From d09dbf92ada861244056d914a8f68b8be99891ed Mon Sep 17 00:00:00 2001 From: Andrew de Quincey Date: Mon, 10 Apr 2006 09:27:37 -0300 Subject: V4L/DVB (3762): Add sysfs device links to dvb devices Currently in /sys/class/dvb/dvbX.demuxY/ we have: dev uevent With the patch, we have (for a PCI DVB device): dev device -> ../../../devices/pci0000:00/0000:00:1e.0/0000:03:0d.0 uevent So userspace tools can (finally) work out which physical device a DVB adapter refers to. Previously you had to kinda look through dmesg and hope that it hadn't been dumped out of the buffer. This makes debugging a lot easier if the system has been up for a long time! This is done by adding an extra 'struct device *' parameter to dvb_register_adapter(). It will work with any kind of standard linux 'device'. Additionally, if someone has an embedded system which does things differently, they can simply supply 'NULL' and the behaviour will be as before - the link will simply not appear. Ack'd-by: Manu Abraham Acked-by: Michael Krufky Signed-off-by: Andrew de Quincey Signed-off-by: Mauro Carvalho Chehab --- drivers/media/dvb/cinergyT2/cinergyT2.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) (limited to 'drivers/media/dvb/cinergyT2/cinergyT2.c') diff --git a/drivers/media/dvb/cinergyT2/cinergyT2.c b/drivers/media/dvb/cinergyT2/cinergyT2.c index 9325d039ea6..c7e4134872d 100644 --- a/drivers/media/dvb/cinergyT2/cinergyT2.c +++ b/drivers/media/dvb/cinergyT2/cinergyT2.c @@ -902,7 +902,7 @@ static int cinergyt2_probe (struct usb_interface *intf, return -ENOMEM; } - if ((err = dvb_register_adapter(&cinergyt2->adapter, DRIVER_NAME, THIS_MODULE)) < 0) { + if ((err = dvb_register_adapter(&cinergyt2->adapter, DRIVER_NAME, THIS_MODULE, &cinergyt2->udev->dev)) < 0) { kfree(cinergyt2); return err; } -- cgit v1.2.3-70-g09d2 From 774dd5d9bdcbfe2efb3425e8a0be0b4d01a65c26 Mon Sep 17 00:00:00 2001 From: "Dyks, Axel (XL)" Date: Sun, 11 Jun 2006 17:14:35 -0300 Subject: V4L/DVB (4090): Fix cinergyt2_poll() to allow non-blocking IO on frontend cinergyt2_poll()" shouldn't return (POLLIN | POLLRDNORM | POLLPRI) when there are no pending events. User space programs that do non-bocking IO using "select()" and/or "poll()" would otherwise produce high system load. Acked-by: Andreas Oberritter Signed-off-by: Axel Dyks Acked-by: Andreas Oberritter Signed-off-by: Mauro Carvalho Chehab --- drivers/media/dvb/cinergyT2/cinergyT2.c | 6 +++++- 1 file changed, 5 insertions(+), 1 deletion(-) (limited to 'drivers/media/dvb/cinergyT2/cinergyT2.c') diff --git a/drivers/media/dvb/cinergyT2/cinergyT2.c b/drivers/media/dvb/cinergyT2/cinergyT2.c index c7e4134872d..8cfdad6f50f 100644 --- a/drivers/media/dvb/cinergyT2/cinergyT2.c +++ b/drivers/media/dvb/cinergyT2/cinergyT2.c @@ -544,15 +544,19 @@ static unsigned int cinergyt2_poll (struct file *file, struct poll_table_struct { struct dvb_device *dvbdev = file->private_data; struct cinergyt2 *cinergyt2 = dvbdev->priv; + unsigned int mask = 0; if (cinergyt2->disconnect_pending || mutex_lock_interruptible(&cinergyt2->sem)) return -ERESTARTSYS; poll_wait(file, &cinergyt2->poll_wq, wait); + if (cinergyt2->pending_fe_events != 0) + mask |= (POLLIN | POLLRDNORM | POLLPRI); + mutex_unlock(&cinergyt2->sem); - return (POLLIN | POLLRDNORM | POLLPRI); + return mask; } -- cgit v1.2.3-70-g09d2 From fd174c67253505d6af4a32c6e3d7ec8cbaed320d Mon Sep 17 00:00:00 2001 From: Michael Krufky Date: Mon, 12 Jun 2006 13:40:37 -0300 Subject: V4L/DVB (4096): CinergyT2: whitespace cleanup Signed-off-by: Michael Krufky Signed-off-by: Mauro Carvalho Chehab --- drivers/media/dvb/cinergyT2/cinergyT2.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) (limited to 'drivers/media/dvb/cinergyT2/cinergyT2.c') diff --git a/drivers/media/dvb/cinergyT2/cinergyT2.c b/drivers/media/dvb/cinergyT2/cinergyT2.c index 8cfdad6f50f..1b895360042 100644 --- a/drivers/media/dvb/cinergyT2/cinergyT2.c +++ b/drivers/media/dvb/cinergyT2/cinergyT2.c @@ -552,7 +552,7 @@ static unsigned int cinergyt2_poll (struct file *file, struct poll_table_struct poll_wait(file, &cinergyt2->poll_wq, wait); if (cinergyt2->pending_fe_events != 0) - mask |= (POLLIN | POLLRDNORM | POLLPRI); + mask |= (POLLIN | POLLRDNORM | POLLPRI); mutex_unlock(&cinergyt2->sem); -- cgit v1.2.3-70-g09d2