Lines Matching defs:buf
56 u8 buf[3] __aligned(IIO_DMA_MINALIGN);
71 data->buf[1] = val << shift;
72 data->buf[0] = val >> (8 - shift);
74 if (i2c_master_send(data->client, data->buf, 2) != 2)
85 data->buf[2] = val << shift;
86 data->buf[1] = (val >> (8 - shift));
87 data->buf[0] = (channel << DAC5571_CHANNEL_SELECT) |
90 if (i2c_master_send(data->client, data->buf, 3) != 3)
98 data->buf[1] = 0;
99 data->buf[0] = pwrdwn << DAC5571_SINGLE_PWRDWN_BITS;
101 if (i2c_master_send(data->client, data->buf, 2) != 2)
109 data->buf[2] = 0;
110 data->buf[1] = pwrdwn << DAC5571_QUAD_PWRDWN_BITS;
111 data->buf[0] = (channel << DAC5571_CHANNEL_SELECT) |
114 if (i2c_master_send(data->client, data->buf, 3) != 3)
167 char *buf)
171 return sysfs_emit(buf, "%d\n", data->powerdown[chan->channel]);
177 const char *buf, size_t len)
183 ret = kstrtobool(buf, &powerdown);