diff options
| author | Kuninori Morimoto <kuninori.morimoto.gx@renesas.com> | 2016-03-07 06:09:14 +0100 |
|---|---|---|
| committer | Mark Brown <broonie@kernel.org> | 2016-03-07 08:41:54 +0100 |
| commit | 0102eed57c47371023c03b3b0c564f33d5e94570 (patch) | |
| tree | c8c20d2ae4dfda733c23003ea1d3c1d2d7732d6c /sound/soc/sh/rcar/src.c | |
| parent | ASoC: rsnd: add rsnd_src_get_in/out_rate() (diff) | |
| download | linux-0102eed57c47371023c03b3b0c564f33d5e94570.tar.xz linux-0102eed57c47371023c03b3b0c564f33d5e94570.zip | |
ASoC: rsnd: SRC TIMSEL support for Capture
SRC has Sync/Async mode, and it can't use Sync mode when Capture
with CMD. In Async mode, it needs to care about in/out SRC rate
for settings, but current driver supporting Playback case only.
This patch supports Capture case.
Signed-off-by: Kuninori Morimoto <kuninori.morimoto.gx@renesas.com>
Signed-off-by: Mark Brown <broonie@kernel.org>
Diffstat (limited to 'sound/soc/sh/rcar/src.c')
| -rw-r--r-- | sound/soc/sh/rcar/src.c | 26 |
1 files changed, 12 insertions, 14 deletions
diff --git a/sound/soc/sh/rcar/src.c b/sound/soc/sh/rcar/src.c index d1a8741cc446..15d6ffe8be74 100644 --- a/sound/soc/sh/rcar/src.c +++ b/sound/soc/sh/rcar/src.c @@ -189,7 +189,7 @@ static void rsnd_src_set_convert_rate(struct rsnd_dai_stream *io, struct rsnd_priv *priv = rsnd_mod_to_priv(mod); struct device *dev = rsnd_priv_to_dev(priv); struct snd_pcm_runtime *runtime = rsnd_io_to_runtime(io); - u32 convert_rate = rsnd_src_convert_rate(io, mod); + u32 fin, fout; u32 ifscr, fsrate, adinr; u32 cr, route; u32 bsdsr, bsisr; @@ -198,13 +198,16 @@ static void rsnd_src_set_convert_rate(struct rsnd_dai_stream *io, if (!runtime) return; + fin = rsnd_src_get_in_rate(priv, io); + fout = rsnd_src_get_out_rate(priv, io); + /* 6 - 1/6 are very enough ratio for SRC_BSDSR */ - if (!convert_rate) + if (fin == fout) ratio = 0; - else if (convert_rate > runtime->rate) - ratio = 100 * convert_rate / runtime->rate; + else if (fin > fout) + ratio = 100 * fin / fout; else - ratio = 100 * runtime->rate / convert_rate; + ratio = 100 * fout / fin; if (ratio > 600) { dev_err(dev, "FSO/FSI ratio error\n"); @@ -222,9 +225,9 @@ static void rsnd_src_set_convert_rate(struct rsnd_dai_stream *io, */ ifscr = 0; fsrate = 0; - if (convert_rate) { + if (fin != fout) { ifscr = 1; - fsrate = 0x0400000 / convert_rate * runtime->rate; + fsrate = 0x0400000 / fout * fin; } /* @@ -232,7 +235,7 @@ static void rsnd_src_set_convert_rate(struct rsnd_dai_stream *io, */ cr = 0x00011110; route = 0x0; - if (convert_rate) { + if (fin != fout) { route = 0x1; if (rsnd_src_sync_is_enabled(mod)) { @@ -274,12 +277,7 @@ static void rsnd_src_set_convert_rate(struct rsnd_dai_stream *io, rsnd_mod_write(mod, SRC_O_BUSIF_MODE, 1); rsnd_mod_write(mod, SRC_BUSIF_DALIGN, rsnd_get_dalign(mod, io)); - if (convert_rate) - rsnd_adg_set_convert_clk_gen2(mod, io, - runtime->rate, - convert_rate); - else - rsnd_adg_set_convert_timing_gen2(mod, io); + rsnd_adg_set_src_timesel_gen2(mod, io, fin, fout); } static int rsnd_src_irq(struct rsnd_mod *mod, |