diff options
| author | Oliver Endriss <devnull@localhost> | 2003-11-25 19:13:22 +0000 |
|---|---|---|
| committer | Oliver Endriss <devnull@localhost> | 2003-11-25 19:13:22 +0000 |
| commit | 03a665292520b7d6e6373abb7166d8e9f80b960f (patch) | |
| tree | bb4a0b018733a05083cd695e076d54105400c642 /linux | |
| parent | ea594f01cb39d739763ccc2f386f9831323ec116 (diff) | |
| download | mediapointer-dvb-s2-03a665292520b7d6e6373abb7166d8e9f80b960f.tar.gz mediapointer-dvb-s2-03a665292520b7d6e6373abb7166d8e9f80b960f.tar.bz2 | |
introduced flag SAA7146_I2C_SHORT_DELAY to speed up I2C access
Diffstat (limited to 'linux')
| -rw-r--r-- | linux/drivers/media/common/saa7146_i2c.c | 5 | ||||
| -rw-r--r-- | linux/drivers/media/dvb/ttpci/av7110.c | 1 | ||||
| -rw-r--r-- | linux/include/media/saa7146.h | 1 |
3 files changed, 5 insertions, 2 deletions
diff --git a/linux/drivers/media/common/saa7146_i2c.c b/linux/drivers/media/common/saa7146_i2c.c index 06f56531a..5db9ef621 100644 --- a/linux/drivers/media/common/saa7146_i2c.c +++ b/linux/drivers/media/common/saa7146_i2c.c @@ -301,8 +301,9 @@ int saa7146_i2c_transfer(struct saa7146_dev *dev, const struct i2c_msg msgs[], i goto out; } - if (count > 3) short_delay = 1; - + if ( count > 3 || 0 != (SAA7146_I2C_SHORT_DELAY & dev->ext->flags) ) + short_delay = 1; + do { /* reset the i2c-device if necessary */ err = saa7146_i2c_reset(dev); diff --git a/linux/drivers/media/dvb/ttpci/av7110.c b/linux/drivers/media/dvb/ttpci/av7110.c index 577e79c55..6f2ecb376 100644 --- a/linux/drivers/media/dvb/ttpci/av7110.c +++ b/linux/drivers/media/dvb/ttpci/av7110.c @@ -4974,6 +4974,7 @@ static struct saa7146_ext_vv av7110_vv_data_c = { static struct saa7146_extension av7110_extension = { .name = "dvb\0", + .flags = SAA7146_I2C_SHORT_DELAY, .module = THIS_MODULE, .pci_tbl = &pci_tbl[0], diff --git a/linux/include/media/saa7146.h b/linux/include/media/saa7146.h index f06db5313..034280d24 100644 --- a/linux/include/media/saa7146.h +++ b/linux/include/media/saa7146.h @@ -87,6 +87,7 @@ struct saa7146_extension { char name[32]; /* name of the device */ #define SAA7146_USE_I2C_IRQ 0x1 +#define SAA7146_I2C_SHORT_DELAY 0x2 int flags; /* pairs of subvendor and subdevice ids for |