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mfd: arizona: Provide platform data for MICBIAS configuration

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Allow the MICBIAS voltages and other attributes to be configured by the
platform.

Signed-off-by: Mark Brown <broonie@opensource.wolfsonmicro.com>
Signed-off-by: Samuel Ortiz <sameo@linux.intel.com>
This commit is contained in:
Mark Brown
2013-01-29 00:47:37 +08:00
committed by Samuel Ortiz
parent 648a98808c
commit 3d91f8282c
2 changed files with 35 additions and 0 deletions
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23
drivers/mfd/arizona-core.c
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@@ -510,6 +510,29 @@ int arizona_dev_init(struct arizona *arizona)
goto err_reset;
}
for (i = 0; i < ARIZONA_MAX_MICBIAS; i++) {
if (!arizona->pdata.micbias[i].mV)
continue;
val = (arizona->pdata.micbias[i].mV - 1500) / 100;
val <<= ARIZONA_MICB1_LVL_SHIFT;
if (arizona->pdata.micbias[i].ext_cap)
val |= ARIZONA_MICB1_EXT_CAP;
if (arizona->pdata.micbias[i].discharge)
val |= ARIZONA_MICB1_DISCH;
if (arizona->pdata.micbias[i].fast_start)
val |= ARIZONA_MICB1_RATE;
regmap_update_bits(arizona->regmap,
ARIZONA_MIC_BIAS_CTRL_1 + i,
ARIZONA_MICB1_LVL_MASK |
ARIZONA_MICB1_DISCH |
ARIZONA_MICB1_RATE, val);
}
for (i = 0; i < ARIZONA_MAX_INPUT; i++) {
/* Default for both is 0 so noop with defaults */
val = arizona->pdata.dmic_ref[i]