]> pilppa.org Git - linux-2.6-omap-h63xx.git/blobdiff - drivers/media/video/cs53l32a.c
V4L/DVB (5163): Add checks for CAP_SYS_ADMIN to VIDIOC_DBG_G_REGISTER
[linux-2.6-omap-h63xx.git] / drivers / media / video / cs53l32a.c
index 7d997aeda63eb1e56019e38d186e18563e411981..de87247c74ee95138b78fa9f7d1eabd62700b8d3 100644 (file)
@@ -27,7 +27,7 @@
 #include <linux/i2c.h>
 #include <linux/i2c-id.h>
 #include <linux/videodev.h>
-#include <media/audiochip.h>
+#include <media/v4l2-common.h>
 
 MODULE_DESCRIPTION("i2c device driver for cs53l32a Audio ADC");
 MODULE_AUTHOR("Martin Vaughan");
@@ -39,21 +39,6 @@ module_param(debug, bool, 0644);
 
 MODULE_PARM_DESC(debug, "Debugging messages\n\t\t\t0=Off (default), 1=On");
 
-#define cs53l32a_dbg(fmt, arg...) \
-       do { \
-               if (debug) \
-                       printk(KERN_INFO "%s debug %d-%04x: " fmt, \
-                              client->driver->driver.name, \
-                              i2c_adapter_id(client->adapter), client->addr , ## arg); \
-       } while (0)
-
-#define cs53l32a_err(fmt, arg...) do { \
-       printk(KERN_ERR "%s %d-%04x: " fmt, client->driver->driver.name, \
-               i2c_adapter_id(client->adapter), client->addr , ## arg); } while (0)
-#define cs53l32a_info(fmt, arg...) do { \
-       printk(KERN_INFO "%s %d-%04x: " fmt, client->driver->driver.name, \
-               i2c_adapter_id(client->adapter), client->addr , ## arg); } while (0)
-
 static unsigned short normal_i2c[] = { 0x22 >> 1, I2C_CLIENT_END };
 
 
@@ -74,25 +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) {
-                       cs53l32a_err("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));
-               break;
-
-       case VIDIOC_G_AUDIO:
-               memset(input, 0, sizeof(*input));
-               input->index = (cs53l32a_read(client, 0x01) >> 4) & 3;
+               cs53l32a_write(client, 0x01, 0x01 + (route->input << 4));
                break;
 
        case VIDIOC_G_CTRL:
@@ -124,9 +109,9 @@ static int cs53l32a_command(struct i2c_client *client, unsigned int cmd,
                        u8 m = cs53l32a_read(client, 0x03);
                        s8 vol = cs53l32a_read(client, 0x04);
 
-                       cs53l32a_info("Input:  %d%s\n", (v >> 4) & 3,
+                       v4l_info(client, "Input:  %d%s\n", (v >> 4) & 3,
                                      (m & 0xC0) ? " (muted)" : "");
-                       cs53l32a_info("Volume: %d dB\n", vol);
+                       v4l_info(client, "Volume: %d dB\n", vol);
                        break;
                }
 
@@ -156,22 +141,21 @@ static int cs53l32a_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;
        snprintf(client->name, sizeof(client->name) - 1, "cs53l32a");
 
-       cs53l32a_info("chip found @ 0x%x (%s)\n", address << 1, adapter->name);
+       v4l_info(client, "chip found @ 0x%x (%s)\n", address << 1, adapter->name);
 
        for (i = 1; i <= 7; i++) {
                u8 v = cs53l32a_read(client, i);
 
-               cs53l32a_dbg("Read Reg %d %02x\n", i, v);
+               v4l_dbg(1, debug, client, "Read Reg %d %02x\n", i, v);
        }
 
        /* Set cs53l32a internal register for Adaptec 2010/2410 setup */
@@ -189,7 +173,7 @@ static int cs53l32a_attach(struct i2c_adapter *adapter, int address, int kind)
        for (i = 1; i <= 7; i++) {
                u8 v = cs53l32a_read(client, i);
 
-               cs53l32a_dbg("Read Reg %d %02x\n", i, v);
+               v4l_dbg(1, debug, client, "Read Reg %d %02x\n", i, v);
        }
 
        i2c_attach_client(client);