drivers/hid/hid-mcp2221.c

100 	u8 txbuf[64];
175 	memset(mcp->txbuf, 0, 8);
176 	mcp->txbuf[0] = MCP2221_I2C_PARAM_OR_STATUS;
178 	return mcp_send_data_req_status(mcp, mcp->txbuf, 8);
184 	memset(mcp->txbuf, 0, 8);
185 	mcp->txbuf[0] = MCP2221_I2C_PARAM_OR_STATUS;
186 	mcp->txbuf[2] = MCP2221_I2C_CANCEL;
188 	return mcp_send_data_req_status(mcp, mcp->txbuf, 8);
214 	memset(mcp->txbuf, 0, 8);
215 	mcp->txbuf[0] = MCP2221_I2C_PARAM_OR_STATUS;
216 	mcp->txbuf[3] = MCP2221_I2C_SET_SPEED;
217 	mcp->txbuf[4] = mcp->cur_i2c_clk_div;
219 	ret = mcp_send_data_req_status(mcp, mcp->txbuf, 8);
250 		mcp->txbuf[0] = type;
251 		mcp->txbuf[1] = msg->len & 0xff;
252 		mcp->txbuf[2] = msg->len >> 8;
253 		mcp->txbuf[3] = (u8)(msg->addr << 1);
255 		memcpy(&mcp->txbuf[4], &msg->buf[idx], len);
257 		ret = mcp_send_data_req_status(mcp, mcp->txbuf, len + 4);
303 	mcp->txbuf[0] = type;
305 		mcp->txbuf[1] = msg->len & 0xff;
306 		mcp->txbuf[2] = msg->len >> 8;
307 		mcp->txbuf[3] = (u8)(msg->addr << 1);
311 		mcp->txbuf[1] = smbus_len;
312 		mcp->txbuf[2] = 0;
313 		mcp->txbuf[3] = (u8)(smbus_addr << 1);
318 	ret = mcp_send_data_req_status(mcp, mcp->txbuf, 4);
328 		memset(mcp->txbuf, 0, 4);
329 		mcp->txbuf[0] = MCP2221_I2C_GET_DATA;
331 		ret = mcp_send_data_req_status(mcp, mcp->txbuf, 1);
413 	mcp->txbuf[0] = type;
414 	mcp->txbuf[1] = len + 1; /* 1 is due to command byte itself */
415 	mcp->txbuf[2] = 0;
416 	mcp->txbuf[3] = (u8)(addr << 1);
417 	mcp->txbuf[4] = command;
424 		mcp->txbuf[5] = buf[0];
428 		mcp->txbuf[5] = buf[0];
429 		mcp->txbuf[6] = buf[1];
436 		memcpy(&mcp->txbuf[5], buf, len);
440 	ret = mcp_send_data_req_status(mcp, mcp->txbuf, data_len);
523 			mcp->txbuf[0] = MCP2221_I2C_GET_DATA;
524 			ret = mcp_send_data_req_status(mcp, mcp->txbuf, 1);
546 			mcp->txbuf[0] = MCP2221_I2C_GET_DATA;
547 			ret = mcp_send_data_req_status(mcp, mcp->txbuf, 1);
616 	mcp->txbuf[0] = MCP2221_GPIO_GET;
621 	ret = mcp_send_data_req_status(mcp, mcp->txbuf, 1);
632 	memset(mcp->txbuf, 0, 18);
633 	mcp->txbuf[0] = MCP2221_GPIO_SET;
637 	mcp->txbuf[mcp->gp_idx - 1] = 1;
638 	mcp->txbuf[mcp->gp_idx] = !!value;
641 	mcp_send_data_req_status(mcp, mcp->txbuf, 18);
648 	memset(mcp->txbuf, 0, 18);
649 	mcp->txbuf[0] = MCP2221_GPIO_SET;
653 	mcp->txbuf[mcp->gp_idx - 1] = 1;
654 	mcp->txbuf[mcp->gp_idx] = val;
656 	return mcp_send_data_req_status(mcp, mcp->txbuf, 18);
697 	mcp->txbuf[0] = MCP2221_GPIO_GET;
702 	ret = mcp_send_data_req_status(mcp, mcp->txbuf, 1);
779 			if ((mcp->txbuf[3] == MCP2221_I2C_SET_SPEED) &&
896 			if (mcp->txbuf[1] != 0) {
1008 	memset(mcp->txbuf, 0, 12);
1009 	mcp->txbuf[0] = MCP2221_SET_SRAM_SETTINGS;
1010 	mcp->txbuf[4] = BIT(7) | val;
1012 	ret = mcp_send_data_req_status(mcp, mcp->txbuf, 12);
1074 	mcp->txbuf[0] = MCP2221_GET_SRAM_SETTINGS;
1075 	ret = mcp_send_data_req_status(mcp, mcp->txbuf, 1);
1084 	mcp->txbuf[0] = MCP2221_READ_FLASH_DATA;
1085 	mcp->txbuf[1] = 0;
1086 	ret = mcp_send_data_req_status(mcp, mcp->txbuf, 2);