From mboxrd@z Thu Jan 1 00:00:00 1970 From: Renaud Cerrato Subject: [PATCH] i2c-gpio: added support for I2C_M_STOP flag Date: Thu, 20 Jun 2013 14:37:17 +0200 Message-ID: <1371731837-1476-1-git-send-email-r.cerrato@til-technologies.fr> Return-path: Sender: linux-i2c-owner-u79uwXL29TY76Z2rM5mHXA@public.gmane.org To: wsa-z923LK4zBo2bacvFa/9K2g@public.gmane.org, linux-i2c-u79uwXL29TY76Z2rM5mHXA@public.gmane.org Cc: Renaud Cerrato List-Id: linux-i2c@vger.kernel.org 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