282 	size_t tx_len = 0;  in wdt87xx_get_feature()  local
290 	tx_buf[tx_len++] = 0x22;  in wdt87xx_get_feature()
291 	tx_buf[tx_len++] = 0x00;  in wdt87xx_get_feature()
293 		tx_buf[tx_len++] = 0x30;  in wdt87xx_get_feature()
294 		tx_buf[tx_len++] = 0x02;  in wdt87xx_get_feature()
295 		tx_buf[tx_len++] = buf[CMD_REPORT_ID_OFFSET];  in wdt87xx_get_feature()
297 		tx_buf[tx_len++] = 0x30 | buf[CMD_REPORT_ID_OFFSET];  in wdt87xx_get_feature()
298 		tx_buf[tx_len++] = 0x02;  in wdt87xx_get_feature()
300 	tx_buf[tx_len++] = 0x23;  in wdt87xx_get_feature()
301 	tx_buf[tx_len++] = 0x00;  in wdt87xx_get_feature()
303 	error = wdt87xx_i2c_xfer(client, tx_buf, tx_len, rx_buf, rx_len);  in wdt87xx_get_feature()
321 	int tx_len = 0;  in wdt87xx_set_feature()  local
325 	tx_buf[tx_len++] = 0x22;  in wdt87xx_set_feature()
326 	tx_buf[tx_len++] = 0x00;  in wdt87xx_set_feature()
328 		tx_buf[tx_len++] = 0x30;  in wdt87xx_set_feature()
329 		tx_buf[tx_len++] = 0x03;  in wdt87xx_set_feature()
330 		tx_buf[tx_len++] = buf[CMD_REPORT_ID_OFFSET];  in wdt87xx_set_feature()
332 		tx_buf[tx_len++] = 0x30 | buf[CMD_REPORT_ID_OFFSET];  in wdt87xx_set_feature()
333 		tx_buf[tx_len++] = 0x03;  in wdt87xx_set_feature()
335 	tx_buf[tx_len++] = 0x23;  in wdt87xx_set_feature()
336 	tx_buf[tx_len++] = 0x00;  in wdt87xx_set_feature()
337 	tx_buf[tx_len++] = (buf_size & 0xFF);  in wdt87xx_set_feature()
338 	tx_buf[tx_len++] = ((buf_size & 0xFF00) >> 8);  in wdt87xx_set_feature()
340 	if (tx_len + buf_size > sizeof(tx_buf))  in wdt87xx_set_feature()
343 	memcpy(&tx_buf[tx_len], buf, buf_size);  in wdt87xx_set_feature()
344 	tx_len += buf_size;  in wdt87xx_set_feature()
346 	error = i2c_master_send(client, tx_buf, tx_len);  in wdt87xx_set_feature()