linux/drivers/media
Trent Piepho fa40b2237a V4L/DVB (6034): cx88: Add parameter to control radio deemphasis time constant
FM radio transmission use a preemphasis/deemphasis scheme to reduce
high-frequency noise.  The cx88 audio decoder is supposedly set to no
deemphasis by the current driver.

However, the "no deemphasis" setting doesn't work.  On my chip, cx23883, it
produces the same result as the 75 us time constant.  Maybe the default
settings on the cx23881 are for 50 us?

Since the deemphasis time constant varies by country, allow setting it via a
module parameter.

Signed-off-by: Trent Piepho <xyzzy@speakeasy.org>
Signed-off-by: Mauro Carvalho Chehab <mchehab@infradead.org>
2007-10-09 22:05:21 -03:00
..
common V4L/DVB (5987): saa7146: clean-up irq processing 2007-10-09 22:04:44 -03:00
dvb V4L/DVB (6031): Fix for bug 7819: fixed hotplugging for dvbnet 2007-10-09 22:05:21 -03:00
radio V4L/DVB (5877): radio-gemtek-pci: remove unused structure member 2007-07-20 17:35:56 -03:00
video V4L/DVB (6034): cx88: Add parameter to control radio deemphasis time constant 2007-10-09 22:05:21 -03:00
Kconfig V4L/DVB (5791): Fix Kbuild for kbd-ir-i2c 2007-07-18 14:24:22 -03:00
Makefile V4L/DVB (5599): Use menuconfig objects II - DVB 2007-05-09 10:12:48 -03:00