android_kernel_xiaomi_sm8350/drivers/media/video/cx88
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
..
cx88-alsa.c cx88-video build fix 2007-05-07 12:13:04 -07:00
cx88-blackbird.c V4L/DVB (6021): cx88: Copy board information into card state 2007-10-09 22:05:16 -03:00
cx88-cards.c V4L/DVB (6023): cx88: Clean up some ugly and inconsistent printk()s 2007-10-09 22:05:17 -03:00
cx88-core.c V4L/DVB (6022): cx88: Move card core creation from cx88-core.c to cx88-cards.c 2007-10-09 22:05:16 -03:00
cx88-dvb.c V4L/DVB (6023): cx88: Clean up some ugly and inconsistent printk()s 2007-10-09 22:05:17 -03:00
cx88-i2c.c V4L/DVB (6021): cx88: Copy board information into card state 2007-10-09 22:05:16 -03:00
cx88-input.c V4L/DVB (6021): cx88: Copy board information into card state 2007-10-09 22:05:16 -03:00
cx88-mpeg.c V4L/DVB (6023): cx88: Clean up some ugly and inconsistent printk()s 2007-10-09 22:05:17 -03:00
cx88-reg.h
cx88-tvaudio.c V4L/DVB (6034): cx88: Add parameter to control radio deemphasis time constant 2007-10-09 22:05:21 -03:00
cx88-vbi.c
cx88-video.c V4L/DVB (6023): cx88: Clean up some ugly and inconsistent printk()s 2007-10-09 22:05:17 -03:00
cx88-vp3054-i2c.c V4L/DVB (6021): cx88: Copy board information into card state 2007-10-09 22:05:16 -03:00
cx88-vp3054-i2c.h V4L/DVB (5629): Cx88: VP3054 support can't be a module when cx88 is compiled in 2007-07-18 14:23:11 -03:00
cx88.h V4L/DVB (6022): cx88: Move card core creation from cx88-core.c to cx88-cards.c 2007-10-09 22:05:16 -03:00
Kconfig V4L/DVB (5780): Dvb: Remove static dependencies on dvb-pll 2007-07-18 14:24:16 -03:00
Makefile