diff options
Diffstat (limited to 'drivers/input/touchscreen/edt-ft5x06.c')
| -rw-r--r-- | drivers/input/touchscreen/edt-ft5x06.c | 9 |
1 files changed, 5 insertions, 4 deletions
diff --git a/drivers/input/touchscreen/edt-ft5x06.c b/drivers/input/touchscreen/edt-ft5x06.c index a8640c7b6713..a76bc486936c 100644 --- a/drivers/input/touchscreen/edt-ft5x06.c +++ b/drivers/input/touchscreen/edt-ft5x06.c @@ -168,9 +168,9 @@ static irqreturn_t edt_ft5x06_ts_isr(int irq, void *dev_id) struct edt_ft5x06_ts_data *tsdata = dev_id; struct device *dev = &tsdata->client->dev; u8 cmd; - u8 rdbuf[29]; + u8 rdbuf[31]; int i, type, x, y, id; - int offset, tplen, datalen; + int offset, tplen, datalen, crclen; int error; switch (tsdata->version) { @@ -178,14 +178,14 @@ static irqreturn_t edt_ft5x06_ts_isr(int irq, void *dev_id) cmd = 0xf9; /* tell the controller to send touch data */ offset = 5; /* where the actual touch data starts */ tplen = 4; /* data comes in so called frames */ - datalen = 26; /* how much bytes to listen for */ + crclen = 1; /* length of the crc data */ break; case M09: cmd = 0x02; offset = 1; tplen = 6; - datalen = 29; + crclen = 0; break; default: @@ -193,6 +193,7 @@ static irqreturn_t edt_ft5x06_ts_isr(int irq, void *dev_id) } memset(rdbuf, 0, sizeof(rdbuf)); + datalen = tplen * MAX_SUPPORT_POINTS + offset + crclen; error = edt_ft5x06_ts_readwrite(tsdata->client, sizeof(cmd), &cmd, |