[alsa-devel] [PATCH v2 1/2] ASoC: SOF: add flag for position update ipc

Keyon Jie yang.jie at linux.intel.com
Wed Jul 3 17:10:22 CEST 2019


From: Marcin Rajwa <marcin.rajwa at linux.intel.com>

In some cases, FW might need use the host_period_bytes even no position
update ipc reqiured from driver, here add another flag for position update,
and preserve host_period_bytes for FW to use.

This might require corresponding FW change and ABI alignment.

Signed-off-by: Marcin Rajwa <marcin.rajwa at linux.intel.com>
Signed-off-by: Keyon Jie <yang.jie at linux.intel.com>
---
 include/sound/sof/stream.h | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/include/sound/sof/stream.h b/include/sound/sof/stream.h
index 643f175cb479..44acfa62fa69 100644
--- a/include/sound/sof/stream.h
+++ b/include/sound/sof/stream.h
@@ -83,10 +83,10 @@ struct sof_ipc_stream_params {
 	uint16_t sample_valid_bytes;
 	uint16_t sample_container_bytes;
 
-	/* for notifying host period has completed - 0 means no period IRQ */
 	uint32_t host_period_bytes;
+	uint16_t no_period_irq; /* 1 means period IRQ mode OFF */
 
-	uint32_t reserved[2];
+	uint16_t reserved[3];
 	uint16_t chmap[SOF_IPC_MAX_CHANNELS];	/**< channel map - SOF_CHMAP_ */
 } __packed;
 
-- 
2.20.1



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