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ASoC: rsnd: rsnd_write() / rsnd_bset() uses regmap _force_ function 

Some R-Car sound requests picky register access which needs *force*
register write.
Some status register needs to set 1 to clear status, but we might
read 1 from its register. In such case, current regmap does nothing
and driver will be forever loop
To reduce code complexity, this patch uses regmap _force_
function for all register access.

Signed-off-by: Kuninori Morimoto <kuninori.morimoto.gx@renesas.com>
Signed-off-by: Mark Brown <broonie@kernel.org>
This commit is contained in:
Kuninori Morimoto 2016-02-15 05:26:51 +00:00 committed by Mark Brown
parent 79e24da00b
commit b3fc95ad02
2 changed files with 2 additions and 21 deletions
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21
sound/soc/sh/rcar/gen.c
View File

@ -101,23 +101,6 @@ void rsnd_write(struct rsnd_priv *priv,
struct device *dev = rsnd_priv_to_dev(priv);
struct rsnd_gen *gen = rsnd_priv_to_gen(priv);
if (!rsnd_is_accessible_reg(priv, gen, reg))
return;
regmap_fields_write(gen->regs[reg], rsnd_mod_id(mod), data);
dev_dbg(dev, "w %s[%d] - %-18s (%4d) : %08x\n",
rsnd_mod_name(mod), rsnd_mod_id(mod),
rsnd_reg_name(gen, reg), reg, data);
}
void rsnd_force_write(struct rsnd_priv *priv,
struct rsnd_mod *mod,
enum rsnd_reg reg, u32 data)
{
struct device *dev = rsnd_priv_to_dev(priv);
struct rsnd_gen *gen = rsnd_priv_to_gen(priv);
if (!rsnd_is_accessible_reg(priv, gen, reg))
return;
@ -137,8 +120,8 @@ void rsnd_bset(struct rsnd_priv *priv, struct rsnd_mod *mod,
if (!rsnd_is_accessible_reg(priv, gen, reg))
return;
regmap_fields_update_bits(gen->regs[reg], rsnd_mod_id(mod),
mask, data);
regmap_fields_force_update_bits(gen->regs[reg],
rsnd_mod_id(mod), mask, data);
dev_dbg(dev, "b %s[%d] - %-18s (%4d) : %08x/%08x\n",
rsnd_mod_name(mod), rsnd_mod_id(mod),

2
sound/soc/sh/rcar/rsnd.h
View File

@ -182,8 +182,6 @@ struct rsnd_dai_stream;
rsnd_read(rsnd_mod_to_priv(m), m, RSND_REG_##r)
#define rsnd_mod_write(m, r, d) \
rsnd_write(rsnd_mod_to_priv(m), m, RSND_REG_##r, d)
#define rsnd_mod_force_write(m, r, d) \
rsnd_force_write(rsnd_mod_to_priv(m), m, RSND_REG_##r, d)
#define rsnd_mod_bset(m, r, s, d) \
rsnd_bset(rsnd_mod_to_priv(m), m, RSND_REG_##r, s, d)