71 	struct kxsd9_state *st = iio_priv(indio_dev);  in kxsd9_write_scale()  local
82 	mutex_lock(&st->buf_lock);  in kxsd9_write_scale()
83 	ret = spi_w8r8(st->us, KXSD9_READ(KXSD9_REG_CTRL_C));  in kxsd9_write_scale()
86 	st->tx[0] = KXSD9_WRITE(KXSD9_REG_CTRL_C);  in kxsd9_write_scale()
87 	st->tx[1] = (ret & ~KXSD9_FS_MASK) | i;  in kxsd9_write_scale()
89 	ret = spi_write(st->us, st->tx, 2);  in kxsd9_write_scale()
91 	mutex_unlock(&st->buf_lock);  in kxsd9_write_scale()
98 	struct kxsd9_state *st = iio_priv(indio_dev);  in kxsd9_read()  local
104 			.tx_buf = st->tx,  in kxsd9_read()
108 			.rx_buf = st->rx,  in kxsd9_read()
112 	mutex_lock(&st->buf_lock);  in kxsd9_read()
113 	st->tx[0] = KXSD9_READ(address);  in kxsd9_read()
114 	ret = spi_sync_transfer(st->us, xfers, ARRAY_SIZE(xfers));  in kxsd9_read()
116 		ret = (((u16)(st->rx[0])) << 8) | (st->rx[1] & 0xF0);  in kxsd9_read()
117 	mutex_unlock(&st->buf_lock);  in kxsd9_read()
155 	struct kxsd9_state *st = iio_priv(indio_dev);  in kxsd9_read_raw()  local
165 		ret = spi_w8r8(st->us, KXSD9_READ(KXSD9_REG_CTRL_C));  in kxsd9_read_raw()
200 static int kxsd9_power_up(struct kxsd9_state *st)  in kxsd9_power_up()  argument
204 	st->tx[0] = 0x0d;  in kxsd9_power_up()
205 	st->tx[1] = 0x40;  in kxsd9_power_up()
206 	ret = spi_write(st->us, st->tx, 2);  in kxsd9_power_up()
210 	st->tx[0] = 0x0c;  in kxsd9_power_up()
211 	st->tx[1] = 0x9b;  in kxsd9_power_up()
212 	return spi_write(st->us, st->tx, 2);  in kxsd9_power_up()
225 	struct kxsd9_state *st;  in kxsd9_probe()  local
227 	indio_dev = devm_iio_device_alloc(&spi->dev, sizeof(*st));  in kxsd9_probe()
231 	st = iio_priv(indio_dev);  in kxsd9_probe()
234 	st->us = spi;  in kxsd9_probe()
235 	mutex_init(&st->buf_lock);  in kxsd9_probe()
245 	kxsd9_power_up(st);  in kxsd9_probe()