diff options
| author | Nuno Sá <nuno.sa@analog.com> | 2019-08-05 15:37:16 +0200 |
|---|---|---|
| committer | Jonathan Cameron <Jonathan.Cameron@huawei.com> | 2019-08-05 17:38:33 +0100 |
| commit | 82a5008a341d301da3ab529ca888c64f529bd075 (patch) | |
| tree | 6ec73f4da65092052860eee94874661c3094e733 /drivers/iio | |
| parent | 09f6109ff4f8003af3370dfee0f73fcf6d20087a (diff) | |
| download | linux-82a5008a341d301da3ab529ca888c64f529bd075.tar.bz2 | |
iio: frequency: adf4371: Fix output frequency setting
The fract1 word was not being properly programmed on the device leading
to wrong output frequencies.
Fixes: 7f699bd14913 (iio: frequency: adf4371: Add support for ADF4371 PLL)
Signed-off-by: Nuno Sá <nuno.sa@analog.com>
Reviewed-by: Stefan Popa <stefan.popa@analog.com>
Cc: <Stable@vger.kernel.org>
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
Diffstat (limited to 'drivers/iio')
| -rw-r--r-- | drivers/iio/frequency/adf4371.c | 8 |
1 files changed, 4 insertions, 4 deletions
diff --git a/drivers/iio/frequency/adf4371.c b/drivers/iio/frequency/adf4371.c index e48f15cc9ab5..ff82863cbf42 100644 --- a/drivers/iio/frequency/adf4371.c +++ b/drivers/iio/frequency/adf4371.c @@ -276,11 +276,11 @@ static int adf4371_set_freq(struct adf4371_state *st, unsigned long long freq, st->buf[0] = st->integer >> 8; st->buf[1] = 0x40; /* REG12 default */ st->buf[2] = 0x00; - st->buf[3] = st->fract2 & 0xFF; - st->buf[4] = st->fract2 >> 7; - st->buf[5] = st->fract2 >> 15; + st->buf[3] = st->fract1 & 0xFF; + st->buf[4] = st->fract1 >> 8; + st->buf[5] = st->fract1 >> 16; st->buf[6] = ADF4371_FRAC2WORD_L(st->fract2 & 0x7F) | - ADF4371_FRAC1WORD(st->fract1 >> 23); + ADF4371_FRAC1WORD(st->fract1 >> 24); st->buf[7] = ADF4371_FRAC2WORD_H(st->fract2 >> 7); st->buf[8] = st->mod2 & 0xFF; st->buf[9] = ADF4371_MOD2WORD(st->mod2 >> 8); |