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ASoC: rsnd: Fixup SRCm_IFSVR calculate method
author
Hiroyuki Yokoyama
<hiroyuki.yokoyama.vx@renesas.com>
Mon, 25 Jul 2016 01:52:43 +0000
(
01:52
+0000)
committer
Mark Brown
<broonie@kernel.org>
Wed, 27 Jul 2016 19:12:30 +0000
(20:12 +0100)
This patch fixes the calculation accuracy degradation of SRCm_IFSVR
register value.
Signed-off-by: Hiroyuki Yokoyama <hiroyuki.yokoyama.vx@renesas.com>
Signed-off-by: Kuninori Morimoto <kuninori.morimoto.gx@renesas.com>
Signed-off-by: Mark Brown <broonie@kernel.org>
sound/soc/sh/rcar/src.c
patch
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diff --git
a/sound/soc/sh/rcar/src.c
b/sound/soc/sh/rcar/src.c
index
e39f916
..
969a516
100644
(file)
--- a/
sound/soc/sh/rcar/src.c
+++ b/
sound/soc/sh/rcar/src.c
@@
-226,8
+226,12
@@
static void rsnd_src_set_convert_rate(struct rsnd_dai_stream *io,
ifscr = 0;
fsrate = 0;
if (fin != fout) {
ifscr = 0;
fsrate = 0;
if (fin != fout) {
+ u64 n;
+
ifscr = 1;
ifscr = 1;
- fsrate = 0x0400000 / fout * fin;
+ n = (u64)0x0400000 * fin;
+ do_div(n, fout);
+ fsrate = n;
}
/*
}
/*