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| author | Axel Lin <axel.lin@gmail.com> | 2011-07-13 00:03:36 -0700 |
|---|---|---|
| committer | Dmitry Torokhov <dmitry.torokhov@gmail.com> | 2011-07-13 00:08:20 -0700 |
| commit | 21184c4efbba7b7959c7868cf2b99f43f29fc199 (patch) | |
| tree | 9b2689a7a8ecde630ebed0e637d97a0cf461dd66 /drivers/input/touchscreen/cy8ctmg110_ts.c | |
| parent | fea2021c76a414b71204cc2aea623bb037fa913b (diff) | |
| download | linux-21184c4efbba7b7959c7868cf2b99f43f29fc199.tar.gz linux-21184c4efbba7b7959c7868cf2b99f43f29fc199.tar.bz2 linux-21184c4efbba7b7959c7868cf2b99f43f29fc199.zip | |
Input: cy8ctmg110_ts - fix checking return value of i2c_master_send
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>
Diffstat (limited to 'drivers/input/touchscreen/cy8ctmg110_ts.c')
| -rw-r--r-- | drivers/input/touchscreen/cy8ctmg110_ts.c | 4 |
1 files changed, 2 insertions, 2 deletions
diff --git a/drivers/input/touchscreen/cy8ctmg110_ts.c b/drivers/input/touchscreen/cy8ctmg110_ts.c index a93c5c26ab3f..b3fdd1361c36 100644 --- 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; |