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authorMark Brown <broonie@opensource.wolfsonmicro.com>2008-12-18 23:12:16 +0100
committerSamuel Ortiz <samuel@sortiz.org>2009-01-04 12:17:42 +0100
commit645524a9c6e1e42dc4fe03217befb20e2fc4d43e (patch)
treef556620d6695f7257c24cc483b3b9bdde9abfca1 /drivers/regulator/wm8350-regulator.c
parent53a0d99b1ef14f56baec06eec1e3dad031672b3a (diff)
downloadlinux-645524a9c6e1e42dc4fe03217befb20e2fc4d43e.tar.bz2
mfd: Support configurable numbers of DCDCs and ISINKs on WM8350
Some WM8350 variants have fewer DCDCs and ISINKs. Identify these at probe and refuse to use the absent DCDCs when running on these chips. Signed-off-by: Mark Brown <broonie@opensource.wolfsonmicro.com> Signed-off-by: Samuel Ortiz <sameo@openedhand.com>
Diffstat (limited to 'drivers/regulator/wm8350-regulator.c')
-rw-r--r--drivers/regulator/wm8350-regulator.c7
1 files changed, 7 insertions, 0 deletions
diff --git a/drivers/regulator/wm8350-regulator.c b/drivers/regulator/wm8350-regulator.c
index 1f44b17e23b1..c68c496b2c49 100644
--- a/drivers/regulator/wm8350-regulator.c
+++ b/drivers/regulator/wm8350-regulator.c
@@ -1380,6 +1380,13 @@ int wm8350_register_regulator(struct wm8350 *wm8350, int reg,
if (wm8350->pmic.pdev[reg])
return -EBUSY;
+ if (reg >= WM8350_DCDC_1 && reg <= WM8350_DCDC_6 &&
+ reg > wm8350->pmic.max_dcdc)
+ return -ENODEV;
+ if (reg >= WM8350_ISINK_A && reg <= WM8350_ISINK_B &&
+ reg > wm8350->pmic.max_isink)
+ return -ENODEV;
+
pdev = platform_device_alloc("wm8350-regulator", reg);
if (!pdev)
return -ENOMEM;