On 07/17/2013 11:57 AM, Mark Brown wrote:
On Wed, Jul 17, 2013 at 11:01:30AM -0600, Stephen Warren wrote:
On 07/17/2013 02:30 AM, Mark Brown wrote:
select SND_SOC_TEGRA20_I2S if ARCH_TEGRA_2x_SOC -select SND_SOC_TEGRA30_I2S if ARCH_TEGRA_3x_SOC + select SND_SOC_TEGRA20_I2S + select SND_SOC_TEGRA30_I2S
But then, it won't be possible to disable support for older SoCs, since simply enabling a machine driver that might support Tegra20 would force ASoC support for Tegra20 to be enabled, even if the user only cares about Tegra30.
So how do they disable the core support for the older SoCs with the new model?
They don't; the core support is so small it's not worth having the ifdefs in it; just a few K. As such, it seems simpler to just always compile in the core support, and remove the need for all the ifdef nests in mach-tegra/. The bulk of the differences are different drivers for different chips.