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Input: cy8ctmg110_ts - fix checking return value of i2c_master_send

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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>
This commit is contained in:
Axel Lin 2011-07-13 00:03:36 -07:00 committed by Dmitry Torokhov
parent fea2021c76
commit 21184c4efb
1 changed files with 2 additions and 2 deletions
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4
drivers/input/touchscreen/cy8ctmg110_ts.c
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@ -84,9 +84,9 @@ static int cy8ctmg110_write_regs(struct cy8ctmg110 *tsc, unsigned char reg,
memcpy(i2c_data + 1, value, len); memcpy(i2c_data + 1, value, len);
ret = i2c_master_send(client, i2c_data, len + 1); 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"); dev_err(&client->dev, "i2c write data cmd failed\n");
return ret ? ret : -EIO; return ret < 0 ? ret : -EIO;
} }
return 0; return 0;