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OMAP: McBSP: Add transmit/receive threshold handler

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This patch adds a way to handle transmit/receive threshold.
It export to mcbsp users a callback registration procedure.

Signed-off-by: Eduardo Valentin <eduardo.valentin@nokia.com>
Acked-by: Tony Lindgren <tony@atomide.com>
Signed-off-by: Mark Brown <broonie@opensource.wolfsonmicro.com>
This commit is contained in:
Eduardo Valentin
2009-08-20 16:18:10 +03:00
committed by Mark Brown
parent 44a6311c0a
commit 7aa9ff56ca
2 changed files with 59 additions and 0 deletions
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9
arch/arm/plat-omap/include/mach/mcbsp.h
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@@ -389,6 +389,15 @@ int omap_mcbsp_init(void);
void omap_mcbsp_register_board_cfg(struct omap_mcbsp_platform_data *config,
int size);
void omap_mcbsp_config(unsigned int id, const struct omap_mcbsp_reg_cfg * config);
#ifdef CONFIG_ARCH_OMAP34XX
void omap_mcbsp_set_tx_threshold(unsigned int id, u16 threshold);
void omap_mcbsp_set_rx_threshold(unsigned int id, u16 threshold);
#else
static inline void omap_mcbsp_set_tx_threshold(unsigned int id, u16 threshold)
{ }
static inline void omap_mcbsp_set_rx_threshold(unsigned int id, u16 threshold)
{ }
#endif
int omap_mcbsp_request(unsigned int id);
void omap_mcbsp_free(unsigned int id);
void omap_mcbsp_start(unsigned int id, int tx, int rx);