Don't adjust the selector in [get|set]_voltage_sel, fix it in list_voltage() instead.
For smps*(except smps10), the vsel reg-value and voltage mapping as below:
reg-value volt (uV) ( Assume RANGE is x1 )
0 0
1 500000
2 500000
3 500000
4 500000
5 500000
6 500000 (0.49V + 1 * 0.01V) * RANGE
7 510000 (0.49V + 2 * 0.01V) * RANGE
8 520000 (0.49V + 3 * 0.01V) * RANGE
9 530000 (0.49V + 4 * 0.01V) * RANGE
....
The linear mapping is start from selector 6.
Signed-off-by: Axel Lin <axel.lin@ingics.com>
Signed-off-by: Mark Brown <broonie@opensource.wolfsonmicro.com>
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