xiaomi-sm8450/android_kernel_xiaomi_sm8450
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Merge branch 'topic/asoc' of git://git.kernel.org/pub/scm/linux/kernel/git/tiwai/sound-2.6 into for-2.6.38

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This commit is contained in:
Mark Brown
2010-11-24 11:26:39 +00:00
parent d50a87402e 2ab46c9390
commit a1c1f770e3
3 changed files with 56 additions and 19 deletions
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32
sound/soc/codecs/tlv320aic3x.c
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@@ -60,6 +60,8 @@ static const char *aic3x_supply_names[AIC3X_NUM_SUPPLIES] = {
"DRVDD", /* ADC Analog and Output Driver Voltage */
};
static LIST_HEAD(reset_list);
struct aic3x_priv;
struct aic3x_disable_nb {
@@ -76,6 +78,7 @@ struct aic3x_priv {
struct aic3x_setup_data *setup;
void *control_data;
unsigned int sysclk;
struct list_head list;
int master;
int gpio_reset;
int power;
@@ -1076,7 +1079,7 @@ static int aic3x_regulator_event(struct notifier_block *nb,
* Put codec to reset and require cache sync as at least one
* of the supplies was disabled
*/
if (aic3x->gpio_reset >= 0)
if (gpio_is_valid(aic3x->gpio_reset))
gpio_set_value(aic3x->gpio_reset, 0);
aic3x->codec->cache_sync = 1;
}
@@ -1103,7 +1106,7 @@ static int aic3x_set_power(struct snd_soc_codec *codec, int power)
if (!codec->cache_sync)
goto out;
if (aic3x->gpio_reset >= 0) {
if (gpio_is_valid(aic3x->gpio_reset)) {
udelay(1);
gpio_set_value(aic3x->gpio_reset, 1);
}
@@ -1345,11 +1348,25 @@ static int aic3x_init(struct snd_soc_codec *codec)
return 0;
}
static bool aic3x_is_shared_reset(struct aic3x_priv *aic3x)
{
struct aic3x_priv *a;
list_for_each_entry(a, &reset_list, list) {
if (gpio_is_valid(aic3x->gpio_reset) &&
aic3x->gpio_reset == a->gpio_reset)
return true;
}
return false;
}
static int aic3x_probe(struct snd_soc_codec *codec)
{
struct aic3x_priv *aic3x = snd_soc_codec_get_drvdata(codec);
int ret, i;
INIT_LIST_HEAD(&aic3x->list);
codec->control_data = aic3x->control_data;
aic3x->codec = codec;
codec->dapm.idle_bias_off = 1;
@@ -1360,7 +1377,8 @@ static int aic3x_probe(struct snd_soc_codec *codec)
return ret;
}
if (aic3x->gpio_reset >= 0) {
if (gpio_is_valid(aic3x->gpio_reset) &&
!aic3x_is_shared_reset(aic3x)) {
ret = gpio_request(aic3x->gpio_reset, "tlv320aic3x reset");
if (ret != 0)
goto err_gpio;
@@ -1406,6 +1424,7 @@ static int aic3x_probe(struct snd_soc_codec *codec)
snd_soc_add_controls(codec, &aic3x_classd_amp_gain_ctrl, 1);
aic3x_add_widgets(codec);
list_add(&aic3x->list, &reset_list);
return 0;
@@ -1415,7 +1434,8 @@ err_notif:
&aic3x->disable_nb[i].nb);
regulator_bulk_free(ARRAY_SIZE(aic3x->supplies), aic3x->supplies);
err_get:
if (aic3x->gpio_reset >= 0)
if (gpio_is_valid(aic3x->gpio_reset) &&
!aic3x_is_shared_reset(aic3x))
gpio_free(aic3x->gpio_reset);
err_gpio:
return ret;
@@ -1427,7 +1447,9 @@ static int aic3x_remove(struct snd_soc_codec *codec)
int i;
aic3x_set_bias_level(codec, SND_SOC_BIAS_OFF);
if (aic3x->gpio_reset >= 0) {
list_del(&aic3x->list);
if (gpio_is_valid(aic3x->gpio_reset) &&
!aic3x_is_shared_reset(aic3x)) {
gpio_set_value(aic3x->gpio_reset, 0);
gpio_free(aic3x->gpio_reset);
}