diff options
| -rw-r--r-- | sound/soc/renesas/rcar/adg.c | 13 |
1 files changed, 10 insertions, 3 deletions
diff --git a/sound/soc/renesas/rcar/adg.c b/sound/soc/renesas/rcar/adg.c index 191f212d338c..e6b7273b27ad 100644 --- a/sound/soc/renesas/rcar/adg.c +++ b/sound/soc/renesas/rcar/adg.c @@ -19,6 +19,7 @@ #define CLKOUT3 3 #define CLKOUTMAX 4 +#define BRGCKR_31 (1 << 31) #define BRRx_MASK(x) (0x3FF & x) static struct rsnd_mod_ops adg_ops = { @@ -361,10 +362,13 @@ int rsnd_adg_ssi_clk_try_start(struct rsnd_mod *ssi_mod, unsigned int rate) rsnd_adg_set_ssi_clk(ssi_mod, data); + ckr = adg->ckr & ~BRGCKR_31; if (0 == (rate % 8000)) - ckr = 0x80000000; /* BRGB output = 48kHz */ - - rsnd_mod_bset(adg_mod, BRGCKR, 0x80770000, adg->ckr | ckr); + ckr |= BRGCKR_31; /* use BRGB output = 48kHz */ + if (ckr != adg->ckr) { + rsnd_mod_bset(adg_mod, BRGCKR, 0x80770000, adg->ckr); + adg->ckr = ckr; + } dev_dbg(dev, "CLKOUT is based on BRG%c (= %dHz)\n", (ckr) ? 'B' : 'A', @@ -683,6 +687,9 @@ static int rsnd_adg_get_clkout(struct rsnd_priv *priv) } rsnd_adg_get_clkout_end: + if (0 == (req_rate[0] % 8000)) + ckr |= BRGCKR_31; /* use BRGB output = 48kHz */ + adg->ckr = ckr; adg->brga = brga; adg->brgb = brgb; |