diff options
Diffstat (limited to 'drivers/mfd/wcd934x-regmap.c')
| -rw-r--r-- | drivers/mfd/wcd934x-regmap.c | 13 |
1 files changed, 13 insertions, 0 deletions
diff --git a/drivers/mfd/wcd934x-regmap.c b/drivers/mfd/wcd934x-regmap.c index 7f16f1f3f417..398f0086537a 100644 --- a/drivers/mfd/wcd934x-regmap.c +++ b/drivers/mfd/wcd934x-regmap.c @@ -1815,6 +1815,8 @@ static bool wcd934x_is_readable_register(struct device *dev, unsigned int reg) pg_num = reg >> 0x8; if (pg_num == 0x80) pg_num = WCD934X_PAGE_0X80; + else if (pg_num == 0x50) + pg_num = WCD934X_PAGE_0x50; else if (pg_num > 0xF) return false; @@ -1835,6 +1837,8 @@ static bool wcd934x_is_volatile_register(struct device *dev, unsigned int reg) pg_num = reg >> 0x8; if (pg_num == 0x80) pg_num = WCD934X_PAGE_0X80; + else if (pg_num == 0x50) + pg_num = WCD934X_PAGE_0x50; else if (pg_num > 0xF) return false; @@ -1844,6 +1848,15 @@ static bool wcd934x_is_volatile_register(struct device *dev, unsigned int reg) if (reg_tbl && reg_tbl[reg_offset] == WCD934X_READ) return true; + /* + * Need to mark volatile for registers that are writable but + * only few bits are read-only + */ + switch (reg) { + case WCD934X_CPE_SS_SOC_SW_COLLAPSE_CTL: + return true; + } + return false; } |