diff options
| author | Trent Piepho <xyzzy@speakeasy.org> | 2009-06-12 02:31:22 +0400 |
|---|---|---|
| committer | Mauro Carvalho Chehab <mchehab@redhat.com> | 2009-09-12 19:17:51 +0400 |
| commit | 6d67c9717bb71fd23a1f87c464df3ac886759cd0 (patch) | |
| tree | a70c954d44fcaff0316041867fa71c27d7f048ff /drivers/media/dvb | |
| parent | d799ce570871bcb3f035e753a5bb3814f9530681 (diff) | |
| download | linux-6d67c9717bb71fd23a1f87c464df3ac886759cd0.tar.xz | |
V4L/DVB (12292): b2c2: Use dvb-pll for AirStar DVB-T's tuner
The code in samsung_tdtc9251dh0_calc_regs() is equivalent to what dvb-pll's
code does.
Signed-off-by: Trent Piepho <xyzzy@speakeasy.org>
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
Diffstat (limited to 'drivers/media/dvb')
| -rw-r--r-- | drivers/media/dvb/b2c2/flexcop-fe-tuner.c | 38 |
1 files changed, 6 insertions, 32 deletions
diff --git a/drivers/media/dvb/b2c2/flexcop-fe-tuner.c b/drivers/media/dvb/b2c2/flexcop-fe-tuner.c index d5e414944a0e..c35661a5ab27 100644 --- a/drivers/media/dvb/b2c2/flexcop-fe-tuner.c +++ b/drivers/media/dvb/b2c2/flexcop-fe-tuner.c @@ -449,7 +449,7 @@ static int skystar2_rev28_attach(struct flexcop_device *fc, #endif /* AirStar DVB-T */ -#if FE_SUPPORTED(MT352) +#if FE_SUPPORTED(MT352) && FE_SUPPORTED(PLL) static int samsung_tdtc9251dh0_demod_init(struct dvb_frontend *fe) { static u8 mt352_clock_config[] = { 0x89, 0x18, 0x2d }; @@ -467,32 +467,6 @@ static int samsung_tdtc9251dh0_demod_init(struct dvb_frontend *fe) return 0; } -static int samsung_tdtc9251dh0_calc_regs(struct dvb_frontend *fe, - struct dvb_frontend_parameters *params, u8* pllbuf, int buf_len) -{ - u32 div; - unsigned char bs = 0; - - if (buf_len < 5) - return -EINVAL; - -#define IF_FREQUENCYx6 217 /* 6 * 36.16666666667MHz */ - div = (((params->frequency + 83333) * 3) / 500000) + IF_FREQUENCYx6; - if (params->frequency >= 48000000 && params->frequency <= 154000000) \ - bs = 0x09; - if (params->frequency >= 161000000 && params->frequency <= 439000000) \ - bs = 0x0a; - if (params->frequency >= 447000000 && params->frequency <= 863000000) \ - bs = 0x08; - - pllbuf[0] = 0x61; - pllbuf[1] = div >> 8; - pllbuf[2] = div & 0xff; - pllbuf[3] = 0xcc; - pllbuf[4] = bs; - return 5; -} - static struct mt352_config samsung_tdtc9251dh0_config = { .demod_address = 0x0f, .demod_init = samsung_tdtc9251dh0_demod_init, @@ -502,11 +476,11 @@ static int airstar_dvbt_attach(struct flexcop_device *fc, struct i2c_adapter *i2c) { fc->fe = dvb_attach(mt352_attach, &samsung_tdtc9251dh0_config, i2c); - if (fc->fe != NULL) { - fc->fe->ops.tuner_ops.calc_regs = samsung_tdtc9251dh0_calc_regs; - return 1; - } - return 0; + if (!fc->fe) + return 0; + + return !!dvb_attach(dvb_pll_attach, fc->fe, 0x61, NULL, + DVB_PLL_SAMSUNG_TDTC9251DH0); } #else #define airstar_dvbt_attach NULL |