iv/linux
1
0
Fork 0
Code Issues Pull Requests Actions Packages Projects Releases Wiki Activity

iio: frequency: adf4371: Fix output frequency setting

Browse Source 
The fract1 word was not being properly programmed on the device leading
to wrong output frequencies.

Fixes: 7f699bd149 (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>
This commit is contained in:
Nuno Sá 2019-08-05 15:37:16 +02:00 committed by Jonathan Cameron
parent 09f6109ff4
commit 82a5008a34
1 changed files with 4 additions and 4 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

8
drivers/iio/frequency/adf4371.c
View File

@ -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);