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mfd: wm5102: Mark register write sequencer control 3 readable

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During init the core checks if the wm5102 has finished starting by reading
register 0x19 and looking at the value. This read always fails since this
is not a readable register, mark it as being one. While we're at it provide
a constant for the register name (as supplied by Charles Keepax).

Signed-off-by: Mark Brown <[email protected]>
Signed-off-by: Charles Keepax <[email protected]>
Signed-off-by: Lee Jones <[email protected]>
This commit is contained in:
Mark Brown 2014-08-13 11:42:46 +01:00 • committed by Lee Jones
commit 48018943eb
3 changed files with 4 additions and 1 deletions
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3
drivers/mfd/arizona-core.c
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@ -784,7 +784,8 @@ int arizona_dev_init(struct arizona *arizona)
/* Ensure device startup is complete */
switch (arizona->type) {
case WM5102:
ret = regmap_read(arizona->regmap, 0x19, &val);
ret = regmap_read(arizona->regmap,
ARIZONA_WRITE_SEQUENCER_CTRL_3, &val);
if (ret != 0)
dev_err(dev,
"Failed to check write sequencer state: %d\n",

1
drivers/mfd/wm5102-tables.c
View file

@ -1017,6 +1017,7 @@ static bool wm5102_readable_register(struct device *dev, unsigned int reg)
case ARIZONA_WRITE_SEQUENCER_CTRL_0:
case ARIZONA_WRITE_SEQUENCER_CTRL_1:
case ARIZONA_WRITE_SEQUENCER_CTRL_2:
case ARIZONA_WRITE_SEQUENCER_CTRL_3:
case ARIZONA_WRITE_SEQUENCER_PROM:
case ARIZONA_TONE_GENERATOR_1:
case ARIZONA_TONE_GENERATOR_2: