diff options
author | Kuninori Morimoto <kuninori.morimoto.gx@renesas.com> | 2016-10-19 06:57:08 +0300 |
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committer | Mark Brown <broonie@kernel.org> | 2016-10-24 20:23:29 +0300 |
commit | 5f222a29212cac3b64e7da8657d4404cc8201595 (patch) | |
tree | ecde5e7d65f951f4604e043fbead6961bd260413 /sound/soc/sh | |
parent | b3ca3fbeb229890e8de569d1b34cd46fcb95826c (diff) | |
download | linux-5f222a29212cac3b64e7da8657d4404cc8201595.tar.xz |
ASoC: rsnd: use for_each_rsnd_mod_xxx() on rsnd_dai_call()
Current rsnd driver is using too complex macro for for-loop of each mod.
rsnd_dai_call() is especially defined as very complex macro.
It is easier to read just a little bit by using for_each_rsnd_mod_xxx()
and new rsnd_status_update()
Signed-off-by: Kuninori Morimoto <kuninori.morimoto.gx@renesas.com>
Signed-off-by: Mark Brown <broonie@kernel.org>
Diffstat (limited to 'sound/soc/sh')
-rw-r--r-- | sound/soc/sh/rcar/core.c | 83 |
1 files changed, 43 insertions, 40 deletions
diff --git a/sound/soc/sh/rcar/core.c b/sound/soc/sh/rcar/core.c index c0196f81e082..aba49b2b0103 100644 --- a/sound/soc/sh/rcar/core.c +++ b/sound/soc/sh/rcar/core.c @@ -371,33 +371,6 @@ struct rsnd_mod *rsnd_mod_next(int *iterator, return NULL; } -#define rsnd_mod_call(idx, io, func, param...) \ -({ \ - struct rsnd_priv *priv = rsnd_mod_to_priv(mod); \ - struct rsnd_mod *mod = (io)->mod[idx]; \ - struct device *dev = rsnd_priv_to_dev(priv); \ - u32 *status = mod->get_status(io, mod, idx); \ - u32 mask = 0xF << __rsnd_mod_shift_##func; \ - u8 val = (*status >> __rsnd_mod_shift_##func) & 0xF; \ - u8 add = ((val + __rsnd_mod_add_##func) & 0xF); \ - int ret = 0; \ - int call = (val == __rsnd_mod_call_##func) && (mod)->ops->func; \ - if (add == 0xF) \ - call = 0; \ - else \ - *status = (*status & ~mask) + \ - (add << __rsnd_mod_shift_##func); \ - dev_dbg(dev, "%s[%d]\t0x%08x %s\n", \ - rsnd_mod_name(mod), rsnd_mod_id(mod), \ - *status, call ? #func : ""); \ - if (call) \ - ret = (mod)->ops->func(mod, io, param); \ - if (ret) \ - dev_dbg(dev, "%s[%d] : rsnd_mod_call error %d\n", \ - rsnd_mod_name(mod), rsnd_mod_id(mod), ret); \ - ret; \ -}) - static enum rsnd_mod_type rsnd_mod_sequence[][RSND_MOD_MAX] = { { /* CAPTURE */ @@ -432,19 +405,49 @@ static enum rsnd_mod_type rsnd_mod_sequence[][RSND_MOD_MAX] = { }, }; -#define rsnd_dai_call(fn, io, param...) \ -({ \ - struct rsnd_mod *mod; \ - int type, is_play = rsnd_io_is_play(io); \ - int ret = 0, i; \ - for (i = 0; i < RSND_MOD_MAX; i++) { \ - type = rsnd_mod_sequence[is_play][i]; \ - mod = (io)->mod[type]; \ - if (!mod) \ - continue; \ - ret |= rsnd_mod_call(type, io, fn, param); \ - } \ - ret; \ +static int rsnd_status_update(u32 *status, + int shift, int add, int timing) +{ + u32 mask = 0xF << shift; + u8 val = (*status >> shift) & 0xF; + u8 next_val = (val + add) & 0xF; + int func_call = (val == timing); + + if (next_val == 0xF) /* underflow case */ + func_call = 0; + else + *status = (*status & ~mask) + (next_val << shift); + + return func_call; +} + +#define rsnd_dai_call(fn, io, param...) \ +({ \ + struct rsnd_priv *priv = rsnd_io_to_priv(io); \ + struct device *dev = rsnd_priv_to_dev(priv); \ + struct rsnd_mod *mod; \ + int is_play = rsnd_io_is_play(io); \ + int ret = 0, i; \ + enum rsnd_mod_type *types = rsnd_mod_sequence[is_play]; \ + for_each_rsnd_mod_arrays(i, mod, io, types, RSND_MOD_MAX) { \ + int tmp = 0; \ + u32 *status = mod->get_status(io, mod, types[i]); \ + int func_call = rsnd_status_update(status, \ + __rsnd_mod_shift_##fn, \ + __rsnd_mod_add_##fn, \ + __rsnd_mod_call_##fn); \ + dev_dbg(dev, "%s[%d]\t0x%08x %s\n", \ + rsnd_mod_name(mod), rsnd_mod_id(mod), *status, \ + (func_call && (mod)->ops->fn) ? #fn : ""); \ + if (func_call && (mod)->ops->fn) \ + tmp = (mod)->ops->fn(mod, io, param); \ + if (tmp) \ + dev_err(dev, "%s[%d] : %s error %d\n", \ + rsnd_mod_name(mod), rsnd_mod_id(mod), \ + #fn, tmp); \ + ret |= tmp; \ + } \ + ret; \ }) int rsnd_dai_connect(struct rsnd_mod *mod, |