diff options
Diffstat (limited to 'drivers/media/video/wm8775.c')
-rw-r--r-- | drivers/media/video/wm8775.c | 88 |
1 files changed, 44 insertions, 44 deletions
diff --git a/drivers/media/video/wm8775.c b/drivers/media/video/wm8775.c index bbfd55cd9948..c2e6d2e9f5f1 100644 --- a/drivers/media/video/wm8775.c +++ b/drivers/media/video/wm8775.c | |||
@@ -25,7 +25,6 @@ | |||
25 | * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. | 25 | * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. |
26 | */ | 26 | */ |
27 | 27 | ||
28 | |||
29 | #include <linux/module.h> | 28 | #include <linux/module.h> |
30 | #include <linux/types.h> | 29 | #include <linux/types.h> |
31 | #include <linux/ioctl.h> | 30 | #include <linux/ioctl.h> |
@@ -33,20 +32,12 @@ | |||
33 | #include <linux/i2c.h> | 32 | #include <linux/i2c.h> |
34 | #include <linux/i2c-id.h> | 33 | #include <linux/i2c-id.h> |
35 | #include <linux/videodev.h> | 34 | #include <linux/videodev.h> |
36 | #include <media/audiochip.h> | 35 | #include <media/v4l2-common.h> |
37 | 36 | ||
38 | MODULE_DESCRIPTION("wm8775 driver"); | 37 | MODULE_DESCRIPTION("wm8775 driver"); |
39 | MODULE_AUTHOR("Ulf Eklund, Hans Verkuil"); | 38 | MODULE_AUTHOR("Ulf Eklund, Hans Verkuil"); |
40 | MODULE_LICENSE("GPL"); | 39 | MODULE_LICENSE("GPL"); |
41 | 40 | ||
42 | #define wm8775_err(fmt, arg...) do { \ | ||
43 | printk(KERN_ERR "%s %d-%04x: " fmt, client->driver->driver.name, \ | ||
44 | i2c_adapter_id(client->adapter), client->addr , ## arg); } while (0) | ||
45 | #define wm8775_info(fmt, arg...) do { \ | ||
46 | printk(KERN_INFO "%s %d-%04x: " fmt, client->driver->driver.name, \ | ||
47 | i2c_adapter_id(client->adapter), client->addr , ## arg); } while (0) | ||
48 | |||
49 | |||
50 | static unsigned short normal_i2c[] = { 0x36 >> 1, I2C_CLIENT_END }; | 41 | static unsigned short normal_i2c[] = { 0x36 >> 1, I2C_CLIENT_END }; |
51 | 42 | ||
52 | 43 | ||
@@ -70,7 +61,7 @@ static int wm8775_write(struct i2c_client *client, int reg, u16 val) | |||
70 | int i; | 61 | int i; |
71 | 62 | ||
72 | if (reg < 0 || reg >= TOT_REGS) { | 63 | if (reg < 0 || reg >= TOT_REGS) { |
73 | wm8775_err("Invalid register R%d\n", reg); | 64 | v4l_err(client, "Invalid register R%d\n", reg); |
74 | return -1; | 65 | return -1; |
75 | } | 66 | } |
76 | 67 | ||
@@ -80,7 +71,7 @@ static int wm8775_write(struct i2c_client *client, int reg, u16 val) | |||
80 | return 0; | 71 | return 0; |
81 | } | 72 | } |
82 | } | 73 | } |
83 | wm8775_err("I2C: cannot write %03x to register R%d\n", val, reg); | 74 | v4l_err(client, "I2C: cannot write %03x to register R%d\n", val, reg); |
84 | return -1; | 75 | return -1; |
85 | } | 76 | } |
86 | 77 | ||
@@ -88,38 +79,53 @@ static int wm8775_command(struct i2c_client *client, unsigned int cmd, | |||
88 | void *arg) | 79 | void *arg) |
89 | { | 80 | { |
90 | struct wm8775_state *state = i2c_get_clientdata(client); | 81 | struct wm8775_state *state = i2c_get_clientdata(client); |
91 | int *input = arg; | 82 | struct v4l2_audio *input = arg; |
83 | struct v4l2_control *ctrl = arg; | ||
92 | 84 | ||
93 | switch (cmd) { | 85 | switch (cmd) { |
94 | case AUDC_SET_INPUT: | 86 | case VIDIOC_S_AUDIO: |
87 | /* There are 4 inputs and one output. Zero or more inputs | ||
88 | are multiplexed together to the output. Hence there are | ||
89 | 16 combinations. | ||
90 | If only one input is active (the normal case) then the | ||
91 | input values 1, 2, 4 or 8 should be used. */ | ||
92 | if (input->index > 15) { | ||
93 | v4l_err(client, "Invalid input %d.\n", input->index); | ||
94 | return -EINVAL; | ||
95 | } | ||
96 | state->input = input->index; | ||
97 | if (state->muted) | ||
98 | break; | ||
95 | wm8775_write(client, R21, 0x0c0); | 99 | wm8775_write(client, R21, 0x0c0); |
96 | wm8775_write(client, R14, 0x1d4); | 100 | wm8775_write(client, R14, 0x1d4); |
97 | wm8775_write(client, R15, 0x1d4); | 101 | wm8775_write(client, R15, 0x1d4); |
102 | wm8775_write(client, R21, 0x100 + state->input); | ||
103 | break; | ||
98 | 104 | ||
99 | if (*input == AUDIO_RADIO) { | 105 | case VIDIOC_G_AUDIO: |
100 | wm8775_write(client, R21, 0x108); | 106 | memset(input, 0, sizeof(*input)); |
101 | state->input = 8; | 107 | input->index = state->input; |
102 | state->muted = 0; | 108 | break; |
103 | break; | 109 | |
104 | } | 110 | case VIDIOC_G_CTRL: |
105 | if (*input == AUDIO_MUTE) { | 111 | if (ctrl->id != V4L2_CID_AUDIO_MUTE) |
106 | state->muted = 1; | 112 | return -EINVAL; |
107 | break; | 113 | ctrl->value = state->muted; |
108 | } | 114 | break; |
109 | if (*input == AUDIO_UNMUTE) { | 115 | |
116 | case VIDIOC_S_CTRL: | ||
117 | if (ctrl->id != V4L2_CID_AUDIO_MUTE) | ||
118 | return -EINVAL; | ||
119 | state->muted = ctrl->value; | ||
120 | wm8775_write(client, R21, 0x0c0); | ||
121 | wm8775_write(client, R14, 0x1d4); | ||
122 | wm8775_write(client, R15, 0x1d4); | ||
123 | if (!state->muted) | ||
110 | wm8775_write(client, R21, 0x100 + state->input); | 124 | wm8775_write(client, R21, 0x100 + state->input); |
111 | state->muted = 0; | ||
112 | break; | ||
113 | } | ||
114 | /* All other inputs... */ | ||
115 | wm8775_write(client, R21, 0x102); | ||
116 | state->input = 2; | ||
117 | state->muted = 0; | ||
118 | break; | 125 | break; |
119 | 126 | ||
120 | case VIDIOC_LOG_STATUS: | 127 | case VIDIOC_LOG_STATUS: |
121 | wm8775_info("Input: %s%s\n", | 128 | v4l_info(client, "Input: %d%s\n", state->input, |
122 | state->input == 8 ? "radio" : "default", | ||
123 | state->muted ? " (muted)" : ""); | 129 | state->muted ? " (muted)" : ""); |
124 | break; | 130 | break; |
125 | 131 | ||
@@ -170,7 +176,7 @@ static int wm8775_attach(struct i2c_adapter *adapter, int address, int kind) | |||
170 | client->driver = &i2c_driver; | 176 | client->driver = &i2c_driver; |
171 | snprintf(client->name, sizeof(client->name) - 1, "wm8775"); | 177 | snprintf(client->name, sizeof(client->name) - 1, "wm8775"); |
172 | 178 | ||
173 | wm8775_info("chip found @ 0x%x (%s)\n", address << 1, adapter->name); | 179 | v4l_info(client, "chip found @ 0x%x (%s)\n", address << 1, adapter->name); |
174 | 180 | ||
175 | state = kmalloc(sizeof(struct wm8775_state), GFP_KERNEL); | 181 | state = kmalloc(sizeof(struct wm8775_state), GFP_KERNEL); |
176 | if (state == NULL) { | 182 | if (state == NULL) { |
@@ -206,11 +212,7 @@ static int wm8775_attach(struct i2c_adapter *adapter, int address, int kind) | |||
206 | 212 | ||
207 | static int wm8775_probe(struct i2c_adapter *adapter) | 213 | static int wm8775_probe(struct i2c_adapter *adapter) |
208 | { | 214 | { |
209 | #ifdef I2C_CLASS_TV_ANALOG | ||
210 | if (adapter->class & I2C_CLASS_TV_ANALOG) | 215 | if (adapter->class & I2C_CLASS_TV_ANALOG) |
211 | #else | ||
212 | if (adapter->id == I2C_HW_B_BT848) | ||
213 | #endif | ||
214 | return i2c_probe(adapter, &addr_data, wm8775_attach); | 216 | return i2c_probe(adapter, &addr_data, wm8775_attach); |
215 | return 0; | 217 | return 0; |
216 | } | 218 | } |
@@ -235,12 +237,10 @@ static struct i2c_driver i2c_driver = { | |||
235 | .driver = { | 237 | .driver = { |
236 | .name = "wm8775", | 238 | .name = "wm8775", |
237 | }, | 239 | }, |
238 | 240 | .id = I2C_DRIVERID_WM8775, | |
239 | .id = I2C_DRIVERID_WM8775, | ||
240 | |||
241 | .attach_adapter = wm8775_probe, | 241 | .attach_adapter = wm8775_probe, |
242 | .detach_client = wm8775_detach, | 242 | .detach_client = wm8775_detach, |
243 | .command = wm8775_command, | 243 | .command = wm8775_command, |
244 | }; | 244 | }; |
245 | 245 | ||
246 | 246 | ||