diff options
Diffstat (limited to 'hw/tsc210x.c')
| -rw-r--r-- | hw/tsc210x.c | 14 |
1 files changed, 9 insertions, 5 deletions
diff --git a/hw/tsc210x.c b/hw/tsc210x.c index 6082aa0b9a..96956a47de 100644 --- a/hw/tsc210x.c +++ b/hw/tsc210x.c @@ -130,9 +130,10 @@ static const uint16_t mode_regs[16] = { #define Y_TRANSFORM(value) \ ((150 + ((int) (value) * (3037 - 150) / 32768)) << 4) #define Z1_TRANSFORM(s) \ - ((400 - (s)->x + ((s)->pressure << 9)) << 4) + ((400 - ((s)->x >> 7) + ((s)->pressure << 10)) << 4) #define Z2_TRANSFORM(s) \ - ((4000 + (s)->y - ((s)->pressure << 10)) << 4) + ((4000 + ((s)->y >> 7) - ((s)->pressure << 10)) << 4) + #define BAT1_VAL 0x8660 #define BAT2_VAL 0x0000 #define AUX1_VAL 0x35c0 @@ -367,7 +368,8 @@ static uint16_t tsc2102_data_register_read(struct tsc210x_state_s *s, int reg) case 0x05: /* BAT1 */ s->dav &= 0xffbf; - return TSC_CUT_RESOLUTION(BAT1_VAL, s->precision); + return TSC_CUT_RESOLUTION(BAT1_VAL, s->precision) + + (s->noise & 6); case 0x06: /* BAT2 */ s->dav &= 0xffdf; @@ -383,11 +385,13 @@ static uint16_t tsc2102_data_register_read(struct tsc210x_state_s *s, int reg) case 0x09: /* TEMP1 */ s->dav &= 0xfffb; - return TSC_CUT_RESOLUTION(TEMP1_VAL, s->precision); + return TSC_CUT_RESOLUTION(TEMP1_VAL, s->precision) - + (s->noise & 5); case 0x0a: /* TEMP2 */ s->dav &= 0xfffd; - return TSC_CUT_RESOLUTION(TEMP2_VAL, s->precision); + return TSC_CUT_RESOLUTION(TEMP2_VAL, s->precision) ^ + (s->noise & 3); case 0x0b: /* DAC */ s->dav &= 0xfffe; |