diff options
| author | Linus Torvalds <torvalds@woody.linux-foundation.org> | 2007-10-11 19:09:32 -0700 |
|---|---|---|
| committer | Linus Torvalds <torvalds@woody.linux-foundation.org> | 2007-10-11 19:09:32 -0700 |
| commit | c634920abaf9c0a93266a57beff6fce9d3852cb2 (patch) | |
| tree | 5ac85f54905a8cd3b12b262c66189084cbff54fc /drivers/media/common/saa7146_i2c.c | |
| parent | 6abd2c860e34add677de50e8b134f5af6f4b0893 (diff) | |
| parent | a991f44b79fa49b281eb078eed4a76a42101012a (diff) | |
Merge branch 'master' of git://git.kernel.org/pub/scm/linux/kernel/git/mchehab/v4l-dvb
* 'master' of git://git.kernel.org/pub/scm/linux/kernel/git/mchehab/v4l-dvb: (310 commits)
V4L/DVB (6316): Change list_for_each+list_entry to list_for_each_entry
V4L/DVB (6315): pvrusb2: Change list_for_each+list_entry to list_for_each_entry
V4L/DVB (6314): saa7134: Replace list_for_each+list_entry with list_for_each_entry
V4L/DVB (6313): ivtv: Replace list_for_each+list_entry with list_for_each_entry
V4L/DVB (6312): cx88: Replace list_for_each+list_entry with list_for_each_entry
V4L/DVB (6311): dvb: Replace list_for_each+list_entry with list_for_each_entry
V4L/DVB (6308): V4L: zc0301, remove bad usage of ERESTARTSYS
V4L/DVB (6307): V4L: w9968cf, remove bad usage of ERESTARTSYS
V4L/DVB (6306): Few clenups for saa7134 resume code
V4L/DVB (6305): V4L: videobuf-core.c avoid NULL dereferences in videobuf-core
V4L/DVB (6301): pvrusb: Update DEBUGIFC sysfs to kernel 2.6.13+
V4L/DVB (6300): CodingStyle cleanup
V4L/DVB (6299): dvb: Add dependencies for VIDEOBUF_DVB
V4L/DVB (6297): cx23885: remove wrong Kconfig selection of VIDEOBUF
V4L/DVB (6296): dib0700: add support for AverMedia DVB-T Express card
V4L/DVB (6295): saa7134: add autodetection for KWorld ATSC-115
V4L/DVB (6293): V4L: convert struct class_device to struct device
V4L/DVB (6292): videobuf_core init always require callback implementation
V4L/DVB (6291): Fix: avoid oops on some SMP machines
V4L/DVB (6290): remove videobuf_set_pci_ops
...
Diffstat (limited to 'drivers/media/common/saa7146_i2c.c')
| -rw-r--r-- | drivers/media/common/saa7146_i2c.c | 23 |
1 files changed, 17 insertions, 6 deletions
diff --git a/drivers/media/common/saa7146_i2c.c b/drivers/media/common/saa7146_i2c.c index 8c85efc2652..7e7689afae6 100644 --- a/drivers/media/common/saa7146_i2c.c +++ b/drivers/media/common/saa7146_i2c.c @@ -202,7 +202,8 @@ static int saa7146_i2c_writeout(struct saa7146_dev *dev, u32* dword, int short_d /* a signal arrived */ return -ERESTARTSYS; - printk(KERN_WARNING "saa7146_i2c_writeout: timed out waiting for end of xfer\n"); + printk(KERN_WARNING "%s %s [irq]: timed out waiting for end of xfer\n", + dev->name, __FUNCTION__); return -EIO; } status = saa7146_read(dev, I2C_STATUS); @@ -219,7 +220,8 @@ static int saa7146_i2c_writeout(struct saa7146_dev *dev, u32* dword, int short_d break; } if (time_after(jiffies,timeout)) { - printk(KERN_WARNING "saa7146_i2c_writeout: timed out waiting for MC2\n"); + printk(KERN_WARNING "%s %s: timed out waiting for MC2\n", + dev->name, __FUNCTION__); return -EIO; } } @@ -235,7 +237,8 @@ static int saa7146_i2c_writeout(struct saa7146_dev *dev, u32* dword, int short_d /* this is normal when probing the bus * (no answer from nonexisistant device...) */ - DEB_I2C(("saa7146_i2c_writeout: timed out waiting for end of xfer\n")); + printk(KERN_WARNING "%s %s [poll]: timed out waiting for end of xfer\n", + dev->name, __FUNCTION__); return -EIO; } if (++trial < 50 && short_delay) @@ -246,8 +249,16 @@ static int saa7146_i2c_writeout(struct saa7146_dev *dev, u32* dword, int short_d } /* give a detailed status report */ - if ( 0 != (status & SAA7146_I2C_ERR)) { - + if ( 0 != (status & (SAA7146_I2C_SPERR | SAA7146_I2C_APERR | + SAA7146_I2C_DTERR | SAA7146_I2C_DRERR | + SAA7146_I2C_AL | SAA7146_I2C_ERR | + SAA7146_I2C_BUSY)) ) { + + if ( 0 == (status & SAA7146_I2C_ERR) || + 0 == (status & SAA7146_I2C_BUSY) ) { + /* it may take some time until ERR goes high - ignore */ + DEB_I2C(("unexpected i2c status %04x\n", status)); + } if( 0 != (status & SAA7146_I2C_SPERR) ) { DEB_I2C(("error due to invalid start/stop condition.\n")); } @@ -277,7 +288,7 @@ static int saa7146_i2c_writeout(struct saa7146_dev *dev, u32* dword, int short_d return 0; } -int saa7146_i2c_transfer(struct saa7146_dev *dev, const struct i2c_msg *msgs, int num, int retries) +static int saa7146_i2c_transfer(struct saa7146_dev *dev, const struct i2c_msg *msgs, int num, int retries) { int i = 0, count = 0; u32* buffer = dev->d_i2c.cpu_addr; |