From ef13261cb5543a18ccc36046ecbf211cdcf0091f Mon Sep 17 00:00:00 2001 From: Kuninori Morimoto Date: Tue, 11 Feb 2014 21:04:12 -0800 Subject: [PATCH] ASoC: rsnd: set DIV_EN register on rsnd_adg_set_convert_clk_gen2() DIV_EN register enable bit is required when you use Gen2 SRC Signed-off-by: Kuninori Morimoto Signed-off-by: Mark Brown (cherry picked from commit ee2c828d21b2381c813df257235d3c635269e435) Signed-off-by: Simon Horman --- sound/soc/sh/rcar/adg.c | 16 +++++++++++++--- sound/soc/sh/rcar/gen.c | 1 + sound/soc/sh/rcar/rsnd.h | 1 + 3 files changed, 15 insertions(+), 3 deletions(-) diff --git a/sound/soc/sh/rcar/adg.c b/sound/soc/sh/rcar/adg.c index bc8961c5..af9e440 100644 --- a/sound/soc/sh/rcar/adg.c +++ b/sound/soc/sh/rcar/adg.c @@ -111,8 +111,8 @@ int rsnd_adg_set_convert_clk_gen2(struct rsnd_mod *mod, struct rsnd_priv *priv = rsnd_mod_to_priv(mod); struct rsnd_adg *adg = rsnd_priv_to_adg(priv); struct device *dev = rsnd_priv_to_dev(priv); - int idx, sel, div, step; - u32 val; + int idx, sel, div, step, ret; + u32 val, en; unsigned int min, diff; unsigned int sel_rate [] = { clk_get_rate(adg->clk[CLKA]), /* 0000: CLKA */ @@ -124,6 +124,7 @@ int rsnd_adg_set_convert_clk_gen2(struct rsnd_mod *mod, min = ~0; val = 0; + en = 0; for (sel = 0; sel < ARRAY_SIZE(sel_rate); sel++) { idx = 0; step = 2; @@ -136,6 +137,7 @@ int rsnd_adg_set_convert_clk_gen2(struct rsnd_mod *mod, if (min > diff) { val = (sel << 8) | idx; min = diff; + en = 1 << (sel + 1); /* fixme */ } /* @@ -157,7 +159,15 @@ int rsnd_adg_set_convert_clk_gen2(struct rsnd_mod *mod, return -EIO; } - return rsnd_adg_set_src_timsel_gen2(rdai, mod, io, val); + ret = rsnd_adg_set_src_timsel_gen2(rdai, mod, io, val); + if (ret < 0) { + dev_err(dev, "timsel error\n"); + return ret; + } + + rsnd_mod_bset(mod, DIV_EN, en, en); + + return 0; } int rsnd_adg_set_convert_timing_gen2(struct rsnd_mod *mod, diff --git a/sound/soc/sh/rcar/gen.c b/sound/soc/sh/rcar/gen.c index 3e03a8b..0a43b90 100644 --- a/sound/soc/sh/rcar/gen.c +++ b/sound/soc/sh/rcar/gen.c @@ -253,6 +253,7 @@ static int rsnd_gen2_regmap_init(struct rsnd_priv *priv, struct rsnd_gen *gen) RSND_GEN2_S_REG(gen, ADG, AUDIO_CLK_SEL0, 0x0c), RSND_GEN2_S_REG(gen, ADG, AUDIO_CLK_SEL1, 0x10), RSND_GEN2_S_REG(gen, ADG, AUDIO_CLK_SEL2, 0x14), + RSND_GEN2_S_REG(gen, ADG, DIV_EN, 0x30), RSND_GEN2_S_REG(gen, ADG, SRCIN_TIMSEL0, 0x34), RSND_GEN2_S_REG(gen, ADG, SRCIN_TIMSEL1, 0x38), RSND_GEN2_S_REG(gen, ADG, SRCIN_TIMSEL2, 0x3c), diff --git a/sound/soc/sh/rcar/rsnd.h b/sound/soc/sh/rcar/rsnd.h index 9e4efb4..d409390 100644 --- a/sound/soc/sh/rcar/rsnd.h +++ b/sound/soc/sh/rcar/rsnd.h @@ -67,6 +67,7 @@ enum rsnd_reg { RSND_REG_AUDIO_CLK_SEL3, /* for Gen1 */ RSND_REG_AUDIO_CLK_SEL4, /* for Gen1 */ RSND_REG_AUDIO_CLK_SEL5, /* for Gen1 */ + RSND_REG_DIV_EN, /* for Gen2 */ RSND_REG_SRCIN_TIMSEL0, /* for Gen2 */ RSND_REG_SRCIN_TIMSEL1, /* for Gen2 */ RSND_REG_SRCIN_TIMSEL2, /* for Gen2 */ -- 2.7.4