linux-kernel - [PATCH 20/23] ASoC: codecs: wcd939x: Constify static data

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Message-Id: <20240612-asoc-wcd9xxx-wide-cleanups-v1-20-0d15885b2a06@linaro.org>
Date: Wed, 12 Jun 2024 18:15:33 +0200
From: Krzysztof Kozlowski <krzysztof.kozlowski@...aro.org>
To: Srinivas Kandagatla <srinivas.kandagatla@...aro.org>, 
 Banajit Goswami <bgoswami@...cinc.com>, Liam Girdwood <lgirdwood@...il.com>, 
 Mark Brown <broonie@...nel.org>, Jaroslav Kysela <perex@...ex.cz>, 
 Takashi Iwai <tiwai@...e.com>
Cc: alsa-devel@...a-project.org, linux-arm-msm@...r.kernel.org, 
 linux-sound@...r.kernel.org, linux-kernel@...r.kernel.org, 
 Krzysztof Kozlowski <krzysztof.kozlowski@...aro.org>
Subject: [PATCH 20/23] ASoC: codecs: wcd939x: Constify static data

Driver does not modify few static data (MBHC reg fields, IRQ chip), so
make them const for code safety.

Signed-off-by: Krzysztof Kozlowski <krzysztof.kozlowski@...aro.org>
---
 sound/soc/codecs/wcd939x.c | 6 +++---
 1 file changed, 3 insertions(+), 3 deletions(-)

diff --git a/sound/soc/codecs/wcd939x.c b/sound/soc/codecs/wcd939x.c
index 72d8a6a35052..1f94f49f9829 100644
--- a/sound/soc/codecs/wcd939x.c
+++ b/sound/soc/codecs/wcd939x.c
@@ -220,7 +220,7 @@ static const SNDRV_CTL_TLVD_DECLARE_DB_MINMAX(ear_pa_gain, 600, -1800);
 static const DECLARE_TLV_DB_SCALE(line_gain, 0, 7, 1);
 static const DECLARE_TLV_DB_SCALE(analog_gain, 0, 25, 1);
 
-static struct wcd_mbhc_field wcd_mbhc_fields[WCD_MBHC_REG_FUNC_MAX] = {
+static const struct wcd_mbhc_field wcd_mbhc_fields[WCD_MBHC_REG_FUNC_MAX] = {
 	WCD_MBHC_FIELD(WCD_MBHC_L_DET_EN, WCD939X_ANA_MBHC_MECH, 0x80),
 	WCD_MBHC_FIELD(WCD_MBHC_GND_DET_EN, WCD939X_ANA_MBHC_MECH, 0x40),
 	WCD_MBHC_FIELD(WCD_MBHC_MECH_DETECTION_TYPE, WCD939X_ANA_MBHC_MECH, 0x20),
@@ -291,7 +291,7 @@ static const struct regmap_irq wcd939x_irqs[WCD939X_NUM_IRQS] = {
 	REGMAP_IRQ_REG(WCD939X_IRQ_HPHR_SURGE_DET_INT, 2, 0x08),
 };
 
-static struct regmap_irq_chip wcd939x_regmap_irq_chip = {
+static const struct regmap_irq_chip wcd939x_regmap_irq_chip = {
 	.name = "wcd939x",
 	.irqs = wcd939x_irqs,
 	.num_irqs = ARRAY_SIZE(wcd939x_irqs),
@@ -2957,7 +2957,7 @@ static irqreturn_t wcd939x_wd_handle_irq(int irq, void *data)
  *     \- regmap_irq_thread()
  *         \- handle_nested_irq(i)
  */
-static struct irq_chip wcd_irq_chip = {
+static const struct irq_chip wcd_irq_chip = {
 	.name = "WCD939x",
 };
 

-- 
2.43.0