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pinctrl: sx150x: handle missing 'advanced' reg in sx1504 and sx1505

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This fixes a problem where sx150x_regmap_reg_width() returns 8 for the
data register (reg 0) for sx1504 where it should return 4, and return
a correct 8 for sx1505 but for the wrong reason (both chips lack the
'advanced' register). This is not a real problem, since nothing depends
on the function returning 4 or 8, and certainly not if it is returning
8 for the wrong reason. But fix this to avoid nasty surprises down the
line.

Signed-off-by: Peter Rosin <peda@axentia.se>
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
This commit is contained in:
Peter Rosin 2016-12-02 11:51:16 +01:00 committed by Linus Walleij
parent c9d26f1aab
commit 283dc0be75
1 changed files with 1 additions and 0 deletions
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drivers/pinctrl/pinctrl-sx150x.c
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@ -967,6 +967,7 @@ static int sx150x_regmap_reg_width(struct sx150x_pinctrl *pctl,
reg == data->pri.x123.reg_advanced)
||
(data->model == SX150X_456 &&
data->pri.x456.reg_advanced &&
reg == data->pri.x456.reg_advanced)) {
return 8;
} else {