diff --git a/sound/soc/codecs/arizona.c b/sound/soc/codecs/arizona.c index 10be50ae2f76044e9b8c1fecce66dd62591bdae1..7f7d4b31a7fd5525563de74d5e9f51569dd1ae88 100644 --- a/sound/soc/codecs/arizona.c +++ b/sound/soc/codecs/arizona.c @@ -2282,6 +2282,42 @@ static int arizona_is_enabled_fll(struct arizona_fll *fll, int base) return reg & ARIZONA_FLL1_ENA; } +static int arizona_set_fll_clks(struct arizona_fll *fll, int base, bool ena) +{ + struct arizona *arizona = fll->arizona; + unsigned int val; + struct clk *clk; + int ret; + + ret = regmap_read(arizona->regmap, base + 6, &val); + if (ret != 0) { + arizona_fll_err(fll, "Failed to read current source: %d\n", + ret); + return ret; + } + + val &= ARIZONA_FLL1_CLK_REF_SRC_MASK; + val >>= ARIZONA_FLL1_CLK_REF_SRC_SHIFT; + + switch (val) { + case ARIZONA_FLL_SRC_MCLK1: + clk = arizona->mclk[ARIZONA_MCLK1]; + break; + case ARIZONA_FLL_SRC_MCLK2: + clk = arizona->mclk[ARIZONA_MCLK2]; + break; + default: + return 0; + } + + if (ena) { + return clk_prepare_enable(clk); + } else { + clk_disable_unprepare(clk); + return 0; + } +} + static int arizona_enable_fll(struct arizona_fll *fll) { struct arizona *arizona = fll->arizona; @@ -2304,6 +2340,10 @@ static int arizona_enable_fll(struct arizona_fll *fll) udelay(32); regmap_update_bits_async(fll->arizona->regmap, fll->base + 0x9, ARIZONA_FLL1_GAIN_MASK, 0); + + if (arizona_is_enabled_fll(fll, fll->base + 0x10) > 0) + arizona_set_fll_clks(fll, fll->base + 0x10, false); + arizona_set_fll_clks(fll, fll->base, false); } /* @@ -2358,10 +2398,13 @@ static int arizona_enable_fll(struct arizona_fll *fll) if (!already_enabled) pm_runtime_get_sync(arizona->dev); - if (use_sync) + if (use_sync) { + arizona_set_fll_clks(fll, fll->base + 0x10, true); regmap_update_bits_async(arizona->regmap, fll->base + 0x11, ARIZONA_FLL1_SYNC_ENA, ARIZONA_FLL1_SYNC_ENA); + } + arizona_set_fll_clks(fll, fll->base, true); regmap_update_bits_async(arizona->regmap, fll->base + 1, ARIZONA_FLL1_ENA, ARIZONA_FLL1_ENA); @@ -2394,19 +2437,24 @@ static int arizona_enable_fll(struct arizona_fll *fll) static void arizona_disable_fll(struct arizona_fll *fll) { struct arizona *arizona = fll->arizona; - bool change; + bool ref_change, sync_change; regmap_update_bits_async(arizona->regmap, fll->base + 1, ARIZONA_FLL1_FREERUN, ARIZONA_FLL1_FREERUN); regmap_update_bits_check(arizona->regmap, fll->base + 1, - ARIZONA_FLL1_ENA, 0, &change); - regmap_update_bits(arizona->regmap, fll->base + 0x11, - ARIZONA_FLL1_SYNC_ENA, 0); + ARIZONA_FLL1_ENA, 0, &ref_change); + regmap_update_bits_check(arizona->regmap, fll->base + 0x11, + ARIZONA_FLL1_SYNC_ENA, 0, &sync_change); regmap_update_bits_async(arizona->regmap, fll->base + 1, ARIZONA_FLL1_FREERUN, 0); - if (change) + if (sync_change) + arizona_set_fll_clks(fll, fll->base + 0x10, false); + + if (ref_change) { + arizona_set_fll_clks(fll, fll->base, false); pm_runtime_put_autosuspend(arizona->dev); + } } int arizona_set_fll_refclk(struct arizona_fll *fll, int source,