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-rw-r--r--sound/soc/codecs/tlv320aic3x.c32
-rw-r--r--sound/soc/codecs/tpa6130a2.c6
-rw-r--r--sound/soc/codecs/twl4030.c37
3 files changed, 56 insertions, 19 deletions
diff --git a/sound/soc/codecs/tlv320aic3x.c b/sound/soc/codecs/tlv320aic3x.c
index 49b797ccc8d6..bfd036a2c83c 100644
--- a/sound/soc/codecs/tlv320aic3x.c
+++ b/sound/soc/codecs/tlv320aic3x.c
@@ -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);
}
diff --git a/sound/soc/codecs/tpa6130a2.c b/sound/soc/codecs/tpa6130a2.c
index 2d64502c0c5b..9d61a1d6fce0 100644
--- a/sound/soc/codecs/tpa6130a2.c
+++ b/sound/soc/codecs/tpa6130a2.c
@@ -127,9 +127,6 @@ static int tpa6130a2_power(int power)
mutex_lock(&data->mutex);
if (power && !data->power_state) {
- /* Power on */
- if (data->power_gpio >= 0)
- gpio_set_value(data->power_gpio, 1);
ret = regulator_enable(data->supply);
if (ret != 0) {
@@ -137,6 +134,9 @@ static int tpa6130a2_power(int power)
"Failed to enable supply: %d\n", ret);
goto exit;
}
+ /* Power on */
+ if (data->power_gpio >= 0)
+ gpio_set_value(data->power_gpio, 1);
data->power_state = 1;
ret = tpa6130a2_initialize();
diff --git a/sound/soc/codecs/twl4030.c b/sound/soc/codecs/twl4030.c
index 0488d5514cd8..c173cf00f5cb 100644
--- a/sound/soc/codecs/twl4030.c
+++ b/sound/soc/codecs/twl4030.c
@@ -232,6 +232,16 @@ static int twl4030_write(struct snd_soc_codec *codec,
return 0;
}
+static inline void twl4030_wait_ms(int time)
+{
+ if (time < 60) {
+ time *= 1000;
+ usleep_range(time, time + 500);
+ } else {
+ msleep(time);
+ }
+}
+
static void twl4030_codec_enable(struct snd_soc_codec *codec, int enable)
{
struct twl4030_priv *twl4030 = snd_soc_codec_get_drvdata(codec);
@@ -337,10 +347,14 @@ static void twl4030_init_chip(struct snd_soc_codec *codec)
twl4030_write(codec, TWL4030_REG_ANAMICL,
reg | TWL4030_CNCL_OFFSET_START);
- /* wait for offset cancellation to complete */
+ /*
+ * Wait for offset cancellation to complete.
+ * Since this takes a while, do not slam the i2c.
+ * Start polling the status after ~20ms.
+ */
+ msleep(20);
do {
- /* this takes a little while, so don't slam i2c */
- udelay(2000);
+ usleep_range(1000, 2000);
twl_i2c_read_u8(TWL4030_MODULE_AUDIO_VOICE, &byte,
TWL4030_REG_ANAMICL);
} while ((i++ < 100) &&
@@ -724,9 +738,12 @@ static void headset_ramp(struct snd_soc_codec *codec, int ramp)
/* Base values for ramp delay calculation: 2^19 - 2^26 */
unsigned int ramp_base[] = {524288, 1048576, 2097152, 4194304,
8388608, 16777216, 33554432, 67108864};
+ unsigned int delay;
hs_gain = twl4030_read_reg_cache(codec, TWL4030_REG_HS_GAIN_SET);
hs_pop = twl4030_read_reg_cache(codec, TWL4030_REG_HS_POPN_SET);
+ delay = (ramp_base[(hs_pop & TWL4030_RAMP_DELAY) >> 2] /
+ twl4030->sysclk) + 1;
/* Enable external mute control, this dramatically reduces
* the pop-noise */
@@ -750,16 +767,14 @@ static void headset_ramp(struct snd_soc_codec *codec, int ramp)
hs_pop |= TWL4030_RAMP_EN;
twl4030_write(codec, TWL4030_REG_HS_POPN_SET, hs_pop);
/* Wait ramp delay time + 1, so the VMID can settle */
- mdelay((ramp_base[(hs_pop & TWL4030_RAMP_DELAY) >> 2] /
- twl4030->sysclk) + 1);
+ twl4030_wait_ms(delay);
} else {
/* Headset ramp-down _not_ according to
* the TRM, but in a way that it is working */
hs_pop &= ~TWL4030_RAMP_EN;
twl4030_write(codec, TWL4030_REG_HS_POPN_SET, hs_pop);
/* Wait ramp delay time + 1, so the VMID can settle */
- mdelay((ramp_base[(hs_pop & TWL4030_RAMP_DELAY) >> 2] /
- twl4030->sysclk) + 1);
+ twl4030_wait_ms(delay);
/* Bypass the reg_cache to mute the headset */
twl_i2c_write_u8(TWL4030_MODULE_AUDIO_VOICE,
hs_gain & (~0x0f),
@@ -834,7 +849,7 @@ static int digimic_event(struct snd_soc_dapm_widget *w,
struct twl4030_priv *twl4030 = snd_soc_codec_get_drvdata(w->codec);
if (twl4030->digimic_delay)
- mdelay(twl4030->digimic_delay);
+ twl4030_wait_ms(twl4030->digimic_delay);
return 0;
}
@@ -2257,9 +2272,12 @@ static int twl4030_soc_probe(struct snd_soc_codec *codec)
static int twl4030_soc_remove(struct snd_soc_codec *codec)
{
+ struct twl4030_priv *twl4030 = snd_soc_codec_get_drvdata(codec);
+
/* Reset registers to their chip default before leaving */
twl4030_reset_registers(codec);
twl4030_set_bias_level(codec, SND_SOC_BIAS_OFF);
+ kfree(twl4030);
return 0;
}
@@ -2291,10 +2309,7 @@ static int __devinit twl4030_codec_probe(struct platform_device *pdev)
static int __devexit twl4030_codec_remove(struct platform_device *pdev)
{
- struct twl4030_priv *twl4030 = dev_get_drvdata(&pdev->dev);
-
snd_soc_unregister_codec(&pdev->dev);
- kfree(twl4030);
return 0;
}
generated by cgit v1.2.3 (git 2.39.1) at 2024-12-24 18:14:57 +0000