diff options
| author | Nick Dyer <nick@shmanahar.org> | 2016-07-18 18:10:34 -0300 |
|---|---|---|
| committer | Marcel Ziswiler <marcel.ziswiler@toradex.com> | 2018-12-13 12:43:57 +0100 |
| commit | 3b3646c77fedcb13e845630abe3fb2a381bf4dad (patch) | |
| tree | bc98740ca6b6f16db81c73992ebbd74f82526dc3 /drivers/input/touchscreen | |
| parent | 72093537fa086e8e269118abc44b7ccdb521b2fb (diff) | |
[media] Input: atmel_mxt_ts - handle diagnostic data orientation
Invert the diagnostic data to match the orientation of the input device.
Signed-off-by: Nick Dyer <nick@shmanahar.org>
Signed-off-by: Hans Verkuil <hans.verkuil@cisco.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@s-opensource.com>
Acked-by: Dmitry Torokhov <dmitry.torokhov@gmail.com>
(cherry picked from commit de601f71e7d1bdfa411e61d43af7b2b6cde5d2a2)
Diffstat (limited to 'drivers/input/touchscreen')
| -rw-r--r-- | drivers/input/touchscreen/atmel_mxt_ts.c | 26 |
1 files changed, 21 insertions, 5 deletions
diff --git a/drivers/input/touchscreen/atmel_mxt_ts.c b/drivers/input/touchscreen/atmel_mxt_ts.c index 0f3e6c6050e0..81cc15a58703 100644 --- a/drivers/input/touchscreen/atmel_mxt_ts.c +++ b/drivers/input/touchscreen/atmel_mxt_ts.c @@ -125,6 +125,8 @@ struct t9_range { /* MXT_TOUCH_MULTI_T9 orient */ #define MXT_T9_ORIENT_SWITCH (1 << 0) +#define MXT_T9_ORIENT_INVERTX (1 << 1) +#define MXT_T9_ORIENT_INVERTY (1 << 2) /* MXT_SPT_COMMSCONFIG_T18 */ #define MXT_COMMS_CTRL 0 @@ -158,6 +160,8 @@ struct t37_debug { #define MXT_T100_YRANGE 24 #define MXT_T100_CFG_SWITCHXY BIT(5) +#define MXT_T100_CFG_INVERTY BIT(6) +#define MXT_T100_CFG_INVERTX BIT(7) #define MXT_T100_TCHAUX_VECT BIT(0) #define MXT_T100_TCHAUX_AMPL BIT(1) @@ -262,6 +266,8 @@ struct mxt_data { unsigned int irq; unsigned int max_x; unsigned int max_y; + bool invertx; + bool inverty; bool xy_switch; u8 xsize; u8 ysize; @@ -1748,6 +1754,8 @@ static int mxt_read_t9_resolution(struct mxt_data *data) return error; data->xy_switch = orient & MXT_T9_ORIENT_SWITCH; + data->invertx = orient & MXT_T9_ORIENT_INVERTX; + data->inverty = orient & MXT_T9_ORIENT_INVERTY; return 0; } @@ -1802,6 +1810,8 @@ static int mxt_read_t100_config(struct mxt_data *data) return error; data->xy_switch = cfg & MXT_T100_CFG_SWITCHXY; + data->invertx = cfg & MXT_T100_CFG_INVERTX; + data->inverty = cfg & MXT_T100_CFG_INVERTY; /* allocate aux bytes */ error = __mxt_read_reg(client, @@ -2146,13 +2156,19 @@ static int mxt_convert_debug_pages(struct mxt_data *data, u16 *outbuf) struct mxt_dbg *dbg = &data->dbg; unsigned int x = 0; unsigned int y = 0; - unsigned int i; + unsigned int i, rx, ry; for (i = 0; i < dbg->t37_nodes; i++) { - outbuf[i] = mxt_get_debug_value(data, x, y); + /* Handle orientation */ + rx = data->xy_switch ? y : x; + ry = data->xy_switch ? x : y; + rx = data->invertx ? (data->xsize - 1 - rx) : rx; + ry = data->inverty ? (data->ysize - 1 - ry) : ry; + + outbuf[i] = mxt_get_debug_value(data, rx, ry); /* Next value */ - if (++x >= data->xsize) { + if (++x >= (data->xy_switch ? data->ysize : data->xsize)) { x = 0; y++; } @@ -2307,8 +2323,8 @@ static int mxt_set_input(struct mxt_data *data, unsigned int i) if (i > 0) return -EINVAL; - f->width = data->xsize; - f->height = data->ysize; + f->width = data->xy_switch ? data->ysize : data->xsize; + f->height = data->xy_switch ? data->xsize : data->ysize; f->pixelformat = V4L2_TCH_FMT_DELTA_TD16; f->field = V4L2_FIELD_NONE; f->colorspace = V4L2_COLORSPACE_RAW; |