[PATCH 5/7] ASoC: Samsung: neo1973: Use gpio_request_array to request gpios

From: Lars-Peter Clausen
Date: Sun Feb 06 2011 - 18:03:48 EST


Using gpio_request_array instead of requesting and setting up each gpio by hand
makes the code more readable and more compact.

Signed-off-by: Lars-Peter Clausen <lars@xxxxxxxxxx>
---
sound/soc/samsung/neo1973_gta02_wm8753.c | 36 +++++++----------------------
1 files changed, 9 insertions(+), 27 deletions(-)

diff --git a/sound/soc/samsung/neo1973_gta02_wm8753.c b/sound/soc/samsung/neo1973_gta02_wm8753.c
index b007dd79..62d2f39 100644
--- a/sound/soc/samsung/neo1973_gta02_wm8753.c
+++ b/sound/soc/samsung/neo1973_gta02_wm8753.c
@@ -370,6 +370,11 @@ static struct snd_soc_card neo1973_gta02 = {
.num_links = ARRAY_SIZE(neo1973_gta02_dai),
};

+static const struct gpio neo1973_gta02_gpios[] = {
+ { GTA02_GPIO_HP_IN, GPIOF_OUT_INIT_HIGH, "GTA02_HP_IN" },
+ { GTA02_GPIO_AMP_SHUT, GPIOF_OUT_INIT_HIGH, "GTA02_AMP_SHUT" },
+};
+
static struct platform_device *neo1973_gta02_snd_device;

static int __init neo1973_gta02_init(void)
@@ -397,37 +402,15 @@ static int __init neo1973_gta02_init(void)
if (ret)
goto err_unregister_dai;

- /* Initialise GPIOs used by amp */
- ret = gpio_request(GTA02_GPIO_HP_IN, "GTA02_HP_IN");
+ ret = gpio_request_array(neo1973_gta02_gpios,
+ ARRAY_SIZE(neo1973_gta02_gpios));
if (ret) {
- pr_err("gta02_wm8753: Failed to register GPIO %d\n", GTA02_GPIO_HP_IN);
+ pr_err("gta02_wm8753: Failed to request gpio\n");
goto err_del_device;
}

- ret = gpio_direction_output(GTA02_GPIO_HP_IN, 1);
- if (ret) {
- pr_err("gta02_wm8753: Failed to configure GPIO %d\n", GTA02_GPIO_HP_IN);
- goto err_free_gpio_hp_in;
- }
-
- ret = gpio_request(GTA02_GPIO_AMP_SHUT, "GTA02_AMP_SHUT");
- if (ret) {
- pr_err("gta02_wm8753: Failed to register GPIO %d\n", GTA02_GPIO_AMP_SHUT);
- goto err_free_gpio_hp_in;
- }
-
- ret = gpio_direction_output(GTA02_GPIO_AMP_SHUT, 1);
- if (ret) {
- pr_err("gta02_wm8753: Failed to configure GPIO %d\n", GTA02_GPIO_AMP_SHUT);
- goto err_free_gpio_amp_shut;
- }
-
return 0;

-err_free_gpio_amp_shut:
- gpio_free(GTA02_GPIO_AMP_SHUT);
-err_free_gpio_hp_in:
- gpio_free(GTA02_GPIO_HP_IN);
err_del_device:
platform_device_del(neo1973_gta02_snd_device);
err_unregister_dai:
@@ -440,10 +423,9 @@ module_init(neo1973_gta02_init);

static void __exit neo1973_gta02_exit(void)
{
+ gpio_free_array(neo1973_gta02_gpios, ARRAY_SIZE(neo1973_gta02_gpios));
snd_soc_unregister_dai(&neo1973_gta02_snd_device->dev);
platform_device_unregister(neo1973_gta02_snd_device);
- gpio_free(GTA02_GPIO_HP_IN);
- gpio_free(GTA02_GPIO_AMP_SHUT);
}
module_exit(neo1973_gta02_exit);

--
1.7.2.3

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