Date: Tue, 1 Feb 2011 14:01:25 +0100 From: Hans Petter Selasky <hselasky@freebsd.org> To: Juergen Lock <nox@jelal.kn-bremen.de> Cc: "freebsd-multimedia@freebsd.org" <freebsd-multimedia@freebsd.org> Subject: Re: New dvb-s2 tuner, and a hack to get remaining remotes working Message-ID: <201102011401.26024.hselasky@freebsd.org> In-Reply-To: <20110201123054.GA10962@triton8.kn-bremen.de> References: <201102011212.40488.hselasky@freebsd.org> <20110201123054.GA10962@triton8.kn-bremen.de>
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On Tuesday 01 February 2011 13:30:54 Juergen Lock wrote:
> On Tue, Feb 01, 2011 at 12:12:40PM +0100, Hans Petter Selasky wrote:
> > On Tuesday 01 February 2011 12:08:40 Juergen Lock wrote:
> > > F_SETFL
> >
> > Try to change FIONBIO with F_SETFL in the patch.
>
> Turns out FIONBIO was correct but I had to allow for FIOASYNC too:
Hi,
Add some printouts in "v4l-dvb/linux/drivers/media/IR/lirc_dev.c" to see if
this function returns any error codes due to a read of 3 bytes.
--HPS
ssize_t lirc_dev_fop_read(struct file *file,
char *buffer,
size_t length,
loff_t *ppos)
{
struct irctl *ir = irctls[iminor(file->f_dentry->d_inode)];
unsigned char buf[ir->chunk_size];
int ret = 0, written = 0;
DECLARE_WAITQUEUE(wait, current);
dev_dbg(ir->d.dev, LOGHEAD "read called\n", ir->d.name, ir->d.minor);
if (mutex_lock_interruptible(&ir->irctl_lock))
return -ERESTARTSYS;
if (!ir->attached) {
mutex_unlock(&ir->irctl_lock);
return -ENODEV;
}
if (length % ir->chunk_size) {
dev_dbg(ir->d.dev, LOGHEAD "read result = -EINVAL\n",
ir->d.name, ir->d.minor);
mutex_unlock(&ir->irctl_lock);
return -EINVAL;
}
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