linux-kernel - [PATCH v1 07/15] ASoC: fsl_ssi: Clean up fsl_ssi_setup

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Date:   Tue, 19 Dec 2017 09:00:11 -0800
From:   Nicolin Chen <nicoleotsuka@...il.com>
To:     timur@...i.org, broonie@...nel.org
Cc:     linux-kernel@...r.kernel.org, linuxppc-dev@...ts.ozlabs.org,
        alsa-devel@...a-project.org, lgirdwood@...il.com,
        fabio.estevam@....com, mail@...iej.szmigiero.name, caleb@...me.org,
        arnaud.mouiche@...oxia.com, lukma@...x.de, kernel@...gutronix.de
Subject: [PATCH v1 07/15] ASoC: fsl_ssi: Clean up fsl_ssi_setup_regvals()

This patch cleans fsl_ssi_setup_regvals() by following changes:
1) Moving DBG bits to the first lines.
2) Setting SSIE, RE/TE as default and cleaning it for AC97

Signed-off-by: Nicolin Chen <nicoleotsuka@...il.com>
---
 sound/soc/fsl/fsl_ssi.c | 17 ++++++-----------
 1 file changed, 6 insertions(+), 11 deletions(-)

diff --git a/sound/soc/fsl/fsl_ssi.c b/sound/soc/fsl/fsl_ssi.c
index 2d9d81d..64a0d33 100644
--- a/sound/soc/fsl/fsl_ssi.c
+++ b/sound/soc/fsl/fsl_ssi.c
@@ -570,18 +570,16 @@ static void fsl_ssi_setup_regvals(struct fsl_ssi *ssi)
 {
 	struct fsl_ssi_regvals *vals = ssi->regvals;
 
-	vals[RX].sier = SSI_SIER_RFF0_EN;
+	vals[RX].sier = SSI_SIER_RFF0_EN | FSLSSI_SIER_DBG_RX_FLAGS;
 	vals[RX].srcr = SSI_SRCR_RFEN0;
-	vals[RX].scr = 0;
-	vals[TX].sier = SSI_SIER_TFE0_EN;
+	vals[RX].scr = SSI_SCR_SSIEN | SSI_SCR_RE;
+	vals[TX].sier = SSI_SIER_TFE0_EN | FSLSSI_SIER_DBG_TX_FLAGS;
 	vals[TX].stcr = SSI_STCR_TFEN0;
-	vals[TX].scr = 0;
+	vals[TX].scr = SSI_SCR_SSIEN | SSI_SCR_TE;
 
 	/* AC97 has already enabled SSIEN, RE and TE, so ignore them */
-	if (!fsl_ssi_is_ac97(ssi)) {
-		vals[RX].scr = SSI_SCR_SSIEN | SSI_SCR_RE;
-		vals[TX].scr = SSI_SCR_SSIEN | SSI_SCR_TE;
-	}
+	if (fsl_ssi_is_ac97(ssi))
+		vals[RX].scr = vals[TX].scr = 0;
 
 	if (ssi->use_dma) {
 		vals[RX].sier |= SSI_SIER_RDMAE;
@@ -590,9 +588,6 @@ static void fsl_ssi_setup_regvals(struct fsl_ssi *ssi)
 		vals[RX].sier |= SSI_SIER_RIE;
 		vals[TX].sier |= SSI_SIER_TIE;
 	}
-
-	vals[RX].sier |= FSLSSI_SIER_DBG_RX_FLAGS;
-	vals[TX].sier |= FSLSSI_SIER_DBG_TX_FLAGS;
 }
 
 static void fsl_ssi_setup_ac97(struct fsl_ssi *ssi)
-- 
2.7.4