ASoC: wm_hubs: Use explicit casts for converting to signed

Should be no behaviour change.

Signed-off-by: Mark Brown <broonie@opensource.wolfsonmicro.com>

diff --git a/sound/soc/codecs/wm_hubs.c b/sound/soc/codecs/wm_hubs.c
index 05a02e1..b340552 100644 (file)
--- a/sound/soc/codecs/wm_hubs.c
+++ b/sound/soc/codecs/wm_hubs.c
@@ -297,12 +297,12 @@ static void enable_dc_servo(struct snd_soc_codec *codec)
                        hubs->dcs_codes_l, hubs->dcs_codes_r);
 
                /* HPOUT1R */
-               offset = reg_r;
+               offset = (s8)reg_r;
                offset += hubs->dcs_codes_r;
                dcs_cfg = (u8)offset << WM8993_DCS_DAC_WR_VAL_1_SHIFT;
 
                /* HPOUT1L */
-               offset = reg_l;
+               offset = (s8)reg_l;
                offset += hubs->dcs_codes_l;
                dcs_cfg |= (u8)offset;