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ASoC: arizona: Move selection of FLL REFCLK into init

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In preparation for additional features on the FLL this patch moves the
code selecting the REFCLK source based on the 32kHz clock into the FLL
initialisation function.

Signed-off-by: Charles Keepax <ckeepax@opensource.wolfsonmicro.com>
Signed-off-by: Mark Brown <broonie@opensource.wolfsonmicro.com>
This commit is contained in:
Charles Keepax 2013-02-20 17:28:34 +00:00 committed by Mark Brown
parent 6dbe51c251
commit 19b34bdc6d
2 changed files with 19 additions and 12 deletions
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28
sound/soc/codecs/arizona.c
View file

@ -1079,7 +1079,7 @@ int arizona_set_fll(struct arizona_fll *fll, int source,
{
struct arizona *arizona = fll->arizona;
struct arizona_fll_cfg cfg, sync;
unsigned int reg, val;
unsigned int reg;
int syncsrc;
bool ena;
int ret;
@ -1096,16 +1096,7 @@ int arizona_set_fll(struct arizona_fll *fll, int source,
ena = reg & ARIZONA_FLL1_ENA;
if (Fout) {
/* Do we have a 32kHz reference? */
regmap_read(arizona->regmap, ARIZONA_CLOCK_32K_1, &val);
switch (val & ARIZONA_CLK_32K_SRC_MASK) {
case ARIZONA_CLK_SRC_MCLK1:
case ARIZONA_CLK_SRC_MCLK2:
syncsrc = val & ARIZONA_CLK_32K_SRC_MASK;
break;
default:
syncsrc = -1;
}
syncsrc = fll->ref_src;
if (source == syncsrc)
syncsrc = -1;
@ -1115,7 +1106,7 @@ int arizona_set_fll(struct arizona_fll *fll, int source,
if (ret != 0)
return ret;
ret = arizona_calc_fll(fll, &cfg, 32768, Fout);
ret = arizona_calc_fll(fll, &cfg, fll->ref_freq, Fout);
if (ret != 0)
return ret;
} else {
@ -1178,6 +1169,7 @@ 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);
@ -1185,6 +1177,18 @@ int arizona_init_fll(struct arizona *arizona, int id, int base, int lock_irq,
fll->base = base;
fll->arizona = arizona;
/* Configure default refclk to 32kHz if we have one */
regmap_read(arizona->regmap, ARIZONA_CLOCK_32K_1, &val);
switch (val & ARIZONA_CLK_32K_SRC_MASK) {
case ARIZONA_CLK_SRC_MCLK1:
case ARIZONA_CLK_SRC_MCLK2:
fll->ref_src = val & ARIZONA_CLK_32K_SRC_MASK;
break;
default:
fll->ref_src = -1;
}
fll->ref_freq = 32768;
snprintf(fll->lock_name, sizeof(fll->lock_name), "FLL%d lock", id);
snprintf(fll->clock_ok_name, sizeof(fll->clock_ok_name),
"FLL%d clock OK", id);

3
sound/soc/codecs/arizona.h
View file

@ -201,6 +201,9 @@ struct arizona_fll {
unsigned int fref;
unsigned int fout;
int ref_src;
unsigned int ref_freq;
char lock_name[ARIZONA_FLL_NAME_LEN];
char clock_ok_name[ARIZONA_FLL_NAME_LEN];
};