forked from Minki/linux
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>
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@ -101,23 +101,6 @@ void rsnd_write(struct rsnd_priv *priv,
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struct device *dev = rsnd_priv_to_dev(priv);
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struct rsnd_gen *gen = rsnd_priv_to_gen(priv);
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if (!rsnd_is_accessible_reg(priv, gen, reg))
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return;
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regmap_fields_write(gen->regs[reg], rsnd_mod_id(mod), data);
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dev_dbg(dev, "w %s[%d] - %-18s (%4d) : %08x\n",
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rsnd_mod_name(mod), rsnd_mod_id(mod),
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rsnd_reg_name(gen, reg), reg, data);
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}
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void rsnd_force_write(struct rsnd_priv *priv,
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struct rsnd_mod *mod,
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enum rsnd_reg reg, u32 data)
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{
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struct device *dev = rsnd_priv_to_dev(priv);
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struct rsnd_gen *gen = rsnd_priv_to_gen(priv);
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if (!rsnd_is_accessible_reg(priv, gen, reg))
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return;
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@ -137,8 +120,8 @@ void rsnd_bset(struct rsnd_priv *priv, struct rsnd_mod *mod,
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if (!rsnd_is_accessible_reg(priv, gen, reg))
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return;
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regmap_fields_update_bits(gen->regs[reg], rsnd_mod_id(mod),
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mask, data);
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regmap_fields_force_update_bits(gen->regs[reg],
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rsnd_mod_id(mod), mask, data);
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dev_dbg(dev, "b %s[%d] - %-18s (%4d) : %08x/%08x\n",
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rsnd_mod_name(mod), rsnd_mod_id(mod),
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@ -182,8 +182,6 @@ struct rsnd_dai_stream;
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rsnd_read(rsnd_mod_to_priv(m), m, RSND_REG_##r)
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#define rsnd_mod_write(m, r, d) \
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rsnd_write(rsnd_mod_to_priv(m), m, RSND_REG_##r, d)
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#define rsnd_mod_force_write(m, r, d) \
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rsnd_force_write(rsnd_mod_to_priv(m), m, RSND_REG_##r, d)
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#define rsnd_mod_bset(m, r, s, d) \
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rsnd_bset(rsnd_mod_to_priv(m), m, RSND_REG_##r, s, d)
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