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authorKuninori Morimoto <kuninori.morimoto.gx@renesas.com>2016-02-15 06:26:51 +0100
committerMark Brown <broonie@kernel.org>2016-03-02 04:59:17 +0100
commitb3fc95ad025683180628f6896d1f82d2cf5d0266 (patch)
treefd68f8f5555a01296bc1c72a2c6107514dd6567b /sound/soc
parentMerge branch 'topic/update-bits' of git://git.kernel.org/pub/scm/linux/kernel... (diff)
downloadlinux-b3fc95ad025683180628f6896d1f82d2cf5d0266.tar.xz
linux-b3fc95ad025683180628f6896d1f82d2cf5d0266.zip
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>
Diffstat (limited to 'sound/soc')
-rw-r--r--sound/soc/sh/rcar/gen.c21
-rw-r--r--sound/soc/sh/rcar/rsnd.h2
2 files changed, 2 insertions, 21 deletions
diff --git a/sound/soc/sh/rcar/gen.c b/sound/soc/sh/rcar/gen.c
index 271d29adac68..46c0ba7b6414 100644
--- a/sound/soc/sh/rcar/gen.c
+++ b/sound/soc/sh/rcar/gen.c
@@ -104,23 +104,6 @@ void rsnd_write(struct rsnd_priv *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;
-
regmap_fields_force_write(gen->regs[reg], rsnd_mod_id(mod), data);
dev_dbg(dev, "w %s[%d] - %-18s (%4d) : %08x\n",
@@ -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),
diff --git a/sound/soc/sh/rcar/rsnd.h b/sound/soc/sh/rcar/rsnd.h
index 5f613eb42614..305cc086a0bc 100644
--- a/sound/soc/sh/rcar/rsnd.h
+++ b/sound/soc/sh/rcar/rsnd.h
@@ -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)