diff options
Diffstat (limited to 'sound/soc/codecs/wcd938x.c')
| -rw-r--r-- | sound/soc/codecs/wcd938x.c | 27 |
1 files changed, 27 insertions, 0 deletions
diff --git a/sound/soc/codecs/wcd938x.c b/sound/soc/codecs/wcd938x.c index 9ae65cbabb1a..782877db8c3c 100644 --- a/sound/soc/codecs/wcd938x.c +++ b/sound/soc/codecs/wcd938x.c @@ -6,6 +6,7 @@ #include <linux/platform_device.h> #include <linux/device.h> #include <linux/delay.h> +#include <linux/gpio/consumer.h> #include <linux/kernel.h> #include <linux/pm_runtime.h> #include <linux/component.h> @@ -194,6 +195,7 @@ struct wcd938x_priv { int ear_rx_path; int variant; int reset_gpio; + struct gpio_desc *us_euro_gpio; u32 micb1_mv; u32 micb2_mv; u32 micb3_mv; @@ -4199,6 +4201,22 @@ static void wcd938x_dt_parse_micbias_info(struct device *dev, struct wcd938x_pri dev_info(dev, "%s: Micbias4 DT property not found\n", __func__); } +static bool wcd938x_swap_gnd_mic(struct snd_soc_component *component, bool active) +{ + int value; + + struct wcd938x_priv *wcd938x; + + wcd938x = snd_soc_component_get_drvdata(component); + + value = gpiod_get_value(wcd938x->us_euro_gpio); + + gpiod_set_value(wcd938x->us_euro_gpio, !value); + + return true; +} + + static int wcd938x_populate_dt_data(struct wcd938x_priv *wcd938x, struct device *dev) { struct wcd_mbhc_config *cfg = &wcd938x->mbhc_cfg; @@ -4211,6 +4229,15 @@ static int wcd938x_populate_dt_data(struct wcd938x_priv *wcd938x, struct device return wcd938x->reset_gpio; } + wcd938x->us_euro_gpio = devm_gpiod_get_optional(dev, "us-euro", + GPIOD_OUT_LOW); + if (IS_ERR(wcd938x->us_euro_gpio)) { + dev_err(dev, "us-euro swap Control GPIO not found\n"); + return PTR_ERR(wcd938x->us_euro_gpio); + } + + cfg->swap_gnd_mic = wcd938x_swap_gnd_mic; + wcd938x->supplies[0].supply = "vdd-rxtx"; wcd938x->supplies[1].supply = "vdd-io"; wcd938x->supplies[2].supply = "vdd-buck"; |