[alsa-devel] [PATCH 2/2] ASoC: tlv320dac33: Add support for automatic FIFO configuration

Mark Brown broonie at opensource.wolfsonmicro.com
Tue Jul 27 18:33:31 CEST 2010


On Tue, Jul 27, 2010 at 09:46:17AM +0300, Peter Ujfalusi wrote:
> Platform parameter to enable automatic FIFO configuration when
> the codec is in Mode1 or Mode7 FIFO mode.
> When this mode is selected, the controls for changing
> nSample (in Mode1), and UTHR (in Mode7) are not added.
> The driver configures the FIFO configuration based on
> the stream's period size in a way, that every burst will
> read period size of data from the host.
> In Mode7 we need to use a formula, which gives close enough
> aproximation for the burst length from the host point
> of view.
> 
> Signed-off-by: Peter Ujfalusi <peter.ujfalusi at nokia.com>

Acked-by: Mark Brown <broonie at opensource.wolfsonmicro.com>


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