >= 0x020800) - etd->reports_pressure = true; - - } else { - etd->hw_version = 1; - etd->paritycheck = 1; - } - - pr_info("assuming hardware version %d, firmware version %d.%d.%d\n", + elantech_set_properties(etd); + pr_info("assuming hardware version %d " + "(with firmware version 0x%02x%02x%02x)\n", etd->hw_version, param[0], param[1], param[2]); if (synaptics_send_cmd(psmouse, ETP_CAPABILITIES_QUERY, @@ -847,16 +866,6 @@ int elantech_init(struct psmouse *psmouse) etd->capabilities[0], etd->capabilities[1], etd->capabilities[2]); - /* - * This firmware suffers from misreporting coordinates when - * a touch action starts causing the mouse cursor or scrolled page - * to jump. Enable a workaround. - */ - if (etd->fw_version == 0x020022 || etd->fw_version == 0x020600) { - pr_info("firmware version 2.0.34/2.6.0 detected, enabling jumpy cursor workaround\n"); - etd->jumpy_cursor = true; - } - if (elantech_set_absolute_mode(psmouse)) { pr_err("failed to put touchpad into absolute mode.\n"); goto init_fail; -- 2.20.1