ASoC: cs42l52: Use case range at appropriate place

The readable registers are in continuous range: 0x01 ~ 0x34.
Use case range syntax makes the code shorter with better readability when
we have a large number of continuous switch cases.
No functional change with this patch.

Signed-off-by: Axel Lin <axel.lin@ingics.com>
Acked-by: Brian Austin <brian.austin@cirrus.com>
Signed-off-by: Mark Brown <broonie@kernel.org>

diff --git a/sound/soc/codecs/cs42l52.c b/sound/soc/codecs/cs42l52.c
index 4de52c9957ac5a53c321b6eef5b805ad199a60b4..02d9f3d35547c4849a2b8a177e7c40ae5fd60428 100644 (file)
--- a/sound/soc/codecs/cs42l52.c
+++ b/sound/soc/codecs/cs42l52.c
@@ -110,58 +110,7 @@ static const struct reg_default cs42l52_reg_defaults[] = {
 static bool cs42l52_readable_register(struct device *dev, unsigned int reg)
 {
        switch (reg) {
-       case CS42L52_CHIP:
-       case CS42L52_PWRCTL1:
-       case CS42L52_PWRCTL2:
-       case CS42L52_PWRCTL3:
-       case CS42L52_CLK_CTL:
-       case CS42L52_IFACE_CTL1:
-       case CS42L52_IFACE_CTL2:
-       case CS42L52_ADC_PGA_A:
-       case CS42L52_ADC_PGA_B:
-       case CS42L52_ANALOG_HPF_CTL:
-       case CS42L52_ADC_HPF_FREQ:
-       case CS42L52_ADC_MISC_CTL:
-       case CS42L52_PB_CTL1:
-       case CS42L52_MISC_CTL:
-       case CS42L52_PB_CTL2:
-       case CS42L52_MICA_CTL:
-       case CS42L52_MICB_CTL:
-       case CS42L52_PGAA_CTL:
-       case CS42L52_PGAB_CTL:
-       case CS42L52_PASSTHRUA_VOL:
-       case CS42L52_PASSTHRUB_VOL:
-       case CS42L52_ADCA_VOL:
-       case CS42L52_ADCB_VOL:
-       case CS42L52_ADCA_MIXER_VOL:
-       case CS42L52_ADCB_MIXER_VOL:
-       case CS42L52_PCMA_MIXER_VOL:
-       case CS42L52_PCMB_MIXER_VOL:
-       case CS42L52_BEEP_FREQ:
-       case CS42L52_BEEP_VOL:
-       case CS42L52_BEEP_TONE_CTL:
-       case CS42L52_TONE_CTL:
-       case CS42L52_MASTERA_VOL:
-       case CS42L52_MASTERB_VOL:
-       case CS42L52_HPA_VOL:
-       case CS42L52_HPB_VOL:
-       case CS42L52_SPKA_VOL:
-       case CS42L52_SPKB_VOL:
-       case CS42L52_ADC_PCM_MIXER:
-       case CS42L52_LIMITER_CTL1:
-       case CS42L52_LIMITER_CTL2:
-       case CS42L52_LIMITER_AT_RATE:
-       case CS42L52_ALC_CTL:
-       case CS42L52_ALC_RATE:
-       case CS42L52_ALC_THRESHOLD:
-       case CS42L52_NOISE_GATE_CTL:
-       case CS42L52_CLK_STATUS:
-       case CS42L52_BATT_COMPEN:
-       case CS42L52_BATT_LEVEL:
-       case CS42L52_SPK_STATUS:
-       case CS42L52_TEM_CTL:
-       case CS42L52_THE_FOLDBACK:
-       case CS42L52_CHARGE_PUMP:
+       case CS42L52_CHIP ... CS42L52_CHARGE_PUMP:
                return true;
        default:
                return false;