This makes the contents of the cache clearer and fixes incorrect
initialisation of the cache for partially volatile registers.

Signed-off-by: Mark Brown
---
drivers/mfd/wm8350-core.c | 4 ++++
1 files changed, 4 insertions(+), 0 deletions(-)

diff --git a/drivers/mfd/wm8350-core.c b/drivers/mfd/wm8350-core.c
index fbe22fb..0d47fb9 100644
--- a/drivers/mfd/wm8350-core.c
+++ b/drivers/mfd/wm8350-core.c
@@ -183,6 +183,9 @@ static int wm8350_write(struct wm8350 *wm8350, u8 reg, int num_regs, u16 *src)
(wm8350->reg_cache[i] & ~wm8350_reg_io_map[i].writable)
| src[i - reg];

+ /* Don't store volatile bits */
+ wm8350->reg_cache[i] &= ~wm8350_reg_io_map[i].vol;
+
src[i - reg] = cpu_to_be16(src[i - reg]);
}

@@ -1120,6 +1123,7 @@ static int wm8350_create_cache(struct wm8350 *wm8350, int mode)
}
value = be16_to_cpu(value);
value &= wm8350_reg_io_map[i].readable;
+ value &= ~wm8350_reg_io_map[i].vol;
wm8350->reg_cache[i] = value;
} else
wm8350->reg_cache[i] = reg_map[i];
--
1.5.6.5

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