Technically, we need to request and configure the GPIO used as the WM8903 interrupt. This prevents conflicting registrations, and assures that the GPIO is correctly configured in all cases, e.g. if the bootloader left the GPIO in some unexpected state.
In practice, the previous code works as-is, at least when using ChromeOS's U-Boot as the boot-loader. Signed-off-by: Stephen Warren <[email protected]> --- arch/arm/mach-tegra/board-harmony.c | 3 +++ 1 files changed, 3 insertions(+), 0 deletions(-) diff --git a/arch/arm/mach-tegra/board-harmony.c b/arch/arm/mach-tegra/board-harmony.c index 846cd7d..e4548a5 100644 --- a/arch/arm/mach-tegra/board-harmony.c +++ b/arch/arm/mach-tegra/board-harmony.c @@ -109,6 +109,9 @@ static void __init harmony_i2c_init(void) platform_device_register(&tegra_i2c_device3); platform_device_register(&tegra_i2c_device4); + gpio_request(TEGRA_GPIO_CDC_IRQ, "wm8903"); + gpio_direction_input(TEGRA_GPIO_CDC_IRQ); + i2c_register_board_info(0, &wm8903_board_info, 1); } -- 1.7.0.4 -- To unsubscribe from this list: send the line "unsubscribe linux-tegra" in the body of a message to [email protected] More majordomo info at http://vger.kernel.org/majordomo-info.html
