ASoC: codecs: wcd937x: 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@linaro.org>
Link: https://msgid.link/r/20240612-asoc-wcd9xxx-wide-cleanups-v1-11-0d15885b2a06@linaro.org
Signed-off-by: Mark Brown <broonie@kernel.org>

diff --git a/sound/soc/codecs/wcd937x.c b/sound/soc/codecs/wcd937x.c
index ef649ed77fb25110a8f3a367509a32e6ad7b8728..4cf17d62a0bccd9fccf2e246f28f4efe3e51c02a 100644 (file)
--- a/sound/soc/codecs/wcd937x.c
+++ b/sound/soc/codecs/wcd937x.c
@@ -133,7 +133,7 @@ struct wcd937x_mbhc_zdet_param {
        u16 btn7;
 };
 
-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, WCD937X_ANA_MBHC_MECH, 0x80),
        WCD_MBHC_FIELD(WCD_MBHC_GND_DET_EN, WCD937X_ANA_MBHC_MECH, 0x40),
        WCD_MBHC_FIELD(WCD_MBHC_MECH_DETECTION_TYPE, WCD937X_ANA_MBHC_MECH, 0x20),
@@ -227,7 +227,7 @@ static const u32 wcd937x_config_regs[] = {
        WCD937X_DIGITAL_INTR_LEVEL_0,
 };
 
-static struct regmap_irq_chip wcd937x_regmap_irq_chip = {
+static const struct regmap_irq_chip wcd937x_regmap_irq_chip = {
        .name = "wcd937x",
        .irqs = wcd937x_irqs,
        .num_irqs = ARRAY_SIZE(wcd937x_irqs),
@@ -2503,7 +2503,7 @@ static irqreturn_t wcd937x_wd_handle_irq(int irq, void *data)
        return IRQ_HANDLED;
 }
 
-static struct irq_chip wcd_irq_chip = {
+static const struct irq_chip wcd_irq_chip = {
        .name = "WCD937x",
 };