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Message-Id: <1515990087-11598-4-git-send-email-nicoleotsuka@gmail.com>
Date: Sun, 14 Jan 2018 20:21:13 -0800
From: Nicolin Chen <nicoleotsuka@...il.com>
To: timur@...i.org, broonie@...nel.org, mail@...iej.szmigiero.name
Cc: linux-kernel@...r.kernel.org, linuxppc-dev@...ts.ozlabs.org,
alsa-devel@...a-project.org, lgirdwood@...il.com,
fabio.estevam@....com, caleb@...me.org, arnaud.mouiche@...oxia.com,
lukma@...x.de, kernel@...gutronix.de
Subject: [PATCH v3 03/17] ASoC: fsl_ssi: Clean up set_dai_tdm_slot()
This patch replaces the register read with ssi->i2s_net for
simplification. It also removes masking SSIEN from scr value
since it's handled later by regmap_update_bits() to set this
scr value back.
Signed-off-by: Nicolin Chen <nicoleotsuka@...il.com>
Tested-by: Caleb Crome <caleb@...me.org>
---
sound/soc/fsl/fsl_ssi.c | 7 ++-----
1 file changed, 2 insertions(+), 5 deletions(-)
diff --git a/sound/soc/fsl/fsl_ssi.c b/sound/soc/fsl/fsl_ssi.c
index 9847a1d..8984ee2 100644
--- a/sound/soc/fsl/fsl_ssi.c
+++ b/sound/soc/fsl/fsl_ssi.c
@@ -1055,9 +1055,7 @@ static int fsl_ssi_set_dai_tdm_slot(struct snd_soc_dai *dai, u32 tx_mask,
}
/* The slot number should be >= 2 if using Network mode or I2S mode */
- regmap_read(regs, REG_SSI_SCR, &val);
- val &= SSI_SCR_I2S_MODE_MASK | SSI_SCR_NET;
- if (val && slots < 2) {
+ if (ssi->i2s_net && slots < 2) {
dev_err(dai->dev, "slot number should be >= 2 in I2S or NET\n");
return -EINVAL;
}
@@ -1067,9 +1065,8 @@ static int fsl_ssi_set_dai_tdm_slot(struct snd_soc_dai *dai, u32 tx_mask,
regmap_update_bits(regs, REG_SSI_SRCCR,
SSI_SxCCR_DC_MASK, SSI_SxCCR_DC(slots));
- /* Save SSIEN bit of the SCR register */
+ /* Save the SCR register value */
regmap_read(regs, REG_SSI_SCR, &val);
- val &= SSI_SCR_SSIEN;
/* Temporarily enable SSI to allow SxMSKs to be configurable */
regmap_update_bits(regs, REG_SSI_SCR, SSI_SCR_SSIEN, SSI_SCR_SSIEN);
--
2.7.4
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