linux-kernel - [PATCH] ASoC: codecs: ad193x: Use regmap_multi_reg

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Date:   Wed, 10 Jul 2019 13:51:19 +0300
From:   Codrin Ciubotariu <codrin.ciubotariu@...rochip.com>
To:     <alsa-devel@...a-project.org>, <linux-kernel@...r.kernel.org>
CC:     <lars@...afoo.de>, <lgirdwood@...il.com>, <broonie@...nel.org>,
        <perex@...ex.cz>, <tiwai@...e.com>,
        Codrin Ciubotariu <codrin.ciubotariu@...rochip.com>,
        Tzung-Bi Shih <tzungbi@...gle.com>
Subject: [PATCH] ASoC: codecs: ad193x: Use regmap_multi_reg_write() when initializing

Using regmap_multi_reg_write() when we set the default values for our
registers makes the code smaller and easier to read.

Suggested-by: Tzung-Bi Shih <tzungbi@...gle.com>
Signed-off-by: Codrin Ciubotariu <codrin.ciubotariu@...rochip.com>
---
 sound/soc/codecs/ad193x.c | 19 +++++--------------
 1 file changed, 5 insertions(+), 14 deletions(-)

diff --git a/sound/soc/codecs/ad193x.c b/sound/soc/codecs/ad193x.c
index 80dab5df9633..fb04c9379b71 100644
--- a/sound/soc/codecs/ad193x.c
+++ b/sound/soc/codecs/ad193x.c
@@ -413,15 +413,10 @@ static struct snd_soc_dai_driver ad193x_no_adc_dai = {
 	.ops = &ad193x_dai_ops,
 };
 
-struct ad193x_reg_default {
-	unsigned int reg;
-	unsigned int val;
-};
-
 /* codec register values to set after reset */
 static void ad193x_reg_default_init(struct ad193x_priv *ad193x)
 {
-	const struct ad193x_reg_default reg_init[] = {
+	const struct reg_sequence reg_init[] = {
 		{  0, 0x99 },	/* PLL_CLK_CTRL0: pll input: mclki/xi 12.288Mhz */
 		{  1, 0x04 },	/* PLL_CLK_CTRL1: no on-chip Vref */
 		{  2, 0x40 },	/* DAC_CTRL0: TDM mode */
@@ -437,21 +432,17 @@ static void ad193x_reg_default_init(struct ad193x_priv *ad193x)
 		{ 12, 0x00 },	/* DAC_L4_VOL: no attenuation */
 		{ 13, 0x00 },	/* DAC_R4_VOL: no attenuation */
 	};
-	const struct ad193x_reg_default reg_adc_init[] = {
+	const struct reg_sequence reg_adc_init[] = {
 		{ 14, 0x03 },	/* ADC_CTRL0: high-pass filter enable */
 		{ 15, 0x43 },	/* ADC_CTRL1: sata delay=1, adc aux mode */
 		{ 16, 0x00 },	/* ADC_CTRL2: reset */
 	};
-	int i;
 
-	for (i = 0; i < ARRAY_SIZE(reg_init); i++)
-		regmap_write(ad193x->regmap, reg_init[i].reg, reg_init[i].val);
+	regmap_multi_reg_write(ad193x->regmap, reg_init, ARRAY_SIZE(reg_init));
 
 	if (ad193x_has_adc(ad193x)) {
-		for (i = 0; i < ARRAY_SIZE(reg_adc_init); i++) {
-			regmap_write(ad193x->regmap, reg_adc_init[i].reg,
-				     reg_adc_init[i].val);
-		}
+		regmap_multi_reg_write(ad193x->regmap, reg_adc_init,
+				       ARRAY_SIZE(reg_adc_init));
 	}
 }
 
-- 
2.20.1