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authorBo Shen <voice.shen@atmel.com>2012-11-28 07:46:13 +0400
committerMark Brown <broonie@opensource.wolfsonmicro.com>2012-12-02 08:29:19 +0400
commit3951e4aae2ce7e4593e575e91cbb22f1ba153596 (patch)
treef210f5e34e8172e1d8c5b2aa96db70b9a2d16922 /sound/soc/atmel/atmel-pcm.h
parent92dfa61986237f849bb6ff5190380b3bf69335d2 (diff)
downloadlinux-3951e4aae2ce7e4593e575e91cbb22f1ba153596.tar.xz
ASoC: atmel-pcm: dma support based on pcm dmaengine
Specify overrun bit in interrupt mask Add dmaengine specific routines Signed-off-by: Nicolas Ferre <nicolas.ferre@atmel.com> [voice.shen@atmel.com: adapt to soc dmaengine framework] Signed-off-by: Bo Shen <voice.shen@atmel.com> Signed-off-by: Mark Brown <broonie@opensource.wolfsonmicro.com>
Diffstat (limited to 'sound/soc/atmel/atmel-pcm.h')
-rw-r--r--sound/soc/atmel/atmel-pcm.h14
1 files changed, 14 insertions, 0 deletions
diff --git a/sound/soc/atmel/atmel-pcm.h b/sound/soc/atmel/atmel-pcm.h
index 6bd63b0e95e2..bb45d20e7250 100644
--- a/sound/soc/atmel/atmel-pcm.h
+++ b/sound/soc/atmel/atmel-pcm.h
@@ -52,6 +52,7 @@ struct atmel_pdc_regs {
struct atmel_ssc_mask {
u32 ssc_enable; /* SSC recv/trans enable */
u32 ssc_disable; /* SSC recv/trans disable */
+ u32 ssc_error; /* SSC error conditions */
u32 ssc_endx; /* SSC ENDTX or ENDRX */
u32 ssc_endbuf; /* SSC TXBUFE or RXBUFF */
u32 pdc_enable; /* PDC recv/trans enable */
@@ -100,4 +101,17 @@ static inline void atmel_pcm_pdc_platform_unregister(struct device *dev)
}
#endif
+#ifdef CONFIG_SND_ATMEL_SOC_DMA
+int atmel_pcm_dma_platform_register(struct device *dev);
+void atmel_pcm_dma_platform_unregister(struct device *dev);
+#else
+static inline int atmel_pcm_dma_platform_register(struct device *dev)
+{
+ return 0;
+}
+static inline void atmel_pcm_dma_platform_unregister(struct device *dev)
+{
+}
+#endif
+
#endif /* _ATMEL_PCM_H */