From: Kuninori Morimoto <kuninori.morimoto.gx@xxxxxxxxxxx>
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@xxxxxxxxxxx>
Tested-by: Gaku Inami <gaku.inami.xw@xxxxxxxxxxxxxx>
---
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));
--
2.7.4
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