From: Dmitry Torokhov <dmitry.torokhov@gmail.com>
To: Daniel Kurtz <djkurtz@chromium.org>
Cc: Henrik Rydberg <rydberg@euromail.se>,
Joonyoung Shim <jy0922.shim@samsung.com>,
Nick Dyer <nick.dyer@itdev.co.uk>,
linux-input@vger.kernel.org, linux-kernel@vger.kernel.org,
Benson Leung <bleung@chromium.org>,
Yufeng Shen <miletus@chromium.org>,
khali@linux-fr.org
Subject: Re: [PATCH 03/14 v3] Input: atmel_mxt_ts - refactor mxt_read/write_reg to take a length
Date: Tue, 8 May 2012 22:54:11 -0700 [thread overview]
Message-ID: <20120509055411.GG10514@core.coreip.homeip.net> (raw)
In-Reply-To: <1334755319-21365-4-git-send-email-djkurtz@chromium.org>
Hi Daniel,
On Wed, Apr 18, 2012 at 09:21:48PM +0800, Daniel Kurtz wrote:
> + ret = i2c_transfer(client->adapter, xfer, 2);
> + if (ret != 2) {
> + dev_err(&client->dev, "i2c read reg failed (%d)\n", ret);
> + if (ret >= 0)
> + ret = -EIO;
> }
>
> - return 0;
> + return (ret == 2) ? 0 : ret;
> }
Would prefer:
ret = i2c_transfer(client->adapter, xfer, ARRAY_SIZE(xfer));
if (ret != ARRAY_SIZE(xfer)) {
if (ret >= 0)
ret = -EIO;
dev_err(&client->dev, "i2c read reg failed (%d)\n", ret);
return ret;
}
return 0;
Or maybe we need i2c_transfer_exact() wrapper? Jean?
Thanks.
--
Dmitry
next prev parent reply other threads:[~2012-05-09 5:54 UTC|newest]
Thread overview: 26+ messages / expand[flat|nested] mbox.gz Atom feed top
2012-04-18 13:21 [PATCH 00/14 v3] cleanup atmel_mxt_ts Daniel Kurtz
2012-04-18 13:21 ` [PATCH 01/14 v3] Input: atmel_mxt_ts - use CONFIG_PM_SLEEP Daniel Kurtz
2012-04-18 13:21 ` [PATCH 02/14 v3] Input: atmel_mxt_ts - only allow root to update firmware Daniel Kurtz
2012-04-18 13:21 ` [PATCH 03/14 v3] Input: atmel_mxt_ts - refactor mxt_read/write_reg to take a length Daniel Kurtz
2012-04-24 11:23 ` Henrik Rydberg
2012-05-09 5:50 ` Dmitry Torokhov
2012-05-09 5:54 ` Dmitry Torokhov [this message]
2012-05-09 7:05 ` Jean Delvare
2012-05-09 7:25 ` Dmitry Torokhov
2012-04-18 13:21 ` [PATCH 04/14 v3] Input: atmel_mxt_ts - verify object size in mxt_write_object Daniel Kurtz
2012-04-18 13:21 ` [PATCH 05/14 v3] Input: atmel_mxt_ts - do not read extra (checksum) byte Daniel Kurtz
2012-04-18 13:21 ` [PATCH 06/14 v3] Input: atmel_mxt_ts - dump each message on just 1 line Daniel Kurtz
2012-04-18 13:21 ` [PATCH 07/14 v3] Input: atmel_mxt_ts - refactor mxt_object_show Daniel Kurtz
2012-04-18 13:21 ` [PATCH 08/14 v3] Input: atmel_mxt_ts - optimize writing of object table entries Daniel Kurtz
2012-04-18 13:21 ` [PATCH 09/14 v3] Input: atmel_mxt_ts - refactor get info Daniel Kurtz
2012-05-05 17:41 ` Nick Dyer
2012-05-06 2:43 ` Daniel Kurtz
2012-04-18 13:21 ` [PATCH 10/14 v3] Input: atmel_mxt_ts - simplify event reporting Daniel Kurtz
2012-04-18 13:21 ` [PATCH 11/14 v3] Input: atmel_mxt_ts - cache T9 reportid range when reading object table Daniel Kurtz
2012-04-18 13:21 ` [PATCH 12/14 v3] Input: atmel_mxt_ts - parse vector field of data packets Daniel Kurtz
2012-04-18 13:21 ` [PATCH 13/14 v3] Input: atmel_mxt_ts - send all MT-B slots in one input report Daniel Kurtz
2012-04-18 13:21 ` [PATCH 14/14 v3] Input: atmel_mxt_ts - parse T6 reports Daniel Kurtz
2012-05-04 17:39 ` [PATCH 00/14 v3] cleanup atmel_mxt_ts Daniel Kurtz
2012-05-05 12:16 ` Henrik Rydberg
2012-05-05 13:01 ` Daniel Kurtz
2012-05-09 5:48 ` Dmitry Torokhov
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