public inbox for linux-kernel@vger.kernel.org
 help / color / mirror / Atom feed
* [PATCH 9/9 v2] cx23885, altera-ci: enable all PID's less than 0x20 in hardware PID filter.
@ 2011-01-02 12:08 Igor M. Liplianin
  0 siblings, 0 replies; only message in thread
From: Igor M. Liplianin @ 2011-01-02 12:08 UTC (permalink / raw)
  To: mchehab, linux-media, linux-kernel

It takes too long time to scan due to low symbol rate PID's
like PAT, PMT, CAT, NIT.
For that matter we enabled permanently all PID's
less 0x20 in hardware PID filter for NetUP Dual DVB-T/C CI RF card
to combine rates.

Signed-off-by: Igor M. Liplianin <liplianin@netup.ru>
---
 drivers/media/video/cx23885/altera-ci.c |    9 +++++----
 1 files changed, 5 insertions(+), 4 deletions(-)

diff --git a/drivers/media/video/cx23885/altera-ci.c b/drivers/media/video/cx23885/altera-ci.c
index 019797b..e2c9fee 100644
--- a/drivers/media/video/cx23885/altera-ci.c
+++ b/drivers/media/video/cx23885/altera-ci.c
@@ -646,8 +646,9 @@ static void altera_toggle_fullts_streaming(struct netup_hw_pid_filter *pid_filt,
 
 		netup_fpga_op_rw(inter, NETUP_CI_PID_ADDR1,
 				((i >> 8) & 0x03) | (pid_filt->nr << 2), 0);
-
-		netup_fpga_op_rw(inter, NETUP_CI_PID_DATA, store, 0);
+		/* pid 0-0x1f always enabled */
+		netup_fpga_op_rw(inter, NETUP_CI_PID_DATA,
+				(i > 3 ? store : 0), 0);
 	}
 
 	mutex_unlock(&inter->fpga_mutex);
@@ -724,8 +725,8 @@ static void altera_pid_control(struct netup_hw_pid_filter *pid_filt,
 {
 	struct fpga_internal *inter = pid_filt->internal;
 	u8 store = 0;
-
-	if (pid == 0x2000)
+	/* pid 0-0x1f always enabled, don't touch them */
+	if ((pid == 0x2000) || (pid < 0x20))
 		return;
 
 	mutex_lock(&inter->fpga_mutex);
-- 
1.7.1


^ permalink raw reply related	[flat|nested] only message in thread

only message in thread, other threads:[~2011-01-02 12:40 UTC | newest]

Thread overview: (only message) (download: mbox.gz follow: Atom feed
-- links below jump to the message on this page --
2011-01-02 12:08 [PATCH 9/9 v2] cx23885, altera-ci: enable all PID's less than 0x20 in hardware PID filter Igor M. Liplianin

This is a public inbox, see mirroring instructions
for how to clone and mirror all data and code used for this inbox