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[PATCHv4,04/20] OMAP: McBSP: Add transmit/receive threshold handler

Message ID 1250509879-6703-5-git-send-email-eduardo.valentin@nokia.com (mailing list archive)
State Awaiting Upstream, archived
Headers show

Commit Message

Eduardo Valentin Aug. 17, 2009, 11:51 a.m. UTC 
From: Eduardo Valentin <eduardo.valentin@nokia.com>

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>
---
 arch/arm/plat-omap/include/mach/mcbsp.h |    9 +++++++++
 1 files changed, 9 insertions(+), 0 deletions(-)
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Patch

diff --git a/arch/arm/plat-omap/include/mach/mcbsp.h b/arch/arm/plat-omap/include/mach/mcbsp.h
index ceaf9ee..2544aa5 100644
--- a/arch/arm/plat-omap/include/mach/mcbsp.h
+++ b/arch/arm/plat-omap/include/mach/mcbsp.h
@@ -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);