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https://github.com/hardkernel/kernel_common_drivers.git
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audio: gpio reset control [1/1]
PD#SWPL-242053 Problem: the gpio control cause the put control error Solution: need reset to null when suspend/resume Verify: android 16 Change-Id: Ie6eee67f75ccba012f339dc95413dba082901368 Signed-off-by: qing.zhang <qing.zhang@amlogic.com>
This commit is contained in:
qing.zhang
committed by
gerrit autosubmit
gerrit autosubmit
parent
f54d4556f9
commit
89f65df9ea
@@ -64,7 +64,6 @@ enum ad82120b_type {
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AD82120B,
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};
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static int reset_pin_setting;
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static char string[AD82120B_PARAM_COUNT];
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static const char * const ad82120b_supply_names[] = {
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"dvdd", /* Digital power supply. Connect to 3.3-V supply. */
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@@ -600,57 +599,6 @@ struct ad82120b_data {
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int no_device;
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};
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static int ad82120b_pd_gpio_set(struct snd_soc_component *component, bool enable)
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{
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struct ad82120b_data *ad82120b =
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snd_soc_component_get_drvdata(component);
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int ret = 0;
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if (enable) {
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if (!reset_pin_setting) {
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// request amp PD pin control GPIO
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if (IS_ERR_OR_NULL(ad82120b->reset_pin_desc)) {
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ad82120b->reset_pin_desc = gpiod_get(ad82120b->dev,
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"reset_pin", GPIOF_OUT_INIT_LOW);
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}
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if (IS_ERR(ad82120b->reset_pin_desc)) {
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dev_err(component->dev, "failed to request reset pin gpio\n");
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return -1;
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}
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// pull high amp PD pin
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ret = gpiod_direction_output(ad82120b->reset_pin_desc, GPIOF_OUT_INIT_HIGH);
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dev_info(component->dev, "ad82120b pd pin status = %d\n",
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gpiod_get_value(ad82120b->reset_pin_desc));
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if (!ret)
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ad82120b->no_device = 1;
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reset_pin_setting = 1;
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gpiod_put(ad82120b->reset_pin_desc);
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}
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} else {
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if (reset_pin_setting) {
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// request amp PD pin control GPIO
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if (IS_ERR_OR_NULL(ad82120b->reset_pin_desc)) {
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ad82120b->reset_pin_desc = gpiod_get(ad82120b->dev,
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"reset_pin", GPIOF_OUT_INIT_LOW);
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}
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if (IS_ERR(ad82120b->reset_pin_desc)) {
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dev_err(component->dev, "failed to request reset pin gpio\n");
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return -1;
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}
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ret = gpiod_direction_output(ad82120b->reset_pin_desc, GPIOF_OUT_INIT_LOW);
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dev_info(component->dev, "ad82120b pd pin status = %d\n",
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gpiod_get_value(ad82120b->reset_pin_desc));
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if (!ret)
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ad82120b->no_device = 1;
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reset_pin_setting = 0;
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gpiod_put(ad82120b->reset_pin_desc);
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}
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}
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return 0;
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}
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static int ad82120b_hw_params(struct snd_pcm_substream *substream,
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struct snd_pcm_hw_params *params,
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struct snd_soc_dai *dai)
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@@ -907,6 +855,25 @@ static const struct snd_kcontrol_new ad82120b_eq_mode_control[] = {
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#define AD82120B_ERROR_FLAG (AD82120B_OCE | AD82120B_DCDE | AD82120B_OTE |\
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AD82120B_UVE | AD82120B_BSUVE | AD82120B_OVPE)
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static int ad82120b_power_on(struct device *dev, bool enable)
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{
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struct ad82120b_data *ad82120b = dev_get_drvdata(dev);
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if (IS_ERR(ad82120b->reset_pin_desc)) {
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dev_err(dev, "failed to request reset pin gpio\n");
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return -1;
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}
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// pull high amp PD pin
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if (enable)
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gpiod_direction_output(ad82120b->reset_pin_desc, GPIOF_OUT_INIT_HIGH);
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else
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gpiod_direction_output(ad82120b->reset_pin_desc, GPIOF_OUT_INIT_LOW);
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dev_vdbg(dev, "ad82120b pd pin status = %d\n",
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gpiod_get_value(ad82120b->reset_pin_desc));
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return 0;
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}
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static void ad82120b_fault_check_work(struct work_struct *work)
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{
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struct ad82120b_data *ad82120b = container_of(work, struct ad82120b_data,
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@@ -987,9 +954,9 @@ static void ad82120b_fault_check_work(struct work_struct *work)
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*/
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dev_crit(dev, "toggle pd pin H->L->H to clear latching faults\n");
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ad82120b_pd_gpio_set(ad82120b->component, false); // pull low amp PD pin
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ad82120b_power_on(dev, false); // pull low amp PD pin
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msleep(20);
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ad82120b_pd_gpio_set(ad82120b->component, true); // pull high amp PD pin
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ad82120b_power_on(dev, true); // pull high amp PD pin
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out:
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/* Schedule the next fault check at the specified interval */
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@@ -1000,13 +967,14 @@ out:
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static int ad82120b_reg_ram_init(struct snd_soc_component *component)
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{
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struct ad82120b_data *ad82120b = snd_soc_component_get_drvdata(component);
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struct device *dev = ad82120b->dev;
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int ret;
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int i;
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int reg_data;
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pr_info("ad82120b i2c address = %p, %s!\n", component, __func__);
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ad82120b_pd_gpio_set(component, true); // pull high amp PD pin
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ad82120b_power_on(dev, true);; // pull high amp PD pin
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msleep(45);
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@@ -1362,6 +1330,7 @@ static void ad82120b_set_volume(struct snd_soc_component *component, int vol)
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static int ad82120b_suspend(struct snd_soc_component *component)
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{
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struct ad82120b_data *ad82120b = snd_soc_component_get_drvdata(component);
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struct device *dev = ad82120b->dev;
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int ret;
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pr_info("%s ad82120b suspend.\n", __func__);
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@@ -1374,7 +1343,7 @@ static int ad82120b_suspend(struct snd_soc_component *component)
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if (ret < 0)
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dev_err(component->dev, "failed to disable supplies: %d\n", ret);
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ad82120b_pd_gpio_set(component, false);
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ad82120b_power_on(dev, false);
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return ret;
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}
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@@ -1382,11 +1351,13 @@ static int ad82120b_suspend(struct snd_soc_component *component)
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static int ad82120b_resume(struct snd_soc_component *component)
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{
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struct ad82120b_data *ad82120b = snd_soc_component_get_drvdata(component);
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struct device *dev = ad82120b->dev;
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int ret, i, j;
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char *p = ad82120b->m_reg_tab;
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pr_info("%s ad82120b resume.\n", __func__);
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ad82120b_power_on(dev, true);
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ret = regulator_bulk_enable(ARRAY_SIZE(ad82120b->supplies),
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ad82120b->supplies);
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if (ret < 0) {
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@@ -1958,23 +1929,13 @@ static int ad82120b_parse_dt(struct ad82120b_data *ad82120b, struct device *dev)
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ad82120b->ch_mode = ch_mode;
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dev_info(dev, "ch mode %d\n", ch_mode);
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return 0;
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}
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ad82120b->reset_pin_desc = gpiod_get(ad82120b->dev,
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"reset_pin", GPIOF_OUT_INIT_LOW);
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static void ad82120b_power_on(struct device *dev)
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{
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struct ad82120b_data *ad82120b = dev_get_drvdata(dev);
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if (IS_ERR_OR_NULL(ad82120b->reset_pin_desc)) {
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ad82120b->reset_pin_desc = gpiod_get(ad82120b->dev,
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"reset_pin", GPIOF_OUT_INIT_LOW);
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}
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if (IS_ERR(ad82120b->reset_pin_desc))
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dev_err(dev, "failed to request reset pin gpio\n");
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// pull high amp PD pin
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gpiod_direction_output(ad82120b->reset_pin_desc, GPIOF_OUT_INIT_HIGH);
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dev_info(dev, "ad82120b pd pin status = %d\n",
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gpiod_get_value(ad82120b->reset_pin_desc));
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dev_err(dev, "ad82120b reset_pin err\n");
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return 0;
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}
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static const struct i2c_device_id ad82120b_id[] = {
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@@ -1993,7 +1954,6 @@ static int ad82120b_probe(struct i2c_client *client)
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u32 dummy;
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const struct i2c_device_id *id = i2c_match_id(ad82120b_id, client);
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data = devm_kzalloc(dev, sizeof(*data), GFP_KERNEL);
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if (!data)
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return -ENOMEM;
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@@ -2029,7 +1989,7 @@ static int ad82120b_probe(struct i2c_client *client)
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dev_set_drvdata(dev, data);
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data->dev = dev;
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ad82120b_parse_dt(data, &client->dev);
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ad82120b_power_on(&client->dev);
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ad82120b_power_on(dev, true);
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ret = regmap_read(data->regmap, 0x00, &dummy);
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if (ret != 0) {
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@@ -2078,27 +2038,17 @@ static void ad82120b_shutdown(struct i2c_client *client)
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if (!ad82120b)
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return;
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if (!IS_ERR(ad82120b->reset_pin_desc) && reset_pin_setting) {
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// request amp PD pin control GPIO
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if (IS_ERR_OR_NULL(ad82120b->reset_pin_desc)) {
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ad82120b->reset_pin_desc = gpiod_get(ad82120b->dev,
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"reset_pin", GPIOF_OUT_INIT_LOW);
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}
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if (IS_ERR(ad82120b->reset_pin_desc)) {
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pr_info("ad82120b invalid reset pin\n");
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return;
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}
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// pull high amp PD pin
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ret = gpiod_direction_output(ad82120b->reset_pin_desc, GPIOF_OUT_INIT_LOW);
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pr_info("ad82120b pd pin status = %d\n",
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gpiod_get_value(ad82120b->reset_pin_desc));
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if (!ret)
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ad82120b->no_device = 1;
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reset_pin_setting = 0;
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if (!IS_ERR(ad82120b->reset_pin_desc)) {
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ret = ad82120b_power_on(&client->dev, false);
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pr_debug("%s, ret:%d ad82120b pd pin status = %d\n",
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__func__, ret, gpiod_get_value(ad82120b->reset_pin_desc));
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ad82120b->no_device = 1;
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msleep(20);
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gpiod_put(ad82120b->reset_pin_desc);
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ad82120b->reset_pin_desc = NULL;
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}
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return;
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}
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#if IS_ENABLED(CONFIG_OF)
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