diff options
| author | Mauro Carvalho Chehab <mchehab@redhat.com> | 2013-04-10 11:51:45 (GMT) |
|---|---|---|
| committer | Mauro Carvalho Chehab <mchehab@redhat.com> | 2013-04-17 00:28:31 (GMT) |
| commit | 84ddc33c20cd026871eb3585ed77badacb0fc113 (patch) | |
| tree | f78d7318d293b137bb36fa2e2f97eb82193a4a75 /drivers/media/tuners/r820t.c | |
| parent | 6b8c2308761029868f36d9037377806c63cf06e9 (diff) | |
| download | linux-84ddc33c20cd026871eb3585ed77badacb0fc113.tar.xz | |
[media] r820t: add support for diplexer
This is part of the original driver, and adding it doesn't hurt,
so add it, to better sync the code.
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
Tested-by: Antti Palosaari <crope@iki.fi>
Diffstat (limited to 'drivers/media/tuners/r820t.c')
| -rw-r--r-- | drivers/media/tuners/r820t.c | 12 |
1 files changed, 12 insertions, 0 deletions
diff --git a/drivers/media/tuners/r820t.c b/drivers/media/tuners/r820t.c index bb154449..5be4635 100644 --- a/drivers/media/tuners/r820t.c +++ b/drivers/media/tuners/r820t.c @@ -101,6 +101,7 @@ struct r820t_freq_range { }; #define VCO_POWER_REF 0x02 +#define DIP_FREQ 32000000 /* * Static constants @@ -751,6 +752,17 @@ static int r820t_sysfreq_sel(struct r820t_priv *priv, u32 freq, break; } + if (priv->cfg->use_diplexer && + ((priv->cfg->rafael_chip == CHIP_R820T) || + (priv->cfg->rafael_chip == CHIP_R828S) || + (priv->cfg->rafael_chip == CHIP_R820C))) { + if (freq > DIP_FREQ) + air_cable1_in = 0x00; + else + air_cable1_in = 0x60; + cable2_in = 0x00; + } + rc = r820t_write_reg_mask(priv, 0x1d, lna_top, 0xc7); if (rc < 0) return rc; |