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Input: cy8ctmg110_ts - fix checking return value of i2c_master_send
author
Axel Lin
<axel.lin@gmail.com>
Wed, 13 Jul 2011 07:03:36 +0000
(
00:03
-0700)
committer
Dmitry Torokhov
<dmitry.torokhov@gmail.com>
Wed, 13 Jul 2011 07:08:20 +0000
(
00:08
-0700)
i2c_master_send returns negative errno, or else the number of bytes written.
Signed-off-by: Axel Lin <axel.lin@gmail.com>
Signed-off-by: Dmitry Torokhov <dtor@mail.ru>
drivers/input/touchscreen/cy8ctmg110_ts.c
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diff --git
a/drivers/input/touchscreen/cy8ctmg110_ts.c
b/drivers/input/touchscreen/cy8ctmg110_ts.c
index
a93c5c2
..
b3fdd13
100644
(file)
--- a/
drivers/input/touchscreen/cy8ctmg110_ts.c
+++ b/
drivers/input/touchscreen/cy8ctmg110_ts.c
@@
-84,9
+84,9
@@
static int cy8ctmg110_write_regs(struct cy8ctmg110 *tsc, unsigned char reg,
memcpy(i2c_data + 1, value, len);
ret = i2c_master_send(client, i2c_data, len + 1);
- if (ret != 1) {
+ if (ret !=
len +
1) {
dev_err(&client->dev, "i2c write data cmd failed\n");
- return ret ? ret : -EIO;
+ return ret
< 0
? ret : -EIO;
}
return 0;