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authorAndré Fabian Silva Delgado <emulatorman@parabola.nu>2015-09-23 12:33:14 -0300
committerAndré Fabian Silva Delgado <emulatorman@parabola.nu>2015-09-23 12:33:14 -0300
commita700f2d8e79ff80041078f160fe1edccf89b0c66 (patch)
tree070bc692c19c5980c081222a6f7223869b1560f3 /sound/soc/codecs/arizona.c
parentd5ad8b932c22e2790c2b27351116de96603df63a (diff)
Linux-libre 4.2.1-gnupck-4.2.1-gnu
Diffstat (limited to 'sound/soc/codecs/arizona.c')
-rw-r--r--sound/soc/codecs/arizona.c49
1 files changed, 20 insertions, 29 deletions
diff --git a/sound/soc/codecs/arizona.c b/sound/soc/codecs/arizona.c
index 802e05eae..4180827a8 100644
--- a/sound/soc/codecs/arizona.c
+++ b/sound/soc/codecs/arizona.c
@@ -1756,17 +1756,6 @@ int arizona_init_dai(struct arizona_priv *priv, int id)
}
EXPORT_SYMBOL_GPL(arizona_init_dai);
-static irqreturn_t arizona_fll_clock_ok(int irq, void *data)
-{
- struct arizona_fll *fll = data;
-
- arizona_fll_dbg(fll, "clock OK\n");
-
- complete(&fll->ok);
-
- return IRQ_HANDLED;
-}
-
static struct {
unsigned int min;
unsigned int max;
@@ -2048,17 +2037,18 @@ static int arizona_is_enabled_fll(struct arizona_fll *fll)
static int arizona_enable_fll(struct arizona_fll *fll)
{
struct arizona *arizona = fll->arizona;
- unsigned long time_left;
bool use_sync = false;
int already_enabled = arizona_is_enabled_fll(fll);
struct arizona_fll_cfg cfg;
+ int i;
+ unsigned int val;
if (already_enabled < 0)
return already_enabled;
if (already_enabled) {
/* Facilitate smooth refclk across the transition */
- regmap_update_bits_async(fll->arizona->regmap, fll->base + 0x7,
+ regmap_update_bits_async(fll->arizona->regmap, fll->base + 0x9,
ARIZONA_FLL1_GAIN_MASK, 0);
regmap_update_bits_async(fll->arizona->regmap, fll->base + 1,
ARIZONA_FLL1_FREERUN,
@@ -2110,9 +2100,6 @@ static int arizona_enable_fll(struct arizona_fll *fll)
if (!already_enabled)
pm_runtime_get(arizona->dev);
- /* Clear any pending completions */
- try_wait_for_completion(&fll->ok);
-
regmap_update_bits_async(arizona->regmap, fll->base + 1,
ARIZONA_FLL1_ENA, ARIZONA_FLL1_ENA);
if (use_sync)
@@ -2124,10 +2111,24 @@ static int arizona_enable_fll(struct arizona_fll *fll)
regmap_update_bits_async(arizona->regmap, fll->base + 1,
ARIZONA_FLL1_FREERUN, 0);
- time_left = wait_for_completion_timeout(&fll->ok,
- msecs_to_jiffies(250));
- if (time_left == 0)
+ arizona_fll_dbg(fll, "Waiting for FLL lock...\n");
+ val = 0;
+ for (i = 0; i < 15; i++) {
+ if (i < 5)
+ usleep_range(200, 400);
+ else
+ msleep(20);
+
+ regmap_read(arizona->regmap,
+ ARIZONA_INTERRUPT_RAW_STATUS_5,
+ &val);
+ if (val & (ARIZONA_FLL1_CLOCK_OK_STS << (fll->id - 1)))
+ break;
+ }
+ if (i == 15)
arizona_fll_warn(fll, "Timed out waiting for lock\n");
+ else
+ arizona_fll_dbg(fll, "FLL locked (%d polls)\n", i);
return 0;
}
@@ -2212,11 +2213,8 @@ EXPORT_SYMBOL_GPL(arizona_set_fll);
int arizona_init_fll(struct arizona *arizona, int id, int base, int lock_irq,
int ok_irq, struct arizona_fll *fll)
{
- int ret;
unsigned int val;
- init_completion(&fll->ok);
-
fll->id = id;
fll->base = base;
fll->arizona = arizona;
@@ -2238,13 +2236,6 @@ int arizona_init_fll(struct arizona *arizona, int id, int base, int lock_irq,
snprintf(fll->clock_ok_name, sizeof(fll->clock_ok_name),
"FLL%d clock OK", id);
- ret = arizona_request_irq(arizona, ok_irq, fll->clock_ok_name,
- arizona_fll_clock_ok, fll);
- if (ret != 0) {
- dev_err(arizona->dev, "Failed to get FLL%d clock OK IRQ: %d\n",
- id, ret);
- }
-
regmap_update_bits(arizona->regmap, fll->base + 1,
ARIZONA_FLL1_FREERUN, 0);