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Merge git://git.kernel.org/pub/scm/linux/kernel/git/mchehab/v4l-dvb

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* git://git.kernel.org/pub/scm/linux/kernel/git/mchehab/v4l-dvb:
  V4L/DVB (6916): ivtv: udelay has to be changed *after* the eeprom was read, not before
  V4L/DVB (6944a): Fix Regression VIDIOCGMBUF ioctl hangs on bttv driver
This commit is contained in:
Linus Torvalds 2008-01-07 13:29:39 -08:00
commit 89a30a8388
3 changed files with 6 additions and 7 deletions
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4
drivers/media/video/bt8xx/bttv-driver.c
View File

@ -3063,11 +3063,10 @@ static int bttv_do_ioctl(struct inode *inode, struct file *file,
struct video_mbuf *mbuf = arg;
unsigned int i;
mutex_lock(&fh->cap.lock);
retval = videobuf_mmap_setup(&fh->cap,gbuffers,gbufsize,
V4L2_MEMORY_MMAP);
if (retval < 0)
goto fh_unlock_and_return;
return retval;
gbuffers = retval;
memset(mbuf,0,sizeof(*mbuf));
@ -3075,7 +3074,6 @@ static int bttv_do_ioctl(struct inode *inode, struct file *file,
mbuf->size = gbuffers * gbufsize;
for (i = 0; i < gbuffers; i++)
mbuf->offsets[i] = i * gbufsize;
mutex_unlock(&fh->cap.lock);
return 0;
}
case VIDIOCMCAPTURE:

4
drivers/media/video/ivtv/ivtv-driver.c
View File

@ -1076,6 +1076,10 @@ static int __devinit ivtv_probe(struct pci_dev *dev,
ivtv_process_eeprom(itv);
}
/* The mspx4xx chips need a longer delay for some reason */
if (!(itv->hw_flags & IVTV_HW_MSP34XX))
itv->i2c_algo.udelay = 5;
if (itv->std == 0) {
itv->std = V4L2_STD_NTSC_M;
}

5
drivers/media/video/ivtv/ivtv-i2c.c
View File

@ -541,7 +541,7 @@ static const struct i2c_algo_bit_data ivtv_i2c_algo_template = {
.setscl = ivtv_setscl_old,
.getsda = ivtv_getsda_old,
.getscl = ivtv_getscl_old,
.udelay = 5,
.udelay = 10,
.timeout = 200,
};
@ -718,9 +718,6 @@ int init_ivtv_i2c(struct ivtv *itv)
sizeof(struct i2c_adapter));
memcpy(&itv->i2c_algo, &ivtv_i2c_algo_template,
sizeof(struct i2c_algo_bit_data));
/* The mspx4xx chips need a longer delay for some reason */
if (itv->hw_flags & IVTV_HW_MSP34XX)
itv->i2c_algo.udelay = 10;
itv->i2c_algo.data = itv;
itv->i2c_adap.algo_data = &itv->i2c_algo;
}