| Message ID | 1477302949-28049-6-git-send-email-ckeepax@opensource.wolfsonmicro.com (mailing list archive) |
|---|---|
| State | New, archived |
| Headers | show |
diff --git a/sound/soc/codecs/cs53l30.c b/sound/soc/codecs/cs53l30.c index cb47fb5..b4f0a43 100644 --- a/sound/soc/codecs/cs53l30.c +++ b/sound/soc/codecs/cs53l30.c @@ -89,10 +89,16 @@ static const struct reg_default cs53l30_reg_defaults[] = { static bool cs53l30_volatile_register(struct device *dev, unsigned int reg) { - if (reg == CS53L30_IS) + switch (reg) { + case CS53L30_DEVID_AB: + case CS53L30_DEVID_CD: + case CS53L30_DEVID_E: + case CS53L30_REVID: + case CS53L30_IS: return true; - else + default: return false; + } } static bool cs53l30_writeable_register(struct device *dev, unsigned int reg)
Mark the chip ID registers as volatile, the current code does work as without a default value regmap will read from the hardware the first time, however, this makes it more explicit that this register should be read from the hardware. Signed-off-by: Charles Keepax <ckeepax@opensource.wolfsonmicro.com> --- sound/soc/codecs/cs53l30.c | 10 ++++++++-- 1 file changed, 8 insertions(+), 2 deletions(-)