On Fri, Mar 17, 2017 at 2:26 PM, Dmitry Torokhov <dmitry.torokhov@xxxxxxxxx> wrote: > On Tue, Mar 14, 2017 at 10:34:12AM +0900, Masaki Ota wrote: >> From: Masaki Ota <masaki.ota@xxxxxxxxxxx> >> -Fix the issue that V8(E7=73 03 28) devices are not assined correct device information bit from OTP. >> -Specified correct OTP bit for the V8 device setting of Button pad, DualPoint and Touchpad size. >> -Deleted extra code from alps_v8_protocol_data decision process. >> >> Signed-off-by: Masaki Ota <masaki.ota@xxxxxxxxxxx> >> >> Acked-by: Pali Rohar <pali.rohar@xxxxxxxxx> > > Reworded commit message, marked for stable and applied, thank you. > It looks like we may have a regression here (or in the 2nd patch): https://bugzilla.kernel.org/show_bug.cgi?id=195215 >> --- >> drivers/input/mouse/alps.c | 66 +++++++++++++++++++++++++++++++++++----------- >> drivers/input/mouse/alps.h | 11 ++++++++ >> 2 files changed, 61 insertions(+), 16 deletions(-) >> >> diff --git a/drivers/input/mouse/alps.c b/drivers/input/mouse/alps.c >> index e761955..253f742 100644 >> --- a/drivers/input/mouse/alps.c >> +++ b/drivers/input/mouse/alps.c >> @@ -2467,14 +2467,34 @@ static int alps_update_device_area_ss4_v2(unsigned char otp[][4], >> int num_y_electrode; >> int x_pitch, y_pitch, x_phys, y_phys; >> >> - num_x_electrode = SS4_NUMSENSOR_XOFFSET + (otp[1][0] & 0x0F); >> - num_y_electrode = SS4_NUMSENSOR_YOFFSET + ((otp[1][0] >> 4) & 0x0F); >> + if (IS_SS4PLUS_DEV(priv->dev_id)) { >> + num_x_electrode = >> + SS4PLUS_NUMSENSOR_XOFFSET + (otp[0][2] & 0x0F); >> + num_y_electrode = >> + SS4PLUS_NUMSENSOR_YOFFSET + ((otp[0][2] >> 4) & 0x0F); >> >> - priv->x_max = (num_x_electrode - 1) * SS4_COUNT_PER_ELECTRODE; >> - priv->y_max = (num_y_electrode - 1) * SS4_COUNT_PER_ELECTRODE; >> + priv->x_max = >> + (num_x_electrode - 1) * SS4PLUS_COUNT_PER_ELECTRODE; >> + priv->y_max = >> + (num_y_electrode - 1) * SS4PLUS_COUNT_PER_ELECTRODE; >> >> - x_pitch = ((otp[1][2] >> 2) & 0x07) + SS4_MIN_PITCH_MM; >> - y_pitch = ((otp[1][2] >> 5) & 0x07) + SS4_MIN_PITCH_MM; >> + x_pitch = (otp[0][1] & 0x0F) + SS4PLUS_MIN_PITCH_MM; >> + y_pitch = ((otp[0][1] >> 4) & 0x0F) + SS4PLUS_MIN_PITCH_MM; >> + >> + } else { >> + num_x_electrode = >> + SS4_NUMSENSOR_XOFFSET + (otp[1][0] & 0x0F); >> + num_y_electrode = >> + SS4_NUMSENSOR_YOFFSET + ((otp[1][0] >> 4) & 0x0F); >> + >> + priv->x_max = >> + (num_x_electrode - 1) * SS4_COUNT_PER_ELECTRODE; >> + priv->y_max = >> + (num_y_electrode - 1) * SS4_COUNT_PER_ELECTRODE; >> + >> + x_pitch = ((otp[1][2] >> 2) & 0x07) + SS4_MIN_PITCH_MM; >> + y_pitch = ((otp[1][2] >> 5) & 0x07) + SS4_MIN_PITCH_MM; >> + } >> >> x_phys = x_pitch * (num_x_electrode - 1); /* In 0.1 mm units */ >> y_phys = y_pitch * (num_y_electrode - 1); /* In 0.1 mm units */ >> @@ -2490,7 +2510,10 @@ static int alps_update_btn_info_ss4_v2(unsigned char otp[][4], >> { >> unsigned char is_btnless; >> >> - is_btnless = (otp[1][1] >> 3) & 0x01; >> + if (IS_SS4PLUS_DEV(priv->dev_id)) >> + is_btnless = (otp[1][0] >> 1) & 0x01; >> + else >> + is_btnless = (otp[1][1] >> 3) & 0x01; >> >> if (is_btnless) >> priv->flags |= ALPS_BUTTONPAD; >> @@ -2498,6 +2521,21 @@ static int alps_update_btn_info_ss4_v2(unsigned char otp[][4], >> return 0; >> } >> >> +static int alps_update_dual_info_ss4_v2(unsigned char otp[][4], >> + struct alps_data *priv) >> +{ >> + bool is_dual = false; >> + >> + if (IS_SS4PLUS_DEV(priv->dev_id)) >> + is_dual = (otp[0][0] >> 4) & 0x01; >> + >> + if (is_dual) >> + priv->flags |= ALPS_DUALPOINT | >> + ALPS_DUALPOINT_WITH_PRESSURE; >> + >> + return 0; >> +} >> + >> static int alps_set_defaults_ss4_v2(struct psmouse *psmouse, >> struct alps_data *priv) >> { >> @@ -2513,6 +2551,8 @@ static int alps_set_defaults_ss4_v2(struct psmouse *psmouse, >> >> alps_update_btn_info_ss4_v2(otp, priv); >> >> + alps_update_dual_info_ss4_v2(otp, priv); >> + >> return 0; >> } >> >> @@ -2758,10 +2798,6 @@ static int alps_set_protocol(struct psmouse *psmouse, >> if (alps_set_defaults_ss4_v2(psmouse, priv)) >> return -EIO; >> >> - if (priv->fw_ver[1] == 0x1) >> - priv->flags |= ALPS_DUALPOINT | >> - ALPS_DUALPOINT_WITH_PRESSURE; >> - >> break; >> } >> >> @@ -2831,10 +2867,7 @@ static int alps_identify(struct psmouse *psmouse, struct alps_data *priv) >> ec[2] >= 0x90 && ec[2] <= 0x9d) { >> protocol = &alps_v3_protocol_data; >> } else if (e7[0] == 0x73 && e7[1] == 0x03 && >> - e7[2] == 0x14 && ec[1] == 0x02) { >> - protocol = &alps_v8_protocol_data; >> - } else if (e7[0] == 0x73 && e7[1] == 0x03 && >> - e7[2] == 0x28 && ec[1] == 0x01) { >> + (e7[2] == 0x14 || e7[2] == 0x28)) { >> protocol = &alps_v8_protocol_data; >> } else if (e7[0] == 0x73 && e7[1] == 0x03 && e7[2] == 0xc8) { >> protocol = &alps_v9_protocol_data; >> @@ -2850,7 +2883,8 @@ static int alps_identify(struct psmouse *psmouse, struct alps_data *priv) >> } >> >> if (priv) { >> - /* Save the Firmware version */ >> + /* Save Device ID and Firmware version */ >> + memcpy(priv->dev_id, e7, 3); >> memcpy(priv->fw_ver, ec, 3); >> error = alps_set_protocol(psmouse, priv, protocol); >> if (error) >> diff --git a/drivers/input/mouse/alps.h b/drivers/input/mouse/alps.h >> index dea3163..ed2d687 100644 >> --- a/drivers/input/mouse/alps.h >> +++ b/drivers/input/mouse/alps.h >> @@ -55,6 +55,16 @@ enum SS4_PACKET_ID { >> >> #define SS4_MASK_NORMAL_BUTTONS 0x07 >> >> +#define SS4PLUS_COUNT_PER_ELECTRODE 128 >> +#define SS4PLUS_NUMSENSOR_XOFFSET 16 >> +#define SS4PLUS_NUMSENSOR_YOFFSET 5 >> +#define SS4PLUS_MIN_PITCH_MM 37 >> + >> +#define IS_SS4PLUS_DEV(_b) (((_b[0]) == 0x73) && \ >> + ((_b[1]) == 0x03) && \ >> + ((_b[2]) == 0x28) \ >> + ) >> + >> #define SS4_IS_IDLE_V2(_b) (((_b[0]) == 0x18) && \ >> ((_b[1]) == 0x10) && \ >> ((_b[2]) == 0x00) && \ >> @@ -279,6 +289,7 @@ struct alps_data { >> int addr_command; >> u16 proto_version; >> u8 byte0, mask0; >> + u8 dev_id[3]; >> u8 fw_ver[3]; >> int flags; >> int x_max; >> -- >> 2.9.3 >> > > -- > Dmitry -- Dmitry -- To unsubscribe from this list: send the line "unsubscribe linux-input" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
