ASoC: Intel: bytcht_es8316: Switch to use gpiod_get_optional()

First of all, replace indexed API by plain one since we have index 0.
Second, switch to optional variant and drop duplicated code.

Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Link: https://lore.kernel.org/r/20211006150428.16434-3-andriy.shevchenko@linux.intel.com
Signed-off-by: Mark Brown <broonie@kernel.org>

diff --git a/sound/soc/intel/boards/bytcht_es8316.c b/sound/soc/intel/boards/bytcht_es8316.c
index efd71e6..421a04d 100644 (file)
--- a/sound/soc/intel/boards/bytcht_es8316.c
+++ b/sound/soc/intel/boards/bytcht_es8316.c
@@ -566,16 +566,12 @@ static int snd_byt_cht_es8316_mc_probe(struct platform_device *pdev)
 
        devm_acpi_dev_add_driver_gpios(codec_dev, byt_cht_es8316_gpios);
        priv->speaker_en_gpio =
-               gpiod_get_index(codec_dev, "speaker-enable", 0,
-                               /* see comment in byt_cht_es8316_resume */
-                               GPIOD_OUT_LOW | GPIOD_FLAGS_BIT_NONEXCLUSIVE);
-
+               gpiod_get_optional(codec_dev, "speaker-enable",
+                                  /* see comment in byt_cht_es8316_resume() */
+                                  GPIOD_OUT_LOW | GPIOD_FLAGS_BIT_NONEXCLUSIVE);
        if (IS_ERR(priv->speaker_en_gpio)) {
                ret = PTR_ERR(priv->speaker_en_gpio);
                switch (ret) {
-               case -ENOENT:
-                       priv->speaker_en_gpio = NULL;
-                       break;
                default:
                        dev_err(dev, "get speaker GPIO failed: %d\n", ret);
                        fallthrough;