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| author | Ingo Molnar <mingo@kernel.org> | 2020-02-24 13:36:09 +0300 |
|---|---|---|
| committer | Ingo Molnar <mingo@kernel.org> | 2020-02-24 13:36:09 +0300 |
| commit | 546121b65f47384e11ec1fa2e55449fc9f4846b2 (patch) | |
| tree | 8f18470ec7c0c77b0f48eb1b2338e591b0b0aaff /drivers/misc/tsl2550.c | |
| parent | 000619680c3714020ce9db17eef6a4a7ce2dc28b (diff) | |
| parent | f8788d86ab28f61f7b46eb6be375f8a726783636 (diff) | |
| download | linux-546121b65f47384e11ec1fa2e55449fc9f4846b2.tar.xz | |
Merge tag 'v5.6-rc3' into sched/core, to pick up fixes and dependent patches
Signed-off-by: Ingo Molnar <mingo@kernel.org>
Diffstat (limited to 'drivers/misc/tsl2550.c')
| -rw-r--r-- | drivers/misc/tsl2550.c | 12 |
1 files changed, 5 insertions, 7 deletions
diff --git a/drivers/misc/tsl2550.c b/drivers/misc/tsl2550.c index 09db397df287..6d71865c8042 100644 --- a/drivers/misc/tsl2550.c +++ b/drivers/misc/tsl2550.c @@ -148,16 +148,14 @@ static int tsl2550_calculate_lux(u8 ch0, u8 ch1) u16 c0 = count_lut[ch0]; u16 c1 = count_lut[ch1]; - /* - * Calculate ratio. - * Note: the "128" is a scaling factor - */ - u8 r = 128; - /* Avoid division by 0 and count 1 cannot be greater than count 0 */ if (c1 <= c0) if (c0) { - r = c1 * 128 / c0; + /* + * Calculate ratio. + * Note: the "128" is a scaling factor + */ + u8 r = c1 * 128 / c0; /* Calculate LUX */ lux = ((c0 - c1) * ratio_lut[r]) / 256; |