[PATCH v11 07/56] Input: atmel_mxt_ts - implement T9 vector/orientation support
From: Jiada Wang <hidden>
Date: 2020-05-08 05:57:36
Also in:
lkml
Subsystem:
atmel maxtouch driver, input (keyboard, mouse, joystick, touchscreen) drivers, the rest · Maintainers:
Nick Dyer, Dmitry Torokhov, Linus Torvalds
From: Nick Dyer <redacted> The atmel touch messages contain orientation information as a byte in a packed format which can be passed straight on to Android if the input device configuration is correct. This requires vector reports to be enabled in maXTouch config (zero DISVECT bit 3 in T9 CTRL field) Android converts the format in InputReader.cpp, search for ORIENTATION_CALIBRATION_VECTOR. Signed-off-by: Nick Dyer <redacted> Acked-by: Benson Leung <bleung@chromium.org> Acked-by: Yufeng Shen <redacted> (cherry picked from ndyer/linux/for-upstream commit a6f0ee919d2631678169b23fb18f55b6dbabcd4c) Signed-off-by: George G. Davis <redacted> Signed-off-by: Jiada Wang <redacted> --- drivers/input/touchscreen/atmel_mxt_ts.c | 12 ++++++++---- 1 file changed, 8 insertions(+), 4 deletions(-)
diff --git a/drivers/input/touchscreen/atmel_mxt_ts.c b/drivers/input/touchscreen/atmel_mxt_ts.c
index f6465edaa57e..df2e0ba76e63 100644
--- a/drivers/input/touchscreen/atmel_mxt_ts.c
+++ b/drivers/input/touchscreen/atmel_mxt_ts.c@@ -817,6 +817,7 @@ static void mxt_proc_t9_message(struct mxt_data *data, u8 *message) int y; int area; int amplitude; + u8 vector; id = message[0] - data->T9_reportid_min; status = message[1];
@@ -831,9 +832,10 @@ static void mxt_proc_t9_message(struct mxt_data *data, u8 *message) area = message[5]; amplitude = message[6]; + vector = message[7]; dev_dbg(dev, - "[%u] %c%c%c%c%c%c%c%c x: %5u y: %5u area: %3u amp: %3u\n", + "[%u] %c%c%c%c%c%c%c%c x: %5u y: %5u area: %3u amp: %3u vector: %02X\n", id, (status & MXT_T9_DETECT) ? 'D' : '.', (status & MXT_T9_PRESS) ? 'P' : '.',
@@ -843,7 +845,7 @@ static void mxt_proc_t9_message(struct mxt_data *data, u8 *message) (status & MXT_T9_AMP) ? 'A' : '.', (status & MXT_T9_SUPPRESS) ? 'S' : '.', (status & MXT_T9_UNGRIP) ? 'U' : '.', - x, y, area, amplitude); + x, y, area, amplitude, vector); input_mt_slot(input_dev, id);
@@ -868,6 +870,7 @@ static void mxt_proc_t9_message(struct mxt_data *data, u8 *message) input_report_abs(input_dev, ABS_MT_POSITION_Y, y); input_report_abs(input_dev, ABS_MT_PRESSURE, amplitude); input_report_abs(input_dev, ABS_MT_TOUCH_MAJOR, area); + input_report_abs(input_dev, ABS_MT_ORIENTATION, vector); } else { /* Touch no longer active, close out slot */ input_mt_report_slot_inactive(input_dev);
@@ -2180,8 +2183,9 @@ static int mxt_initialize_input_device(struct mxt_data *data) 0, 255, 0, 0); } - if (data->multitouch == MXT_TOUCH_MULTITOUCHSCREEN_T100 && - data->t100_aux_vect) { + if (data->multitouch == MXT_TOUCH_MULTI_T9 || + (data->multitouch == MXT_TOUCH_MULTITOUCHSCREEN_T100 && + data->t100_aux_vect)) { input_set_abs_params(input_dev, ABS_MT_ORIENTATION, 0, 255, 0, 0); }
--
2.17.1