[PATCH] leds: ti-lmu-common: Fix coccinelle issue in TI LMU

[Dan Murphy]

Fix the coccinelle issues found in the TI LMU common code

drivers/leds/leds-ti-lmu-common.c:97:20-29: WARNING: Unsigned expression compared with zero: ramp_down < 0
drivers/leds/leds-ti-lmu-common.c:97:5-12: WARNING: Unsigned expression compared with zero: ramp_up < 0

Fixes: f717460ba4d7 ("leds: TI LMU: Add common code for TI LMU devices")
Signed-off-by: Dan Murphy <dmurphy@xxxxxx>
---
 drivers/leds/leds-ti-lmu-common.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/leds/leds-ti-lmu-common.c b/drivers/leds/leds-ti-lmu-common.c
index adc7293004f1..c9ab40d5a6ba 100644
--- a/drivers/leds/leds-ti-lmu-common.c
+++ b/drivers/leds/leds-ti-lmu-common.c
@@ -84,7 +84,7 @@ static int ti_lmu_common_convert_ramp_to_index(unsigned int usec)
 int ti_lmu_common_set_ramp(struct ti_lmu_bank *lmu_bank)
 {
 	struct regmap *regmap = lmu_bank->regmap;
-	u8 ramp, ramp_up, ramp_down;
+	int ramp, ramp_up, ramp_down;
 
 	if (lmu_bank->ramp_up_usec == 0 && lmu_bank->ramp_down_usec == 0) {
 		ramp_up = 0;
-- 
2.22.0.214.g8dca754b1e