i2c/other/pt2258.c

32 int snd_pt2258_reset(struct snd_pt2258 *pt)
39 	snd_i2c_lock(pt->i2c_bus);
40 	if (snd_i2c_sendbytes(pt->i2c_dev, bytes, 1) != 1)
42 	snd_i2c_unlock(pt->i2c_bus);
45 	pt->mute = 1;
47 	snd_i2c_lock(pt->i2c_bus);
48 	if (snd_i2c_sendbytes(pt->i2c_dev, bytes, 1) != 1)
50 	snd_i2c_unlock(pt->i2c_bus);
54 		pt->volume[i] = 0;
57 	snd_i2c_lock(pt->i2c_bus);
58 	if (snd_i2c_sendbytes(pt->i2c_dev, bytes, 2) != 2)
60 	snd_i2c_unlock(pt->i2c_bus);
65 	snd_i2c_unlock(pt->i2c_bus);
83 	struct snd_pt2258 *pt = kcontrol->private_data;
87 	ucontrol->value.integer.value[0] = 79 - pt->volume[base];
88 	ucontrol->value.integer.value[1] = 79 - pt->volume[base + 1];
95 	struct snd_pt2258 *pt = kcontrol->private_data;
104 	if (val0 == pt->volume[base] && val1 == pt->volume[base + 1])
107 	pt->volume[base] = val0;
110 	snd_i2c_lock(pt->i2c_bus);
111 	if (snd_i2c_sendbytes(pt->i2c_dev, bytes, 2) != 2)
113 	snd_i2c_unlock(pt->i2c_bus);
115 	pt->volume[base + 1] = val1;
118 	snd_i2c_lock(pt->i2c_bus);
119 	if (snd_i2c_sendbytes(pt->i2c_dev, bytes, 2) != 2)
121 	snd_i2c_unlock(pt->i2c_bus);
126 	snd_i2c_unlock(pt->i2c_bus);
136 	struct snd_pt2258 *pt = kcontrol->private_data;
138 	ucontrol->value.integer.value[0] = !pt->mute;
145 	struct snd_pt2258 *pt = kcontrol->private_data;
150 	if (pt->mute == val)
153 	pt->mute = val;
155 	snd_i2c_lock(pt->i2c_bus);
156 	if (snd_i2c_sendbytes(pt->i2c_dev, bytes, 1) != 1)
158 	snd_i2c_unlock(pt->i2c_bus);
163 	snd_i2c_unlock(pt->i2c_bus);
170 int snd_pt2258_build_controls(struct snd_pt2258 *pt)
193 		err = snd_ctl_add(pt->card, snd_ctl_new1(&knew, pt));
205 	err = snd_ctl_add(pt->card, snd_ctl_new1(&knew, pt));