diff options
| author | Kuninori Morimoto <kuninori.morimoto.gx@renesas.com> | 2016-12-07 03:28:11 +0300 |
|---|---|---|
| committer | Mark Brown <broonie@kernel.org> | 2016-12-07 18:47:45 +0300 |
| commit | b99258a3151a70da9b4125f940c4dcc091df84c1 (patch) | |
| tree | 25de504c141b678961f5df87176c5d96c3431249 /sound/soc/sh | |
| parent | c2d3171847611e8a33d3e10a9942f6c065d05c1f (diff) | |
| download | linux-b99258a3151a70da9b4125f940c4dcc091df84c1.tar.xz | |
ASoC: rsnd: setup BRGCKR/BRRA/BRRB when starting
Current rsnd driver setups BRGCKR/BRRA/BRRB when .probe timing.
But it breaks sound after Suspend/Resume. These should be setups
every start timing.
This patch is tested on R-Car Gen3 Salvator-X board
Signed-off-by: Kuninori Morimoto <kuninori.morimoto.gx@renesas.com>
Tested-by: Gaku Inami <gaku.inami.xw@bp.renesas.com>
Signed-off-by: Mark Brown <broonie@kernel.org>
Diffstat (limited to 'sound/soc/sh')
| -rw-r--r-- | sound/soc/sh/rcar/adg.c | 21 |
1 files changed, 12 insertions, 9 deletions
diff --git a/sound/soc/sh/rcar/adg.c b/sound/soc/sh/rcar/adg.c index 54b28fd502ef..85a33ac0a5c4 100644 --- a/sound/soc/sh/rcar/adg.c +++ b/sound/soc/sh/rcar/adg.c @@ -34,6 +34,9 @@ struct rsnd_adg { struct clk_onecell_data onecell; struct rsnd_mod mod; u32 flags; + u32 ckr; + u32 rbga; + u32 rbgb; int rbga_rate_for_441khz; /* RBGA */ int rbgb_rate_for_48khz; /* RBGB */ @@ -316,9 +319,11 @@ int rsnd_adg_ssi_clk_try_start(struct rsnd_mod *ssi_mod, unsigned int rate) struct rsnd_priv *priv = rsnd_mod_to_priv(ssi_mod); struct rsnd_adg *adg = rsnd_priv_to_adg(priv); struct device *dev = rsnd_priv_to_dev(priv); + struct rsnd_mod *adg_mod = rsnd_mod_get(adg); struct clk *clk; int i; u32 data; + u32 ckr = 0; int sel_table[] = { [CLKA] = 0x1, [CLKB] = 0x2, @@ -360,15 +365,14 @@ found_clock: rsnd_adg_set_ssi_clk(ssi_mod, data); if (!(adg_mode_flags(adg) & LRCLK_ASYNC)) { - struct rsnd_mod *adg_mod = rsnd_mod_get(adg); - u32 ckr = 0; - if (0 == (rate % 8000)) ckr = 0x80000000; - - rsnd_mod_bset(adg_mod, BRGCKR, 0x80000000, ckr); } + rsnd_mod_bset(adg_mod, BRGCKR, 0x80FF0000, adg->ckr | ckr); + rsnd_mod_write(adg_mod, BRRA, adg->rbga); + rsnd_mod_write(adg_mod, BRRB, adg->rbgb); + dev_dbg(dev, "ADG: %s[%d] selects 0x%x for %d\n", rsnd_mod_name(ssi_mod), rsnd_mod_id(ssi_mod), data, rate); @@ -421,7 +425,6 @@ static void rsnd_adg_get_clkout(struct rsnd_priv *priv, struct rsnd_adg *adg) { struct clk *clk; - struct rsnd_mod *adg_mod = rsnd_mod_get(adg); struct device *dev = rsnd_priv_to_dev(priv); struct device_node *np = dev->of_node; u32 ckr, rbgx, rbga, rbgb; @@ -546,9 +549,9 @@ static void rsnd_adg_get_clkout(struct rsnd_priv *priv, } } - rsnd_mod_bset(adg_mod, BRGCKR, 0x80FF0000, ckr); - rsnd_mod_write(adg_mod, BRRA, rbga); - rsnd_mod_write(adg_mod, BRRB, rbgb); + adg->ckr = ckr; + adg->rbga = rbga; + adg->rbgb = rbgb; for_each_rsnd_clkout(clk, adg, i) dev_dbg(dev, "clkout %d : %p : %ld\n", i, clk, clk_get_rate(clk)); |