From mboxrd@z Thu Jan 1 00:00:00 1970 From: Manuel Lauss Subject: [PATCH 3/4] i2c/au1550: increase timeout limit Date: Thu, 14 Jul 2011 10:56:54 +0200 Message-ID: <1310633815-18817-4-git-send-email-manuel.lauss@googlemail.com> References: <1310633815-18817-1-git-send-email-manuel.lauss@googlemail.com> Return-path: In-Reply-To: <1310633815-18817-1-git-send-email-manuel.lauss-gM/Ye1E23mwN+BqQ9rBEUg@public.gmane.org> Sender: linux-i2c-owner-u79uwXL29TY76Z2rM5mHXA@public.gmane.org To: Linux-I2C , Ben Dooks Cc: Manuel Lauss List-Id: linux-i2c@vger.kernel.org The timeout waiting for various events to occur is tailored for a module clock of 50MHz. On the DB1300 board only 48MHz can be supplied to the i2c module, which results in the timeout aborting complex transfers to slaves slightly too early if they employ for example clock stretching. With this change the WM8731 codec on the DB1300 board is correctly detected and initialized. Signed-off-by: Manuel Lauss --- drivers/i2c/busses/i2c-au1550.c | 2 +- 1 files changed, 1 insertions(+), 1 deletions(-) diff --git a/drivers/i2c/busses/i2c-au1550.c b/drivers/i2c/busses/i2c-au1550.c index 98ee11a..36d1b29 100644 --- a/drivers/i2c/busses/i2c-au1550.c +++ b/drivers/i2c/busses/i2c-au1550.c @@ -344,7 +344,7 @@ i2c_au1550_probe(struct platform_device *pdev) ret = -EIO; goto out_map; } - priv->xfer_timeout = 200; + priv->xfer_timeout = 400; priv->adap.nr = pdev->id; priv->adap.algo = &au1550_algo; -- 1.7.6