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Diffstat (limited to 'sound/soc/tegra/tegra_wired_jack.c')
-rw-r--r--sound/soc/tegra/tegra_wired_jack.c132
1 files changed, 104 insertions, 28 deletions
diff --git a/sound/soc/tegra/tegra_wired_jack.c b/sound/soc/tegra/tegra_wired_jack.c
index 10fb237ce64a..b846fa003c62 100644
--- a/sound/soc/tegra/tegra_wired_jack.c
+++ b/sound/soc/tegra/tegra_wired_jack.c
@@ -29,6 +29,7 @@
#include "tegra_soc.h"
#define HEAD_DET_GPIO 0
+#define MIC_DET_GPIO 1
struct wired_jack_conf tegra_wired_jack_conf = {
-1, -1, -1, -1
@@ -37,7 +38,7 @@ struct wired_jack_conf tegra_wired_jack_conf = {
/* jack */
static struct snd_soc_jack *tegra_wired_jack;
-static struct snd_soc_jack_pin hs_jack_pins[] = {
+static struct snd_soc_jack_pin wired_jack_pins[] = {
{
.pin = "Headset Jack",
.mask = SND_JACK_HEADSET,
@@ -52,7 +53,7 @@ static struct snd_soc_jack_pin hs_jack_pins[] = {
},
};
-static struct snd_soc_jack_gpio hs_jack_gpios[] = {
+static struct snd_soc_jack_gpio wired_jack_gpios[] = {
{
/* gpio pin depends on board traits */
.name = "headphone-detect-gpio",
@@ -60,6 +61,13 @@ static struct snd_soc_jack_gpio hs_jack_gpios[] = {
.invert = 1,
.debounce_time = 200,
},
+ {
+ /* gpio pin depens on board traits */
+ .name = "mic-detect-gpio",
+ .report = SND_JACK_MICROPHONE,
+ .invert = 1,
+ .debounce_time = 200,
+ },
};
static struct switch_dev wired_switch_dev = {
@@ -76,16 +84,49 @@ static int wired_swith_notify(struct notifier_block *self,
unsigned long action, void* dev)
{
int state = 0;
+ int flag = 0;
+ int hp_gpio = -1;
+ int mic_gpio = -1;;
+
+ /* hp_det_n is low active pin */
+ if (tegra_wired_jack_conf.hp_det_n != -1)
+ hp_gpio = gpio_get_value(tegra_wired_jack_conf.hp_det_n);
+ if (tegra_wired_jack_conf.cdc_irq != -1)
+ mic_gpio = gpio_get_value(tegra_wired_jack_conf.cdc_irq);
+
+ flag = (hp_gpio << 4) | mic_gpio;
switch (action) {
case SND_JACK_HEADSET:
state = 1;
break;
case SND_JACK_HEADPHONE:
- state = 2;
+ if (mic_gpio)
+ state = 1;
+ else
+ state = 2;
+ break;
+ case SND_JACK_MICROPHONE:
+ if (!hp_gpio) /* low = hp */
+ state = 1;
break;
default:
- state = 0;
+ switch (flag) {
+ case 0x010:
+ state = 0;
+ break;
+ case 0x01:
+ state = 1;
+ break;
+ case 0x11:
+ /* mic: would not report */
+ break;
+ case 0x00:
+ state = 2;
+ break;
+ default:
+ state = 0;
+ }
}
tegra_switch_set_state(state);
@@ -101,30 +142,55 @@ static struct notifier_block wired_switch_nb = {
static int tegra_wired_jack_probe(struct platform_device *pdev)
{
int ret;
- int hp_det_n;
+ int hp_det_n, cdc_irq;
+ int en_mic_int, en_mic_ext;
int en_spkr;
struct tegra_wired_jack_conf *pdata;
pdata = (struct tegra_wired_jack_conf *)pdev->dev.platform_data;
- if (!pdata || !pdata->hp_det_n || !pdata->en_spkr) {
+ if (!pdata || !pdata->hp_det_n || !pdata->en_spkr ||
+ !pdata->cdc_irq || !pdata->en_mic_int || !pdata->en_mic_ext) {
pr_err("Please set up gpio pins for jack.\n");
return -EBUSY;
}
hp_det_n = pdata->hp_det_n;
- hs_jack_gpios[HEAD_DET_GPIO].gpio = hp_det_n;
+ wired_jack_gpios[HEAD_DET_GPIO].gpio = hp_det_n;
+
+ cdc_irq = pdata->cdc_irq;
+ wired_jack_gpios[MIC_DET_GPIO].gpio = cdc_irq;
ret = snd_soc_jack_add_gpios(tegra_wired_jack,
- ARRAY_SIZE(hs_jack_gpios),
- hs_jack_gpios);
+ ARRAY_SIZE(wired_jack_gpios),
+ wired_jack_gpios);
if (ret) {
pr_err("Could NOT set up gpio pins for jack.\n");
snd_soc_jack_free_gpios(tegra_wired_jack,
- ARRAY_SIZE(hs_jack_gpios),
- hs_jack_gpios);
+ ARRAY_SIZE(wired_jack_gpios),
+ wired_jack_gpios);
return ret;
}
+ /* Mic switch controlling pins */
+ en_mic_int = pdata->en_mic_int;
+ en_mic_ext = pdata->en_mic_ext;
+
+ ret = gpio_request(en_mic_int, "en_mic_int");
+ if (ret) {
+ pr_err("Could NOT get gpio for internal mic controlling.\n");
+ gpio_free(en_mic_int);
+ }
+ gpio_direction_output(en_mic_int, 0);
+ gpio_export(en_mic_int, false);
+
+ ret = gpio_request(en_mic_ext, "en_mic_ext");
+ if (ret) {
+ pr_err("Could NOT get gpio for external mic controlling.\n");
+ gpio_free(en_mic_ext);
+ }
+ gpio_direction_output(en_mic_ext, 0);
+ gpio_export(en_mic_ext, false);
+
en_spkr = pdata->en_spkr;
ret = gpio_request(en_spkr, "en_spkr");
if (ret) {
@@ -136,23 +202,44 @@ static int tegra_wired_jack_probe(struct platform_device *pdev)
/* restore configuration of these pins */
tegra_wired_jack_conf.hp_det_n = hp_det_n;
+ tegra_wired_jack_conf.en_mic_int = en_mic_int;
+ tegra_wired_jack_conf.en_mic_ext = en_mic_ext;
+ tegra_wired_jack_conf.cdc_irq = cdc_irq;
tegra_wired_jack_conf.en_spkr = en_spkr;
+ /* Addd h2w swith class support */
+ ret = switch_dev_register(&wired_switch_dev);
+ if (ret < 0)
+ goto switch_dev_failed;
+
+ snd_soc_jack_notifier_register(tegra_wired_jack,
+ &wired_switch_nb);
+
return 0;
+
+switch_dev_failed:
+ switch_dev_unregister(&wired_switch_dev);
+ return ret;
}
static int tegra_wired_jack_remove(struct platform_device *pdev)
{
snd_soc_jack_free_gpios(tegra_wired_jack,
- ARRAY_SIZE(hs_jack_gpios),
- hs_jack_gpios);
+ ARRAY_SIZE(wired_jack_gpios),
+ wired_jack_gpios);
+
+ gpio_free(tegra_wired_jack_conf.en_mic_int);
+ gpio_free(tegra_wired_jack_conf.en_mic_ext);
+ gpio_free(tegra_wired_jack_conf.en_spkr);
+
+ switch_dev_unregister(&wired_switch_dev);
return 0;
}
static struct platform_driver tegra_wired_jack_driver = {
.probe = tegra_wired_jack_probe,
- .remove = __devexit_p(tegra_wired_jack_remove),
+ .remove = tegra_wired_jack_remove,
.driver = {
.name = "tegra_wired_jack",
.owner = THIS_MODULE,
@@ -174,33 +261,23 @@ int tegra_jack_init(struct snd_soc_codec *codec)
}
/* Add jack detection */
- ret = snd_soc_jack_new(codec->socdev->card, "Headset Jack",
+ ret = snd_soc_jack_new(codec->socdev->card, "Wired Accessory Jack",
SND_JACK_HEADSET, tegra_wired_jack);
if (ret < 0)
goto failed;
ret = snd_soc_jack_add_pins(tegra_wired_jack,
- ARRAY_SIZE(hs_jack_pins),
- hs_jack_pins);
+ ARRAY_SIZE(wired_jack_pins),
+ wired_jack_pins);
if (ret < 0)
goto failed;
- /* Addd h2w swith class support */
- ret = switch_dev_register(&wired_switch_dev);
- if (ret < 0)
- goto switch_dev_failed;
-
- snd_soc_jack_notifier_register(tegra_wired_jack,
- &wired_switch_nb);
-
ret = platform_driver_register(&tegra_wired_jack_driver);
if (ret < 0)
goto platform_dev_failed;
return 0;
-switch_dev_failed:
- switch_dev_unregister(&wired_switch_dev);
platform_dev_failed:
platform_driver_unregister(&tegra_wired_jack_driver);
failed:
@@ -213,7 +290,6 @@ failed:
void tegra_jack_exit(void)
{
- switch_dev_unregister(&wired_switch_dev);
platform_driver_unregister(&tegra_wired_jack_driver);
if (tegra_wired_jack) {
generated by cgit v1.2.3 (git 2.0.4) at 2024-06-20 02:20:06 +0000