X-Git-Url: http://pilppa.org/gitweb/?a=blobdiff_plain;f=drivers%2Fmedia%2Fvideo%2Fwm8775.c;h=d81a88bbe43d02a8aac3f61a575facb07153615a;hb=9129d6ea475b7e9f216c8324ea05b7a0d8aba540;hp=a6936ad74fcf49073bc635aba17c84dd09dd262a;hpb=97f2aab6698f3ab2552c41c1024a65ffd0763a6d;p=linux-2.6-omap-h63xx.git diff --git a/drivers/media/video/wm8775.c b/drivers/media/video/wm8775.c index a6936ad74fc..d81a88bbe43 100644 --- a/drivers/media/video/wm8775.c +++ b/drivers/media/video/wm8775.c @@ -25,7 +25,6 @@ * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. */ - #include #include #include @@ -33,20 +32,12 @@ #include #include #include -#include +#include MODULE_DESCRIPTION("wm8775 driver"); MODULE_AUTHOR("Ulf Eklund, Hans Verkuil"); MODULE_LICENSE("GPL"); -#define wm8775_err(fmt, arg...) do { \ - printk(KERN_ERR "%s %d-%04x: " fmt, client->driver->name, \ - i2c_adapter_id(client->adapter), client->addr , ## arg); } while (0) -#define wm8775_info(fmt, arg...) do { \ - printk(KERN_INFO "%s %d-%04x: " fmt, client->driver->name, \ - i2c_adapter_id(client->adapter), client->addr , ## arg); } while (0) - - static unsigned short normal_i2c[] = { 0x36 >> 1, I2C_CLIENT_END }; @@ -70,7 +61,7 @@ static int wm8775_write(struct i2c_client *client, int reg, u16 val) int i; if (reg < 0 || reg >= TOT_REGS) { - wm8775_err("Invalid register R%d\n", reg); + v4l_err(client, "Invalid register R%d\n", reg); return -1; } @@ -80,7 +71,7 @@ static int wm8775_write(struct i2c_client *client, int reg, u16 val) return 0; } } - wm8775_err("I2C: cannot write %03x to register R%d\n", val, reg); + v4l_err(client, "I2C: cannot write %03x to register R%d\n", val, reg); return -1; } @@ -88,38 +79,53 @@ static int wm8775_command(struct i2c_client *client, unsigned int cmd, void *arg) { struct wm8775_state *state = i2c_get_clientdata(client); - int *input = arg; + struct v4l2_routing *route = arg; + struct v4l2_control *ctrl = arg; switch (cmd) { - case AUDC_SET_INPUT: + 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 (route->input > 15) { + v4l_err(client, "Invalid input %d.\n", route->input); + return -EINVAL; + } + state->input = route->input; + if (state->muted) + break; wm8775_write(client, R21, 0x0c0); wm8775_write(client, R14, 0x1d4); wm8775_write(client, R15, 0x1d4); + wm8775_write(client, R21, 0x100 + state->input); + break; - if (*input == AUDIO_RADIO) { - wm8775_write(client, R21, 0x108); - state->input = 8; - state->muted = 0; - break; - } - if (*input == AUDIO_MUTE) { - state->muted = 1; - break; - } - if (*input == AUDIO_UNMUTE) { + case VIDIOC_G_CTRL: + if (ctrl->id != V4L2_CID_AUDIO_MUTE) + return -EINVAL; + ctrl->value = state->muted; + break; + + case VIDIOC_S_CTRL: + if (ctrl->id != V4L2_CID_AUDIO_MUTE) + return -EINVAL; + state->muted = ctrl->value; + wm8775_write(client, R21, 0x0c0); + wm8775_write(client, R14, 0x1d4); + wm8775_write(client, R15, 0x1d4); + if (!state->muted) wm8775_write(client, R21, 0x100 + state->input); - state->muted = 0; - break; - } - /* All other inputs... */ - wm8775_write(client, R21, 0x102); - state->input = 2; - state->muted = 0; break; case VIDIOC_LOG_STATUS: - wm8775_info("Input: %s%s\n", - state->input == 8 ? "radio" : "default", + v4l_info(client, "Input: %d%s\n", state->input, state->muted ? " (muted)" : ""); break; @@ -160,18 +166,16 @@ static int wm8775_attach(struct i2c_adapter *adapter, int address, int kind) if (!i2c_check_functionality(adapter, I2C_FUNC_SMBUS_BYTE_DATA)) return 0; - client = kmalloc(sizeof(struct i2c_client), GFP_KERNEL); + client = kzalloc(sizeof(struct i2c_client), GFP_KERNEL); if (client == 0) return -ENOMEM; - memset(client, 0, sizeof(struct i2c_client)); client->addr = address; client->adapter = adapter; client->driver = &i2c_driver; - client->flags = I2C_CLIENT_ALLOW_USE; snprintf(client->name, sizeof(client->name) - 1, "wm8775"); - wm8775_info("chip found @ 0x%x (%s)\n", address << 1, adapter->name); + v4l_info(client, "chip found @ 0x%x (%s)\n", address << 1, adapter->name); state = kmalloc(sizeof(struct wm8775_state), GFP_KERNEL); if (state == NULL) { @@ -207,11 +211,7 @@ static int wm8775_attach(struct i2c_adapter *adapter, int address, int kind) static int wm8775_probe(struct i2c_adapter *adapter) { -#ifdef I2C_CLASS_TV_ANALOG if (adapter->class & I2C_CLASS_TV_ANALOG) -#else - if (adapter->id == I2C_HW_B_BT848) -#endif return i2c_probe(adapter, &addr_data, wm8775_attach); return 0; } @@ -233,15 +233,13 @@ static int wm8775_detach(struct i2c_client *client) /* i2c implementation */ static struct i2c_driver i2c_driver = { - .name = "wm8775", - - .id = I2C_DRIVERID_WM8775, - .flags = I2C_DF_NOTIFY, - + .driver = { + .name = "wm8775", + }, + .id = I2C_DRIVERID_WM8775, .attach_adapter = wm8775_probe, - .detach_client = wm8775_detach, - .command = wm8775_command, - .owner = THIS_MODULE, + .detach_client = wm8775_detach, + .command = wm8775_command, };