Messages in this thread Patch in this message | | | From | Frodo Lai <> | Subject | [PATCH] Input: pixcir_i2c_ts - fix receive error | Date | Tue, 16 Jun 2015 13:03:04 -0700 |
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The i2c_master_recv() uses readsize to receive data from i2c but compares to size of rdbuf which is always 27. This would casue problem when the max_fingers is not 5. Change the comparison value to readsize instead.
Signed-off-by: Frodo Lai <frodo_lai@bcmcom.com> --- drivers/input/touchscreen/pixcir_i2c_ts.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/drivers/input/touchscreen/pixcir_i2c_ts.c b/drivers/input/touchscreen/pixcir_i2c_ts.c index 2c21071..8f3e243 100644 --- a/drivers/input/touchscreen/pixcir_i2c_ts.c +++ b/drivers/input/touchscreen/pixcir_i2c_ts.c @@ -78,7 +78,7 @@ static void pixcir_ts_parse(struct pixcir_i2c_ts_data *tsdata, } ret = i2c_master_recv(tsdata->client, rdbuf, readsize); - if (ret != sizeof(rdbuf)) { + if (ret != readsize) { dev_err(&tsdata->client->dev, "%s: i2c_master_recv failed(), ret=%d\n", __func__, ret); -- 1.7.9.5
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