ASoC: codecs: wcd938x: 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-v1-16-0d15885b2a06@linaro.org
Signed-off-by: Mark Brown <broonie@kernel.org>

diff --git a/sound/soc/codecs/wcd938x.c b/sound/soc/codecs/wcd938x.c
index 73387152ce02bd9cf3290129dd9b520d893c5059..124c18712422ea1138b267b10153b716e7d40a39 100644 (file)
--- a/sound/soc/codecs/wcd938x.c
+++ b/sound/soc/codecs/wcd938x.c
@@ -221,7 +221,7 @@ struct wcd938x_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, WCD938X_ANA_MBHC_MECH, 0x80),
        WCD_MBHC_FIELD(WCD_MBHC_GND_DET_EN, WCD938X_ANA_MBHC_MECH, 0x40),
        WCD_MBHC_FIELD(WCD_MBHC_MECH_DETECTION_TYPE, WCD938X_ANA_MBHC_MECH, 0x20),
@@ -3027,7 +3027,7 @@ static irqreturn_t wcd938x_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 = "WCD938x",
 };