This is an automatic generated email to let you know that the following patch were queued at the http://git.linuxtv.org/media-tree.git tree:
Subject: V4L/DVB: cx23885: Check for slave nack on all transactions Author: Jean Delvare <[email protected]> Date: Sun Jul 18 16:52:05 2010 -0300 Don't just check for nacks on zero-length transactions. Check on other transactions too. Signed-off-by: Jean Delvare <[email protected]> Signed-off-by: Andy Walls <[email protected]> Signed-off-by: Mauro Carvalho Chehab <[email protected]> drivers/media/video/cx23885/cx23885-i2c.c | 8 ++++++++ 1 files changed, 8 insertions(+), 0 deletions(-) --- http://git.linuxtv.org/media-tree.git?a=commitdiff;h=44835f197bf1e3f57464f23dfb239fef06cf89be diff --git a/drivers/media/video/cx23885/cx23885-i2c.c b/drivers/media/video/cx23885/cx23885-i2c.c index 154c914..afb8d6f 100644 --- a/drivers/media/video/cx23885/cx23885-i2c.c +++ b/drivers/media/video/cx23885/cx23885-i2c.c @@ -125,6 +125,10 @@ static int i2c_sendbytes(struct i2c_adapter *i2c_adap, goto err; if (retval == 0) goto eio; + if (!i2c_slave_did_ack(i2c_adap)) { + retval = -ENXIO; + goto err; + } if (i2c_debug) { printk(" <W %02x %02x", msg->addr << 1, msg->buf[0]); if (!(ctrl & I2C_NOSTOP)) @@ -214,6 +218,10 @@ static int i2c_readbytes(struct i2c_adapter *i2c_adap, goto err; if (retval == 0) goto eio; + if (cnt == 0 && !i2c_slave_did_ack(i2c_adap)) { + retval = -ENXIO; + goto err; + } msg->buf[cnt] = cx_read(bus->reg_rdata) & 0xff; if (i2c_debug) { dprintk(1, " %02x", msg->buf[cnt]); _______________________________________________ linuxtv-commits mailing list [email protected] http://www.linuxtv.org/cgi-bin/mailman/listinfo/linuxtv-commits
