diff options
Diffstat (limited to 'drivers/hid/wacom_wac.c')
| -rw-r--r-- | drivers/hid/wacom_wac.c | 50 |
1 files changed, 26 insertions, 24 deletions
diff --git a/drivers/hid/wacom_wac.c b/drivers/hid/wacom_wac.c index 596a6fb5b8b5..527668913a26 100644 --- a/drivers/hid/wacom_wac.c +++ b/drivers/hid/wacom_wac.c @@ -534,9 +534,24 @@ static int wacom_intuos_inout(struct wacom_wac *wacom) return 1; } + /* + * don't report events for invalid data + */ /* older I4 styli don't work with new Cintiqs */ - if (!((wacom->id[idx] >> 20) & 0x01) && - (features->type == WACOM_21UX2)) + if ((!((wacom->id[idx] >> 20) & 0x01) && + (features->type == WACOM_21UX2)) || + /* Only large Intuos support Lense Cursor */ + (wacom->tool[idx] == BTN_TOOL_LENS && + (features->type == INTUOS3 || + features->type == INTUOS3S || + features->type == INTUOS4 || + features->type == INTUOS4S || + features->type == INTUOS5 || + features->type == INTUOS5S || + features->type == INTUOSPM || + features->type == INTUOSPS)) || + /* Cintiq doesn't send data when RDY bit isn't set */ + (features->type == CINTIQ && !(data[1] & 0x40))) return 1; /* Range Report */ @@ -553,6 +568,10 @@ static int wacom_intuos_inout(struct wacom_wac *wacom) if (features->quirks & WACOM_QUIRK_MULTI_INPUT) wacom->shared->stylus_in_proximity = false; + /* don't report exit if we don't know the ID */ + if (!wacom->id[idx]) + return 1; + /* * Reset all states otherwise we lose the initial states * when in-prox next time @@ -585,6 +604,11 @@ static int wacom_intuos_inout(struct wacom_wac *wacom) wacom->id[idx] = 0; return 2; } + + /* don't report other events if we don't know the ID */ + if (!wacom->id[idx]) + return 1; + return 0; } @@ -842,28 +866,6 @@ static int wacom_intuos_irq(struct wacom_wac *wacom) if (result) return result - 1; - /* don't proceed if we don't know the ID */ - if (!wacom->id[idx]) - return 0; - - /* Only large Intuos support Lense Cursor */ - if (wacom->tool[idx] == BTN_TOOL_LENS && - (features->type == INTUOS3 || - features->type == INTUOS3S || - features->type == INTUOS4 || - features->type == INTUOS4S || - features->type == INTUOS5 || - features->type == INTUOS5S || - features->type == INTUOSPM || - features->type == INTUOSPS)) { - - return 0; - } - - /* Cintiq doesn't send data when RDY bit isn't set */ - if (features->type == CINTIQ && !(data[1] & 0x40)) - return 0; - if (features->type >= INTUOS3S) { input_report_abs(input, ABS_X, (data[2] << 9) | (data[3] << 1) | ((data[9] >> 1) & 1)); input_report_abs(input, ABS_Y, (data[4] << 9) | (data[5] << 1) | (data[9] & 1)); |