diff options
Diffstat (limited to 'drivers/input')
| -rw-r--r-- | drivers/input/mouse/alps.c | 48 |
1 files changed, 42 insertions, 6 deletions
diff --git a/drivers/input/mouse/alps.c b/drivers/input/mouse/alps.c index 4d246861d692..41e6cb501e6a 100644 --- a/drivers/input/mouse/alps.c +++ b/drivers/input/mouse/alps.c @@ -100,7 +100,7 @@ static const struct alps_nibble_commands alps_v6_nibble_commands[] = { #define ALPS_FOUR_BUTTONS 0x40 /* 4 direction button present */ #define ALPS_PS2_INTERLEAVED 0x80 /* 3-byte PS/2 packet interleaved with 6-byte ALPS packet */ -#define ALPS_DELL 0x100 /* device is a Dell laptop */ +#define ALPS_STICK_BITS 0x100 /* separate stick button bits */ #define ALPS_BUTTONPAD 0x200 /* device is a clickpad */ static const struct alps_model_info alps_model_data[] = { @@ -159,6 +159,43 @@ static const struct alps_protocol_info alps_v8_protocol_data = { ALPS_PROTO_V8, 0x18, 0x18, 0 }; +/* + * Some v2 models report the stick buttons in separate bits + */ +static const struct dmi_system_id alps_dmi_has_separate_stick_buttons[] = { +#if defined(CONFIG_DMI) && defined(CONFIG_X86) + { + /* Extrapolated from other entries */ + .matches = { + DMI_MATCH(DMI_SYS_VENDOR, "Dell Inc."), + DMI_MATCH(DMI_PRODUCT_NAME, "Latitude D420"), + }, + }, + { + /* Reported-by: Hans de Bruin <jmdebruin@xmsnet.nl> */ + .matches = { + DMI_MATCH(DMI_SYS_VENDOR, "Dell Inc."), + DMI_MATCH(DMI_PRODUCT_NAME, "Latitude D430"), + }, + }, + { + /* Reported-by: Hans de Goede <hdegoede@redhat.com> */ + .matches = { + DMI_MATCH(DMI_SYS_VENDOR, "Dell Inc."), + DMI_MATCH(DMI_PRODUCT_NAME, "Latitude D620"), + }, + }, + { + /* Extrapolated from other entries */ + .matches = { + DMI_MATCH(DMI_SYS_VENDOR, "Dell Inc."), + DMI_MATCH(DMI_PRODUCT_NAME, "Latitude D630"), + }, + }, +#endif + { } +}; + static void alps_set_abs_params_st(struct alps_data *priv, struct input_dev *dev1); static void alps_set_abs_params_semi_mt(struct alps_data *priv, @@ -253,9 +290,8 @@ static void alps_process_packet_v1_v2(struct psmouse *psmouse) return; } - /* Dell non interleaved V2 dualpoint has separate stick button bits */ - if (priv->proto_version == ALPS_PROTO_V2 && - priv->flags == (ALPS_DELL | ALPS_PASS | ALPS_DUALPOINT)) { + /* Some models have separate stick button bits */ + if (priv->flags & ALPS_STICK_BITS) { left |= packet[0] & 1; right |= packet[0] & 2; middle |= packet[0] & 4; @@ -2552,8 +2588,6 @@ static int alps_set_protocol(struct psmouse *psmouse, priv->byte0 = protocol->byte0; priv->mask0 = protocol->mask0; priv->flags = protocol->flags; - if (dmi_name_in_vendors("Dell")) - priv->flags |= ALPS_DELL; priv->x_max = 2000; priv->y_max = 1400; @@ -2568,6 +2602,8 @@ static int alps_set_protocol(struct psmouse *psmouse, priv->set_abs_params = alps_set_abs_params_st; priv->x_max = 1023; priv->y_max = 767; + if (dmi_check_system(alps_dmi_has_separate_stick_buttons)) + priv->flags |= ALPS_STICK_BITS; break; case ALPS_PROTO_V3: |