Convert gpio api's to gpio descriptor api's in CTIA/OMTP switch control. Remove redundant NULL checks in swap_gnd_mic function.

Fixes: 013cc2aea0f6 ("ASoC: codec: wcd938x: Add switch control for selecting CTIA/OMTP Headset")

Signed-off-by: Srinivasa Rao Mandadapu quic_srivasam@quicinc.com Co-developed-by: Venkata Prasad Potturu quic_potturu@quicinc.com Signed-off-by: Venkata Prasad Potturu quic_potturu@quicinc.com --- sound/soc/codecs/wcd938x.c | 33 +++++++++++---------------------- 1 file changed, 11 insertions(+), 22 deletions(-)

diff --git a/sound/soc/codecs/wcd938x.c b/sound/soc/codecs/wcd938x.c index 08d16a9..88a39e1 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> @@ -194,7 +195,7 @@ struct wcd938x_priv { int ear_rx_path; int variant; int reset_gpio; - int us_euro_gpio; + struct gpio_desc *us_euro_gpio; u32 micb1_mv; u32 micb2_mv; u32 micb3_mv; @@ -4203,22 +4204,11 @@ static bool wcd938x_swap_gnd_mic(struct snd_soc_component *component, bool activ

struct wcd938x_priv *wcd938x;

- if (!component) { - dev_err(component->dev, "%s component is NULL\n", __func__); - return false; - } - wcd938x = snd_soc_component_get_drvdata(component); - if (!wcd938x) { - dev_err(component->dev, "%s private data is NULL\n", __func__); - return false; - }

- value = gpio_get_value(wcd938x->us_euro_gpio); + value = gpiod_get_value(wcd938x->us_euro_gpio);

- gpio_set_value(wcd938x->us_euro_gpio, !value); - /* 20us sleep required after changing the gpio state*/ - usleep_range(20, 30); + gpiod_set_value(wcd938x->us_euro_gpio, !value);

return true; } @@ -4236,16 +4226,15 @@ static int wcd938x_populate_dt_data(struct wcd938x_priv *wcd938x, struct device return wcd938x->reset_gpio; }

- wcd938x->us_euro_gpio = of_get_named_gpio(dev->of_node, "us-euro-gpios", 0); - if (wcd938x->us_euro_gpio < 0) { - dev_err(dev, "Failed to get us-euro-gpios gpio: err = %d\n", wcd938x->us_euro_gpio); - } else { - cfg->swap_gnd_mic = wcd938x_swap_gnd_mic; - gpio_direction_output(wcd938x->us_euro_gpio, 0); - /* 20us sleep required after pulling the reset gpio to LOW */ - usleep_range(20, 30); + 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";