Lines Matching full:cnv
139 /* currently PWM CNV only supported with SPI offload use */
143 /* offload also requires separate gpio to manually control CNV */
156 * CNV. Excluding the trigger xfer, every 2nd xfer only serves
158 * CNV rising edges.
552 * In this case, CNV is not connected to CS, so we don't need in ad4695_exit_conversion_mode()
984 /* Required delay between last SCLK and CNV/CS */ in ad4695_read_one_sample()
996 * If CNV is connected to CS, the previous function will have triggered in ad4695_read_one_sample()
1015 * If CNV is connected to CS, the previous function will have in ad4695_read_one_sample()
1705 "CNV GPIO is required for SPI offload\n"); in ad4695_probe_spi_offload()
1725 "failed to get CNV PWM\n"); in ad4695_probe_spi_offload()
1737 return dev_err_probe(dev, ret, "failed to apply CNV PWM\n"); in ad4695_probe_spi_offload()
1763 /* add sample frequency for PWM CNV trigger */ in ad4695_probe_spi_offload()
1833 st->cnv_gpio = devm_gpiod_get_optional(dev, "cnv", GPIOD_OUT_LOW); in ad4695_probe()
1836 "Failed to get CNV GPIO\n"); in ad4695_probe()
1972 /* Driver currently requires CNV pin to be connected to SPI CS */ in ad4695_probe()
1975 "CNV GPIO is not supported\n"); in ad4695_probe()