Title: [8972] trunk/sound/soc/blackfin/bf5xx-ad183x.c: [#6077] ASoC: set ad1836 reset on bf561-ezkit to high before using it
- Revision
- 8972
- Author
- bhsong
- Date
- 2010-07-06 03:27:27 -0400 (Tue, 06 Jul 2010)
Log Message
[#6077] ASoC: set ad1836 reset on bf561-ezkit to high before using it
Modified Paths
Diff
Modified: trunk/sound/soc/blackfin/bf5xx-ad183x.c (8971 => 8972)
--- trunk/sound/soc/blackfin/bf5xx-ad183x.c 2010-07-05 19:04:40 UTC (rev 8971)
+++ trunk/sound/soc/blackfin/bf5xx-ad183x.c 2010-07-06 07:27:27 UTC (rev 8972)
@@ -17,6 +17,7 @@
#include <linux/module.h>
#include <linux/moduleparam.h>
#include <linux/device.h>
+#include <linux/gpio.h>
#include <sound/core.h>
#include <sound/pcm.h>
#include <sound/soc.h>
@@ -96,6 +97,16 @@
{
int ret;
+#ifdef CONFIG_BFIN561_EZKIT
+ ret = gpio_request(GPIO_PF15, "ad1836-rst");
+ if (ret) {
+ printk(KERN_ERR "could not get ad1836 reset gpio\n");
+ goto out;
+ } else {
+ gpio_direction_output(GPIO_PF15, 1);
+ }
+#endif
+
bfxx_ad183x_snd_device = platform_device_alloc("soc-audio", -1);
if (!bfxx_ad183x_snd_device)
return -ENOMEM;
@@ -107,12 +118,16 @@
if (ret)
platform_device_put(bfxx_ad183x_snd_device);
+out:
return ret;
}
static void __exit bf5xx_ad183x_exit(void)
{
platform_device_unregister(bfxx_ad183x_snd_device);
+#ifdef CONFIG_BFIN561_EZKIT
+ gpio_free(GPIO_PF15);
+#endif
}
module_init(bf5xx_ad183x_init);
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