[Sound-open-firmware] [PATCH 1/5] DMIC: Bug fix for IPM value calculation for HW version 2

[Seppo Ingalsuo]

The IPM bit field should be set to the number of used stereo controllers.
This patch fixes the issue that pdm[0] got counted twice.

Signed-off-by: Sathish K. Kuttan <sathish.k.kuttan at intel.com>
---
 src/drivers/dmic.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/src/drivers/dmic.c b/src/drivers/dmic.c
index 97ca8b2..0f55474 100644
--- a/src/drivers/dmic.c
+++ b/src/drivers/dmic.c
@@ -714,7 +714,7 @@ static inline void source_ipm_helper(int source[], int *ipm, int stereo[],
 
 	/* IPM bit field is set to count of active pdm controllers. */
 	*ipm = pdm[0];
-	for (i = 0; i < dmic->num_pdm_active; i++)
+	for (i = 1; i < dmic->num_pdm_active; i++)
 		*ipm += pdm[i];
 }
 #endif
-- 
2.14.1