[s3c24xx] glamo: Implement gpiolib for the glamo. Get rid of glamo-spi-gpio and

use the generic spi-gpio driver instead.


git-svn-id: svn://svn.openwrt.org/openwrt/trunk@17048 3c298f89-4303-0410-b956-a3cf2f4a3e73

1 files changed, 35 insertions, 13 deletions

diff --git a/target/linux/s3c24xx/files-2.6.30/sound/soc/s3c24xx/gta02_wm8753.c b/target/linux/s3c24xx/files-2.6.30/sound/soc/s3c24xx/gta02_wm8753.c
index 1f8f9db9b..5f9ea7e42 100644
--- a/target/linux/s3c24xx/files-2.6.30/sound/soc/s3c24xx/gta02_wm8753.c
+++ b/target/linux/s3c24xx/files-2.6.30/sound/soc/s3c24xx/gta02_wm8753.c
@@ -18,6 +18,7 @@
 #include <linux/timer.h>
 #include <linux/interrupt.h>
 #include <linux/platform_device.h>
+#include <linux/gpio.h>
 #include <sound/core.h>
 #include <sound/pcm.h>
 #include <sound/soc.h>
@@ -28,8 +29,6 @@
 #include <plat/regs-iis.h>
 
 #include <mach/regs-clock.h>
-#include <mach/regs-gpio.h>
-#include <mach/hardware.h>
 #include <asm/io.h>
 #include <mach/regs-gpioj.h>
 #include <mach/gta02.h>
@@ -243,10 +242,10 @@ static int lm4853_set_spk(struct snd_kcontrol *kcontrol,
 
 	if (val) {
 		lm4853_state |= LM4853_SPK;
-		s3c2410_gpio_setpin(GTA02_GPIO_HP_IN, 0);
+		gpio_set_value(GTA02_GPIO_HP_IN, 0);
 	} else {
 		lm4853_state &= ~LM4853_SPK;
-		s3c2410_gpio_setpin(GTA02_GPIO_HP_IN, 1);
+		gpio_set_value(GTA02_GPIO_HP_IN, 1);
 	}
 
 	return 0;
@@ -265,10 +264,10 @@ static int lm4853_event(struct snd_soc_dapm_widget *w,
 			int event)
 {
 	if (SND_SOC_DAPM_EVENT_ON(event))
-		s3c2410_gpio_setpin(GTA02_GPIO_AMP_SHUT, 0);
+		gpio_set_value(GTA02_GPIO_AMP_SHUT, 0);
 
 	if (SND_SOC_DAPM_EVENT_OFF(event))
-		s3c2410_gpio_setpin(GTA02_GPIO_AMP_SHUT, 1);
+		gpio_set_value(GTA02_GPIO_AMP_SHUT, 1);
 
 	return 0;
 }
@@ -449,19 +448,40 @@ static int __init neo1973_gta02_init(void)
 
 	if (ret) {
 		platform_device_put(neo1973_gta02_snd_device);
-		return ret;
+		return 0;
 	}
 
 	/* Initialise GPIOs used by amp */
-	s3c2410_gpio_cfgpin(GTA02_GPIO_HP_IN, S3C2410_GPIO_OUTPUT);
-	s3c2410_gpio_cfgpin(GTA02_GPIO_AMP_SHUT, S3C2410_GPIO_OUTPUT);
+	ret = gpio_request(GTA02_GPIO_HP_IN, "GTA02_HP_IN");
+	if (ret) {
+		pr_err("%s: Failed to register GPIO %d\n", __func__, GTA02_GPIO_HP_IN);
+		goto err_unregister_device;
+	}
 
-	/* Amp off by default */
-	s3c2410_gpio_setpin(GTA02_GPIO_AMP_SHUT, 1);
+	ret = gpio_direction_output(GTA02_GPIO_HP_IN, 1);
+	if (ret) {
+		pr_err("%s: Failed to configure GPIO %d\n", __func__, GTA02_GPIO_HP_IN);
+		goto err_unregister_device;
+	}
 
-	/* Speaker off by default */
-	s3c2410_gpio_setpin(GTA02_GPIO_HP_IN, 1);
+	ret = gpio_request(GTA02_GPIO_AMP_SHUT, "GTA02_AMP_SHUT");
+	if (ret) {
+		pr_err("%s: Failed to register GPIO %d\n", __func__, GTA02_GPIO_AMP_SHUT);
+		goto err_free_gpio_hp_in;
+	}
 
+	ret = gpio_direction_output(GTA02_GPIO_AMP_SHUT, 1);
+	if (ret) {
+		pr_err("%s: Failed to configure GPIO %d\n", __func__, GTA02_GPIO_AMP_SHUT);
+		goto err_free_gpio_hp_in;
+	}
+
+
+	return 0;
+err_free_gpio_hp_in:
+	gpio_free(GTA02_GPIO_HP_IN);
+err_unregister_device:
+	platform_device_unregister(neo1973_gta02_snd_device);
 	return ret;
 }
 module_init(neo1973_gta02_init);
@@ -470,6 +490,8 @@ static void __exit neo1973_gta02_exit(void)
 {
 	snd_soc_unregister_dai(&bt_dai);
 	platform_device_unregister(neo1973_gta02_snd_device);
+	gpio_free(GTA02_GPIO_HP_IN);
+	gpio_free(GTA02_GPIO_AMP_SHUT);
 }
 module_exit(neo1973_gta02_exit);