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For chips with more than 8 bit ADC resolution, received data was always masked against 0xfff, ie with a 12 bit mask. This can result in bad data for chips with 10 bit resolution if those chips have higher bits set (seen with MAX1139). The receive buffer was defined as char array. This could result in unintentional sign extensions if the upper bit in a received byte was set. Since the chip is configured for unipolar mode, we never have to handle negative values, and sign extensions are never needed. Signed-off-by: Guenter Roeck <linux@roeck-us.net> Signed-off-by: Jonathan Cameron <jic23@kernel.org> |
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| .. | ||
| ad7266.c | ||
| ad7298.c | ||
| ad7476.c | ||
| ad7791.c | ||
| ad7793.c | ||
| ad7887.c | ||
| ad_sigma_delta.c | ||
| at91_adc.c | ||
| Kconfig | ||
| lp8788_adc.c | ||
| Makefile | ||
| max1363.c | ||
| ti_am335x_adc.c | ||
| ti-adc081c.c | ||
| viperboard_adc.c | ||