From: Renaud Cerrato <r.cerrato-6YL8BHNr0ZqHdZQakrT3ElaPQRlvutdw@public.gmane.org>
To: wsa-z923LK4zBo2bacvFa/9K2g@public.gmane.org,
linux-i2c-u79uwXL29TY76Z2rM5mHXA@public.gmane.org
Cc: Renaud Cerrato
<r.cerrato-6YL8BHNr0ZqHdZQakrT3ElaPQRlvutdw@public.gmane.org>
Subject: [PATCH] i2c-gpio: added support for I2C_M_STOP flag
Date: Thu, 20 Jun 2013 14:37:17 +0200 [thread overview]
Message-ID: <1371731837-1476-1-git-send-email-r.cerrato@til-technologies.fr> (raw)
Current i2c bit algo implementation doesn't actually support I2C_M_STOP flag despite I2C_FUNC_PROTOCOL_MANGLING functionnality.
---
drivers/i2c/algos/i2c-algo-bit.c | 6 ++++++
1 files changed, 6 insertions(+), 0 deletions(-)
diff --git a/drivers/i2c/algos/i2c-algo-bit.c b/drivers/i2c/algos/i2c-algo-bit.c
index fad22b0..00446a6 100644
--- a/drivers/i2c/algos/i2c-algo-bit.c
+++ b/drivers/i2c/algos/i2c-algo-bit.c
@@ -557,6 +557,12 @@ static int bit_xfer(struct i2c_adapter *i2c_adap,
for (i = 0; i < num; i++) {
pmsg = &msgs[i];
nak_ok = pmsg->flags & I2C_M_IGNORE_NAK;
+ if (pmsg->flags & I2C_M_STOP) {
+ if (i) {
+ bit_dbg(3, &i2c_adap->dev, "emitting stop condition\n");
+ i2c_stop(adap);
+ }
+ }
if (!(pmsg->flags & I2C_M_NOSTART)) {
if (i) {
bit_dbg(3, &i2c_adap->dev, "emitting "
--
1.7.2.5
next reply other threads:[~2013-06-20 12:37 UTC|newest]
Thread overview: 3+ messages / expand[flat|nested] mbox.gz Atom feed top
2013-06-20 12:37 Renaud Cerrato [this message]
[not found] ` <1371731837-1476-1-git-send-email-r.cerrato-6YL8BHNr0ZqHdZQakrT3ElaPQRlvutdw@public.gmane.org>
2013-06-20 19:39 ` [PATCH] i2c-gpio: added support for I2C_M_STOP flag Wolfram Sang
2013-06-24 6:37 ` Cerrato Renaud
Reply instructions:
You may reply publicly to this message via plain-text email
using any one of the following methods:
* Save the following mbox file, import it into your mail client,
and reply-to-all from there: mbox
Avoid top-posting and favor interleaved quoting:
https://en.wikipedia.org/wiki/Posting_style#Interleaved_style
* Reply using the --to, --cc, and --in-reply-to
switches of git-send-email(1):
git send-email \
--in-reply-to=1371731837-1476-1-git-send-email-r.cerrato@til-technologies.fr \
--to=r.cerrato-6yl8bhnr0zqhdzqakrt3elapqrlvutdw@public.gmane.org \
--cc=linux-i2c-u79uwXL29TY76Z2rM5mHXA@public.gmane.org \
--cc=wsa-z923LK4zBo2bacvFa/9K2g@public.gmane.org \
/path/to/YOUR_REPLY
https://kernel.org/pub/software/scm/git/docs/git-send-email.html
* If your mail client supports setting the In-Reply-To header
via mailto: links, try the mailto: link
Be sure your reply has a Subject: header at the top and a blank line
before the message body.
This is a public inbox, see mirroring instructions
for how to clone and mirror all data and code used for this inbox;
as well as URLs for NNTP newsgroup(s).