From: Kuninori Morimoto kuninori.morimoto.gx@renesas.com
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 --- sound/soc/sh/rcar/adg.c | 21 ++++++++++++--------- 1 file changed, 12 insertions(+), 9 deletions(-)
diff --git a/sound/soc/sh/rcar/adg.c b/sound/soc/sh/rcar/adg.c index 545377d..f1068170 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 @@ int rsnd_adg_ssi_clk_try_start(struct rsnd_mod *ssi_mod, unsigned int rate) 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); @@ -407,7 +411,6 @@ 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; @@ -532,9 +535,9 @@ 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));