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| author | Greg KH <gregkh@suse.de> | 2005-09-12 23:45:04 +0400 |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@suse.de> | 2005-09-12 23:45:04 +0400 |
| commit | d58dde0f552a5c5c4485b962d8b6e9dd54fefb30 (patch) | |
| tree | d9a7e35eb88fea6265d5aadcc3d4ed39122b052a /drivers/media/dvb/frontends/mt352.c | |
| parent | 877599fdef5ea4a7dd1956e22fa9d6923add97f8 (diff) | |
| parent | 2ade81473636b33aaac64495f89a7dc572c529f0 (diff) | |
| download | linux-d58dde0f552a5c5c4485b962d8b6e9dd54fefb30.tar.xz | |
Merge ../torvalds-2.6/
Diffstat (limited to 'drivers/media/dvb/frontends/mt352.c')
| -rw-r--r-- | drivers/media/dvb/frontends/mt352.c | 6 |
1 files changed, 4 insertions, 2 deletions
diff --git a/drivers/media/dvb/frontends/mt352.c b/drivers/media/dvb/frontends/mt352.c index d32dc4de9e7f..cc1bc0edd65e 100644 --- a/drivers/media/dvb/frontends/mt352.c +++ b/drivers/media/dvb/frontends/mt352.c @@ -462,9 +462,11 @@ static int mt352_read_signal_strength(struct dvb_frontend* fe, u16* strength) { struct mt352_state* state = fe->demodulator_priv; - u16 signal = ((mt352_read_register(state, AGC_GAIN_1) << 8) & 0x0f) | - (mt352_read_register(state, AGC_GAIN_0)); + /* align the 12 bit AGC gain with the most significant bits */ + u16 signal = ((mt352_read_register(state, AGC_GAIN_1) & 0x0f) << 12) | + (mt352_read_register(state, AGC_GAIN_0) << 4); + /* inverse of gain is signal strength */ *strength = ~signal; return 0; } |