diff options
| author | Steven Toth <stoth@kernellabs.com> | 2015-03-23 15:41:03 -0300 |
|---|---|---|
| committer | Mauro Carvalho Chehab <mchehab@osg.samsung.com> | 2015-05-01 07:19:34 -0300 |
| commit | 8ed5e4e89c321cd7eab936517dc7e3a249299e24 (patch) | |
| tree | 53946c54321875c41773228021ab384c52ef4daa /drivers | |
| parent | 5f954b5be4bf42e85e0a204518499bda8ee2f419 (diff) | |
[media] saa7164: Adding additional I2C debug
Assists with debugging difficult I2C devices.
Signed-off-by: Steven Toth <stoth@kernellabs.com>
Signed-off-by: Hans Verkuil <hans.verkuil@cisco.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@osg.samsung.com>
Diffstat (limited to 'drivers')
| -rw-r--r-- | drivers/media/pci/saa7164/saa7164-api.c | 8 |
1 files changed, 5 insertions, 3 deletions
diff --git a/drivers/media/pci/saa7164/saa7164-api.c b/drivers/media/pci/saa7164/saa7164-api.c index 4f3b1dd18ba4..97bbd0a13d62 100644 --- a/drivers/media/pci/saa7164/saa7164-api.c +++ b/drivers/media/pci/saa7164/saa7164-api.c @@ -1373,7 +1373,8 @@ int saa7164_api_i2c_read(struct saa7164_i2c *bus, u8 addr, u32 reglen, u8 *reg, u8 buf[256]; int ret; - dprintk(DBGLVL_API, "%s()\n", __func__); + dprintk(DBGLVL_API, "%s() addr=%x reglen=%d datalen=%d\n", + __func__, addr, reglen, datalen); if (reglen > 4) return -EIO; @@ -1434,7 +1435,8 @@ int saa7164_api_i2c_write(struct saa7164_i2c *bus, u8 addr, u32 datalen, u8 buf[256]; int ret; - dprintk(DBGLVL_API, "%s()\n", __func__); + dprintk(DBGLVL_API, "%s() addr=0x%2x len=0x%x\n", + __func__, addr, datalen); if ((datalen == 0) || (datalen > 232)) return -EIO; @@ -1464,7 +1466,7 @@ int saa7164_api_i2c_write(struct saa7164_i2c *bus, u8 addr, u32 datalen, return -EIO; } - dprintk(DBGLVL_API, "%s() len = %d bytes\n", __func__, len); + dprintk(DBGLVL_API, "%s() len = %d bytes unitid=0x%x\n", __func__, len, unitid); /* Prepare the send buffer */ /* Bytes 00-03 dest register length |