mfd: Use the value of the final spin when reading the AUXADC
Reverse the order of the tests for loop exit so we use a valid value
before we time out. Vanishingly unlikely to happen since we retry for
several times the expected conversion time.
Signed-off-by: Mark Brown <broonie@opensource.wolfsonmicro.com>
Signed-off-by: Samuel Ortiz <sameo@openedhand.com>
diff --git a/drivers/mfd/wm8350-core.c b/drivers/mfd/wm8350-core.c
index a285cc0..c2be308 100644
--- a/drivers/mfd/wm8350-core.c
+++ b/drivers/mfd/wm8350-core.c
@@ -1111,7 +1111,7 @@
do {
schedule_timeout_interruptible(1);
reg = wm8350_reg_read(wm8350, WM8350_DIGITISER_CONTROL_1);
- } while (--tries && (reg & WM8350_AUXADC_POLL));
+ } while ((reg & WM8350_AUXADC_POLL) && --tries);
if (!tries)
dev_err(wm8350->dev, "adc chn %d read timeout\n", channel);
