ASoC: Add platform data for WM1250 EV1 GPIOs

The WM1250 EV1 has some GPIOs which can be used to control the behaviour
at runtime. Request them all if supplied and add a set_bias_level()
function to start and stop the clocks.

Signed-off-by: Mark Brown <broonie@opensource.wolfsonmicro.com>

1 files changed, 27 insertions, 0 deletions

diff --git a/include/sound/wm1250-ev1.h b/include/sound/wm1250-ev1.h
new file mode 100644
index 000000000000..7dff82834123
--- /dev/null
+++ b/include/sound/wm1250-ev1.h
@@ -0,0 +1,27 @@
+/*
+ * linux/sound/wm1250-ev1.h - Platform data for WM1250-EV1
+ *
+ * Copyright 2011 Wolfson Microelectronics. PLC.
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2 as
+ * published by the Free Software Foundation.
+ */
+
+#ifndef __LINUX_SND_WM1250_EV1_H
+#define __LINUX_SND_WM1250_EV1_H
+
+#define WM1250_EV1_NUM_GPIOS 5
+
+#define WM1250_EV1_GPIO_CLK_ENA  0
+#define WM1250_EV1_GPIO_CLK_SEL0 1
+#define WM1250_EV1_GPIO_CLK_SEL1 2
+#define WM1250_EV1_GPIO_OSR      3
+#define WM1250_EV1_GPIO_MASTER   4
+
+
+struct wm1250_ev1_pdata {
+        int gpios[WM1250_EV1_NUM_GPIOS];
+};
+
+#endif