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Date: Fri, 26 Aug 2011 09:03:10 +0800 From: JJ Ding <jj_ding@....com.tw> To: linux-input@...r.kernel.org, linux-kernel@...r.kernel.org Cc: Seth Forshee <seth.forshee@...onical.com>, Dmitry Torokhov <dmitry.torokhov@...il.com>, Aaron Huang <aaron_huang@....com.tw>, Tom Lin <tom_lin@....com.tw>, Éric Piel <E.A.B.Piel@...elft.nl>, Daniel Kurtz <djkurtz@...omium.org>, Chase Douglas <chase.douglas@...onical.com>, Henrik Rydberg <rydberg@...omail.se>, Alessandro Rubini <rubini@...l.unipv.it>, JJ Ding <jj_ding@....com.tw> Subject: [PATCH v3 6/7] Input: elantech - clean up elantech_init Group property setting code into elantech_set_properties. Acked-by: Daniel Kurtz <djkurtz@...omium.org> Signed-off-by: JJ Ding <jj_ding@....com.tw> --- drivers/input/mouse/elantech.c | 69 ++++++++++++++++++++++----------------- 1 files changed, 39 insertions(+), 30 deletions(-) diff --git a/drivers/input/mouse/elantech.c b/drivers/input/mouse/elantech.c index 008e8c2..2ae7c49 100644 --- a/drivers/input/mouse/elantech.c +++ b/drivers/input/mouse/elantech.c @@ -791,6 +791,42 @@ static int elantech_reconnect(struct psmouse *psmouse) } /* + * 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 */ int elantech_init(struct psmouse *psmouse) @@ -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; -- 1.7.4.1 -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@...r.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
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