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Diffstat (limited to 'sound/soc/sh/rcar/adg.c')
-rw-r--r--sound/soc/sh/rcar/adg.c53
1 files changed, 27 insertions, 26 deletions
diff --git a/sound/soc/sh/rcar/adg.c b/sound/soc/sh/rcar/adg.c
index 4a72fd74ddc2..197cb3ec075f 100644
--- a/sound/soc/sh/rcar/adg.c
+++ b/sound/soc/sh/rcar/adg.c
@@ -308,23 +308,12 @@ static void rsnd_adg_set_ssi_clk(struct rsnd_mod *ssi_mod, u32 val)
}
}
-int rsnd_adg_ssi_clk_stop(struct rsnd_mod *ssi_mod)
-{
- rsnd_adg_set_ssi_clk(ssi_mod, 0);
-
- return 0;
-}
-
-int rsnd_adg_ssi_clk_try_start(struct rsnd_mod *ssi_mod, unsigned int rate)
+int rsnd_adg_clk_query(struct rsnd_priv *priv, 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,
@@ -338,30 +327,42 @@ int rsnd_adg_ssi_clk_try_start(struct rsnd_mod *ssi_mod, unsigned int rate)
* find suitable clock from
* AUDIO_CLKA/AUDIO_CLKB/AUDIO_CLKC/AUDIO_CLKI.
*/
- data = 0;
for_each_rsnd_clk(clk, adg, i) {
- if (rate == clk_get_rate(clk)) {
- data = sel_table[i];
- goto found_clock;
- }
+ if (rate == clk_get_rate(clk))
+ return sel_table[i];
}
/*
* find divided clock from BRGA/BRGB
*/
- if (rate == adg->rbga_rate_for_441khz) {
- data = 0x10;
- goto found_clock;
- }
+ if (rate == adg->rbga_rate_for_441khz)
+ return 0x10;
- if (rate == adg->rbgb_rate_for_48khz) {
- data = 0x20;
- goto found_clock;
- }
+ if (rate == adg->rbgb_rate_for_48khz)
+ return 0x20;
return -EIO;
+}
+
+int rsnd_adg_ssi_clk_stop(struct rsnd_mod *ssi_mod)
+{
+ rsnd_adg_set_ssi_clk(ssi_mod, 0);
+
+ return 0;
+}
+
+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);
+ int data;
+ u32 ckr = 0;
-found_clock:
+ data = rsnd_adg_clk_query(priv, rate);
+ if (data < 0)
+ return data;
rsnd_adg_set_ssi_clk(ssi_mod, data);