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authorAxel Lin <axel.lin@ingics.com>2013-07-20 16:56:45 +0800
committerMark Brown <broonie@linaro.org>2013-07-24 15:48:01 +0100
commitfba6583be610dd83369ecba88d7ee84527d00cf1 (patch)
treefff010b0b836991fbaa62a81ec0e6bab49f082b3 /drivers/regulator/core.c
parent3b2f64d00c46e1e4e9bd0bb9bb12619adac27a4b (diff)
downloadlinux-fba6583be610dd83369ecba88d7ee84527d00cf1.tar.gz
regulator: tps65912: Convert tps65912_ops_ldo to use linear ranges
The ldo voltage table is composed of linear ranges.

Below is the equation in original code (tps65912_vsel_to_uv_ldo):
0 ... 32:      uv = vsel * 25000 + 800000;
33 ... 60:     uv = (vsel - 32) * 50000 + 1600000;
                  = (vsel -33) * 50000 + 1650000;
61 ...63:      uv = (vsel - 60) * 100000 + 3000000;
                  = (vsel - 61) * 100000 + 3100000;

This patch converts tps65912_ops_ldo to use multiple linear ranges APIs.

Signed-off-by: Axel Lin <axel.lin@ingics.com>
Signed-off-by: Mark Brown <broonie@linaro.org>
Diffstat (limited to 'drivers/regulator/core.c')
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