From 06af15d1b6f45c60358feab88004472e5428f01c Mon Sep 17 00:00:00 2001 From: Malcolm Priestley Date: Tue, 24 Dec 2013 13:17:12 -0300 Subject: [media] m88rs2000: add m88rs2000_set_carrieroffset Set the carrier offset correctly using the default mclk values. Add function m88rs2000_get_mclk to calculate the mclk value against crystal frequency which will later be used for other functions. Add function m88rs2000_set_carrieroffset to calculate and set the offset value. variable offset becomes a signed value. Register 0x86 is set the appropriate value according to remainder value of frequency % 192857 calculation as shown. Signed-off-by: Malcolm Priestley Cc: stable@vger.kernel.org # v3.9+ Signed-off-by: Mauro Carvalho Chehab --- drivers/media/dvb-frontends/m88rs2000.h | 2 ++ 1 file changed, 2 insertions(+) (limited to 'drivers/media/dvb-frontends/m88rs2000.h') diff --git a/drivers/media/dvb-frontends/m88rs2000.h b/drivers/media/dvb-frontends/m88rs2000.h index 14ce31e76ae6..0a50ea90736b 100644 --- a/drivers/media/dvb-frontends/m88rs2000.h +++ b/drivers/media/dvb-frontends/m88rs2000.h @@ -53,6 +53,8 @@ static inline struct dvb_frontend *m88rs2000_attach( } #endif /* CONFIG_DVB_M88RS2000 */ +#define RS2000_FE_CRYSTAL_KHZ 27000 + enum { DEMOD_WRITE = 0x1, WRITE_DELAY = 0x10, -- cgit