73 	struct pms7003_frame frame;  member
111 	struct pms7003_frame *frame = &state->frame;  in pms7003_trigger_handler()  local
122 		pms7003_get_pm(frame->data + PMS7003_PM1_OFFSET);  in pms7003_trigger_handler()
124 		pms7003_get_pm(frame->data + PMS7003_PM2P5_OFFSET);  in pms7003_trigger_handler()
126 		pms7003_get_pm(frame->data + PMS7003_PM10_OFFSET);  in pms7003_trigger_handler()
142 	struct pms7003_frame *frame = &state->frame;  in pms7003_read_raw()  local
156 			*val = pms7003_get_pm(frame->data + chan->address);  in pms7003_read_raw()
194 static u16 pms7003_calc_checksum(struct pms7003_frame *frame)  in pms7003_calc_checksum()  argument
197 		       (frame->length >> 8) + (u8)frame->length;  in pms7003_calc_checksum()
200 	for (i = 0; i < frame->length - PMS7003_CHECKSUM_LENGTH; i++)  in pms7003_calc_checksum()
201 		checksum += frame->data[i];  in pms7003_calc_checksum()
206 static bool pms7003_frame_is_okay(struct pms7003_frame *frame)  in pms7003_frame_is_okay()  argument
208 	int offset = frame->length - PMS7003_CHECKSUM_LENGTH;  in pms7003_frame_is_okay()
209 	u16 checksum = get_unaligned_be16(frame->data + offset);  in pms7003_frame_is_okay()
211 	return checksum == pms7003_calc_checksum(frame);  in pms7003_frame_is_okay()
219 	struct pms7003_frame *frame = &state->frame;  in pms7003_receive_buf()  local
222 	if (!frame->expected_length) {  in pms7003_receive_buf()
235 			frame->expected_length = num;  in pms7003_receive_buf()
236 			frame->length = 0;  in pms7003_receive_buf()
242 	num = min(size, (size_t)(frame->expected_length - frame->length));  in pms7003_receive_buf()
243 	memcpy(frame->data + frame->length, buf, num);  in pms7003_receive_buf()
244 	frame->length += num;  in pms7003_receive_buf()
246 	if (frame->length == frame->expected_length) {  in pms7003_receive_buf()
247 		if (pms7003_frame_is_okay(frame))  in pms7003_receive_buf()
250 		frame->expected_length = 0;  in pms7003_receive_buf()