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Merge remote-tracking branches 'asoc/topic/88pm860x', 'asoc/topic/ac97', 'asoc/topic/ak4542', 'asoc/topic/arizona' and 'asoc/topic/atmel' into asoc-next

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This commit is contained in:
Mark Brown
2015-08-30 15:52:21 +01:00
parent 28becbd59c 93ec3a1ad5 310398f5e4 f8ea6cebcf d90c6cc242 56113f6e6f
commit 21af109438
18 changed files with 296 additions and 242 deletions
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78
sound/soc/codecs/arizona.c
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@@ -1504,7 +1504,7 @@ static int arizona_hw_params(struct snd_pcm_substream *substream,
else
rates = &arizona_48k_bclk_rates[0];
wl = snd_pcm_format_width(params_format(params));
wl = params_width(params);
if (tdm_slots) {
arizona_aif_dbg(dai, "Configuring for %d %d bit TDM slots\n",
@@ -2304,6 +2304,82 @@ const struct snd_kcontrol_new arizona_adsp2_rate_controls[] = {
};
EXPORT_SYMBOL_GPL(arizona_adsp2_rate_controls);
static bool arizona_eq_filter_unstable(bool mode, __be16 _a, __be16 _b)
{
s16 a = be16_to_cpu(_a);
s16 b = be16_to_cpu(_b);
if (!mode) {
return abs(a) >= 4096;
} else {
if (abs(b) >= 4096)
return true;
return (abs((a << 16) / (4096 - b)) >= 4096 << 4);
}
}
int arizona_eq_coeff_put(struct snd_kcontrol *kcontrol,
struct snd_ctl_elem_value *ucontrol)
{
struct snd_soc_codec *codec = snd_soc_kcontrol_codec(kcontrol);
struct arizona *arizona = dev_get_drvdata(codec->dev->parent);
struct soc_bytes *params = (void *)kcontrol->private_value;
unsigned int val;
__be16 *data;
int len;
int ret;
len = params->num_regs * regmap_get_val_bytes(arizona->regmap);
data = kmemdup(ucontrol->value.bytes.data, len, GFP_KERNEL | GFP_DMA);
if (!data)
return -ENOMEM;
data[0] &= cpu_to_be16(ARIZONA_EQ1_B1_MODE);
if (arizona_eq_filter_unstable(!!data[0], data[1], data[2]) ||
arizona_eq_filter_unstable(true, data[4], data[5]) ||
arizona_eq_filter_unstable(true, data[8], data[9]) ||
arizona_eq_filter_unstable(true, data[12], data[13]) ||
arizona_eq_filter_unstable(false, data[16], data[17])) {
dev_err(arizona->dev, "Rejecting unstable EQ coefficients\n");
ret = -EINVAL;
goto out;
}
ret = regmap_read(arizona->regmap, params->base, &val);
if (ret != 0)
goto out;
val &= ~ARIZONA_EQ1_B1_MODE;
data[0] |= cpu_to_be16(val);
ret = regmap_raw_write(arizona->regmap, params->base, data, len);
out:
kfree(data);
return ret;
}
EXPORT_SYMBOL_GPL(arizona_eq_coeff_put);
int arizona_lhpf_coeff_put(struct snd_kcontrol *kcontrol,
struct snd_ctl_elem_value *ucontrol)
{
struct snd_soc_codec *codec = snd_soc_kcontrol_codec(kcontrol);
struct arizona *arizona = dev_get_drvdata(codec->dev->parent);
__be16 *data = (__be16 *)ucontrol->value.bytes.data;
s16 val = be16_to_cpu(*data);
if (abs(val) >= 4096) {
dev_err(arizona->dev, "Rejecting unstable LHPF coefficients\n");
return -EINVAL;
}
return snd_soc_bytes_put(kcontrol, ucontrol);
}
EXPORT_SYMBOL_GPL(arizona_lhpf_coeff_put);
MODULE_DESCRIPTION("ASoC Wolfson Arizona class device support");
MODULE_AUTHOR("Mark Brown <broonie@opensource.wolfsonmicro.com>");
MODULE_LICENSE("GPL");