soc/mediatek/mt8196: Correct the argument type of MT6363

Correct the argument type of the mt6363_sdmadc_read API and the return
value type of the mt6363_read16 API.

TEST=Build pass
BUG=b:317009620

Change-Id: I0f768e23473fa924245d90ab1e4fa383ec437db3
Signed-off-by: Hope Wang <hope.wang@mediatek.corp-partner.google.com>
Reviewed-on: https://review.coreboot.org/c/coreboot/+/85839
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Reviewed-by: Yidi Lin <yidilin@google.com>
Reviewed-by: Yu-Ping Wu <yupingso@google.com>

src/mainboard/google/rauru/boardid.c

@@ -38,7 +38,7 @@ static const unsigned int *adc_voltages[] = {
 
 static uint32_t get_adc_index(unsigned int channel)
 {
-	int value;
+	u32 value;
 
 	mt6363_sdmadc_read(channel, &value, SDMADC_OPEN, AUXADC_VAL_PROCESSED);
 	assert(channel < ARRAY_SIZE(adc_voltages));

src/soc/mediatek/common/include/soc/mt6363.h

@@ -108,7 +108,7 @@ void mt6363_enable_vrf18(bool enable);
 void mt6363_enable_vram_digrf(bool enable);
 void mt6363_enable_vram_mdfe(bool enable);
 void mt6363_init_pmif_arb(void);
-u32 mt6363_read16(u32 reg);
+u16 mt6363_read16(u32 reg);
 void mt6363_write8(u32 reg, u8 reg_val);
 void mt6363_write_field(u32 reg, u32 val, u32 mask, u32 shift);
 void mt6363_init_setting(void);

src/soc/mediatek/common/include/soc/mt6363_sdmadc.h

@@ -84,7 +84,7 @@ struct auxadc_chan_spec {
 	} sdmadc_hw_info;
 };
 
-int mt6363_sdmadc_read(enum auxadc_channel channel, int *val, enum sdmadc_pures pures,
+int mt6363_sdmadc_read(enum auxadc_channel channel, u32 *val, enum sdmadc_pures pures,
 		       enum auxadc_val_type type);
 
 #endif /* __MT6363_SDMADC_H__ */

src/soc/mediatek/common/mt6363.c

@@ -25,7 +25,7 @@ static const struct pmic_setting key_protect_setting[] = {
 };
 
 static struct pmif *pmif_arb;
-u32 mt6363_read16(u32 reg)
+u16 mt6363_read16(u32 reg)
 {
 	u16 rdata = 0;
 

src/soc/mediatek/common/mt6363_sdmadc.c

@@ -61,11 +61,11 @@ static const struct auxadc_chan_spec mt6363_sdmadc_chan_specs[] = {
 _Static_assert(ARRAY_SIZE(mt6363_sdmadc_chan_specs) == AUXADC_CHAN_MAX,
 	       "Wrong array size for mt6363_sdmadc_chan_specs");
 
-int mt6363_sdmadc_read(enum auxadc_channel channel, int *val,
+int mt6363_sdmadc_read(enum auxadc_channel channel, u32 *val,
 		       enum sdmadc_pures pures, enum auxadc_val_type type)
 {
 	u8 wdata;
-	u32 regval;
+	u16 regval;
 	u32 elapsed = 0;
 	const struct auxadc_chan_spec *chan;