V4L/DVB (3599): Implement new routing commands for wm8775 and cs53l32a. (7fa033b1) · Commits · e / devices / android_kernel_xiaomi_markw

drivers/media/video/cs53l32a.c

+10 −5

Original line number	Diff line number	Diff line
		@@ -59,20 +59,25 @@ static int cs53l32a_read(struct i2c_client *client, u8 reg)
		static int cs53l32a_command(struct i2c_client *client, unsigned int cmd,
		void *arg)
		{
		struct v4l2_audio *input = arg;
		struct v4l2_routing *route = arg;
		struct v4l2_control *ctrl = arg;

		switch (cmd) {
		case VIDIOC_S_AUDIO:
		case VIDIOC_INT_G_AUDIO_ROUTING:
		route->input = (cs53l32a_read(client, 0x01) >> 4) & 3;
		route->output = 0;
		break;

		case VIDIOC_INT_S_AUDIO_ROUTING:
		/* There are 2 physical inputs, but the second input can be
		placed in two modes, the first mode bypasses the PGA (gain),
		the second goes through the PGA. Hence there are three
		possible inputs to choose from. */
		if (input->index > 2) {
		v4l_err(client, "Invalid input %d.\n", input->index);
		if (route->input > 2) {
		v4l_err(client, "Invalid input %d.\n", route->input);
		return -EINVAL;
		}
		cs53l32a_write(client, 0x01, 0x01 + (input->index << 4));
		cs53l32a_write(client, 0x01, 0x01 + (route->input << 4));
		break;

		case VIDIOC_G_CTRL:

+10 −5

Original line number	Diff line number	Diff line
		@@ -79,21 +79,26 @@ static int wm8775_command(struct i2c_client *client, unsigned int cmd,
		void *arg)
		{
		struct wm8775_state *state = i2c_get_clientdata(client);
		struct v4l2_audio *input = arg;
		struct v4l2_routing *route = arg;
		struct v4l2_control *ctrl = arg;

		switch (cmd) {
		case VIDIOC_S_AUDIO:
		case VIDIOC_INT_G_AUDIO_ROUTING:
		route->input = state->input;
		route->output = 0;
		break;

		case VIDIOC_INT_S_AUDIO_ROUTING:
		/* There are 4 inputs and one output. Zero or more inputs
		are multiplexed together to the output. Hence there are
		16 combinations.
		If only one input is active (the normal case) then the
		input values 1, 2, 4 or 8 should be used. */
		if (input->index > 15) {
		v4l_err(client, "Invalid input %d.\n", input->index);
		if (route->input > 15) {
		v4l_err(client, "Invalid input %d.\n", route->input);
		return -EINVAL;
		}
		state->input = input->index;
		state->input = route->input;
		if (state->muted)
		break;
		wm8775_write(client, R21, 0x0c0);

0 → 100644

+34 −0

Original line number	Diff line number	Diff line
		/*
		cs53l32a.h - definition for cs53l32a inputs and outputs

		Copyright (C) 2006 Hans Verkuil (hverkuil@xs4all.nl)

		This program is free software; you can redistribute it and/or modify
		it under the terms of the GNU General Public License as published by
		the Free Software Foundation; either version 2 of the License, or
		(at your option) any later version.

		This program is distributed in the hope that it will be useful,
		but WITHOUT ANY WARRANTY; without even the implied warranty of
		MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
		GNU General Public License for more details.

		You should have received a copy of the GNU General Public License
		along with this program; if not, write to the Free Software
		Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
		*/

		#ifndef _CS53L32A_H_
		#define _CS53L32A_H_

		/* There are 2 physical inputs, but the second input can be
		placed in two modes, the first mode bypasses the PGA (gain),
		the second goes through the PGA. Hence there are three
		possible inputs to choose from. */

		/* CS53L32A HW inputs */
		#define CS53L32A_IN0 0
		#define CS53L32A_IN1 1
		#define CS53L32A_IN2 2

		#endif

0 → 100644

+35 −0

Original line number	Diff line number	Diff line
		/*
		wm8775.h - definition for wm8775 inputs and outputs

		Copyright (C) 2006 Hans Verkuil (hverkuil@xs4all.nl)

		This program is free software; you can redistribute it and/or modify
		it under the terms of the GNU General Public License as published by
		the Free Software Foundation; either version 2 of the License, or
		(at your option) any later version.

		This program is distributed in the hope that it will be useful,
		but WITHOUT ANY WARRANTY; without even the implied warranty of
		MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
		GNU General Public License for more details.

		You should have received a copy of the GNU General Public License
		along with this program; if not, write to the Free Software
		Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
		*/

		#ifndef _WM8775_H_
		#define _WM8775_H_

		/* The WM8775 has 4 inputs and one output. Zero or more inputs
		are multiplexed together to the output. Hence there are
		16 combinations.
		If only one input is active (the normal case) then the
		input values 1, 2, 4 or 8 should be used. */

		#define WM8775_AIN1 1
		#define WM8775_AIN2 2
		#define WM8775_AIN3 4
		#define WM8775_AIN4 8

		#endif