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mfd: Support configurable numbers of DCDCs and ISINKs on WM8350

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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>
This commit is contained in:
Mark Brown
2008-12-18 23:12:16 +01:00
committed by Samuel Ortiz
parent 53a0d99b1e
commit 645524a9c6
3 changed files with 17 additions and 0 deletions
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7
drivers/regulator/wm8350-regulator.c
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@@ -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;