This patch is the portion of the audio-related setup that relies additionally
on the latest Tegra I2C driver being merged.
* Define platform data for WM8903 audio codec
* Register WM8903 as an I2C device
Signed-off-by: Stephen Warren <swarren@xxxxxxxxxx>
---
arch/arm/mach-tegra/board-harmony.c | 23 +++++++++++++++++++++++
1 files changed, 23 insertions(+), 0 deletions(-)
diff --git a/arch/arm/mach-tegra/board-harmony.c b/arch/arm/mach-tegra/board-harmony.c
index 17262b4..d002d16 100644
--- a/arch/arm/mach-tegra/board-harmony.c
+++ b/arch/arm/mach-tegra/board-harmony.c
@@ -27,6 +27,8 @@
#include <linux/i2c-tegra.h>
#include <linux/gpio.h>
+#include <sound/wm8903.h>
+
#include <asm/mach-types.h>
#include <asm/mach/arch.h>
#include <asm/mach/time.h>
@@ -81,6 +83,25 @@ static struct tegra_i2c_platform_data harmony_dvc_platform_data = {
.bus_clk_rate = 400000,
};
+static struct wm8903_platform_data harmony_wm8903_pdata = {
+ .irq_active_low = 0,
+ .micdet_cfg = 0,
+ .micdet_delay = 100,
+ .gpio_cfg = {
+ WM8903_GPIO_NO_CONFIG,
+ WM8903_GPIO_NO_CONFIG,
+ 0,
+ WM8903_GPIO_NO_CONFIG,
+ WM8903_GPIO_NO_CONFIG,
+ },
+};
+
+static struct i2c_board_info __initdata wm8903_board_info = {
+ I2C_BOARD_INFO("wm8903", 0x1a),
+ .platform_data = &harmony_wm8903_pdata,
+ .irq = TEGRA_GPIO_TO_IRQ(TEGRA_GPIO_CDC_IRQ),
+};
+
static void harmony_i2c_init(void)
{
tegra_i2c_device1.dev.platform_data = &harmony_i2c1_platform_data;
@@ -92,6 +113,8 @@ static void harmony_i2c_init(void)
platform_device_register(&tegra_i2c_device2);
platform_device_register(&tegra_i2c_device3);
platform_device_register(&tegra_i2c_device4);
+
+ i2c_register_board_info(0, &wm8903_board_info, 1);
}
static struct harmony_audio_platform_data harmony_audio_pdata = {
--
1.7.1
--
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