diff options
Diffstat (limited to 'linux/drivers/media/video/au0828/au0828-i2c.c')
| -rw-r--r-- | linux/drivers/media/video/au0828/au0828-i2c.c | 86 |
1 files changed, 14 insertions, 72 deletions
diff --git a/linux/drivers/media/video/au0828/au0828-i2c.c b/linux/drivers/media/video/au0828/au0828-i2c.c index a051f7129..783f86dd9 100644 --- a/linux/drivers/media/video/au0828/au0828-i2c.c +++ b/linux/drivers/media/video/au0828/au0828-i2c.c @@ -30,19 +30,14 @@ #include <media/v4l2-common.h> -static unsigned int i2c_debug; -module_param(i2c_debug, int, 0644); +unsigned int i2c_debug = 0; +module_param(i2c_debug, int, 0444); MODULE_PARM_DESC(i2c_debug, "enable debug messages [i2c]"); -static unsigned int i2c_scan = 0; +unsigned int i2c_scan = 0; module_param(i2c_scan, int, 0444); MODULE_PARM_DESC(i2c_scan, "scan i2c bus at insmod time"); -#define dprintk(level, fmt, arg...)\ - do { if (i2c_debug >= level)\ - printk(KERN_DEBUG "%s/0: " fmt, DRIVER_NAME, ## arg);\ - } while (0) - #define I2C_WAIT_DELAY 512 #define I2C_WAIT_RETRY 64 @@ -147,7 +142,7 @@ static int i2c_sendbytes(struct i2c_adapter *i2c_adap, int i, strobe = 0; struct au0828_dev *dev = i2c_adap->algo_data; - dprintk(1, "%s()\n", __FUNCTION__); + dprintk(4, "%s()\n", __FUNCTION__); au0828_write(dev, REG_2FF, 0x01); au0828_write(dev, REG_202, 0x07); @@ -155,13 +150,11 @@ static int i2c_sendbytes(struct i2c_adapter *i2c_adap, /* Hardware needs 8 bit addresses */ au0828_write(dev, REG_203, msg->addr << 1); - if (i2c_debug) - dprintk(1, "SEND: %02x\n", msg->addr); + dprintk(4, "SEND: %02x\n", msg->addr); for (i=0; i < msg->len;) { - if (i2c_debug) - dprintk(1, " %02x\n", msg->buf[i]); + dprintk(4, " %02x\n", msg->buf[i]); au0828_write(dev, REG_205, msg->buf[i]); @@ -192,8 +185,7 @@ static int i2c_sendbytes(struct i2c_adapter *i2c_adap, if (!i2c_wait_done(i2c_adap)) return -EIO; - if (i2c_debug) - dprintk(1, "\n"); + dprintk(4, "\n"); return msg->len; } @@ -205,7 +197,7 @@ static int i2c_readbytes(struct i2c_adapter *i2c_adap, struct au0828_dev *dev = i2c_adap->algo_data; int i; - dprintk(1, "%s()\n", __FUNCTION__); + dprintk(4, "%s()\n", __FUNCTION__); au0828_write(dev, REG_2FF, 0x01); au0828_write(dev, REG_202, 0x07); @@ -213,8 +205,7 @@ static int i2c_readbytes(struct i2c_adapter *i2c_adap, /* Hardware needs 8 bit addresses */ au0828_write(dev, REG_203, msg->addr << 1); - if (i2c_debug) - dprintk(1, " RECV:\n"); + dprintk(4, " RECV:\n"); /* Deal with i2c_scan */ if (msg->len == 0) { @@ -238,14 +229,12 @@ static int i2c_readbytes(struct i2c_adapter *i2c_adap, msg->buf[i-1] = au0828_read(dev, REG_209) & 0xff; - if (i2c_debug) - dprintk(1, " %02x\n", msg->buf[i-1]); + dprintk(4, " %02x\n", msg->buf[i-1]); } if (!i2c_wait_done(i2c_adap)) return -EIO; - if (i2c_debug) - dprintk(1, "\n"); + dprintk(4, "\n"); return msg->len; } @@ -255,10 +244,10 @@ static int i2c_xfer(struct i2c_adapter *i2c_adap, { int i, retval = 0; - dprintk(1, "%s(num = %d)\n", __FUNCTION__, num); + dprintk(4, "%s(num = %d)\n", __FUNCTION__, num); for (i = 0 ; i < num; i++) { - dprintk(1, "%s(num = %d) addr = 0x%02x len = 0x%x\n", + dprintk(4, "%s(num = %d) addr = 0x%02x len = 0x%x\n", __FUNCTION__, num, msgs[i].addr, msgs[i].len); if (msgs[i].flags & I2C_M_RD) { /* read */ @@ -346,44 +335,6 @@ static char *i2c_devs[128] = { [ 0xc2 >> 1 ] = "tuner/xc5000", }; -#if 0 -static void dump_eeprom(struct i2c_adapter *a) -{ - unsigned char buf[16]; - int i, ret; - u8 b0[] = { 0 }; - - struct i2c_msg msg [] = { - { .addr = 0xa0 >> 1, .flags = 0, - .buf = b0, .len = 1 }, - { .addr = 0xa0 >> 1, .flags = I2C_M_RD, - .buf = buf, .len = sizeof(buf) } }; - - dprintk(1, "%s()\n", __FUNCTION__); - - memset(&buf[0], 0, sizeof(buf)); - ret = i2c_transfer(a, msg, 2); - if (ret != 2) - printk("%s() ERR ret = %d\n", __FUNCTION__, ret); - - for(i=0;i<sizeof(buf);i+=16) { - printk("%04x: %02x %02x %02x %02x %02x %02x %02x %02x " - "%02x %02x %02x %02x %02x %02x %02x %02x\n" - , i - , buf[i+0], buf[i+1] - , buf[i+2], buf[i+3] - , buf[i+4], buf[i+5] - , buf[i+6], buf[i+7] - , buf[i+8], buf[i+9] - , buf[i+10], buf[i+11] - , buf[i+12], buf[i+13] - , buf[i+14], buf[i+15] - ); - } - - -} -#endif static void do_i2c_scan(char *name, struct i2c_client *c) { unsigned char buf; @@ -429,9 +380,7 @@ int au0828_i2c_register(struct au0828_dev *dev) do_i2c_scan(DRIVER_NAME, &dev->i2c_client); } else printk("%s: i2c bus register FAILED\n", DRIVER_NAME); -#if 0 - dump_eeprom(&dev->i2c_adap); -#endif + return dev->i2c_rc; } @@ -441,10 +390,3 @@ int au0828_i2c_unregister(struct au0828_dev *dev) return 0; } -/* ----------------------------------------------------------------------- */ - -/* - * Local variables: - * c-basic-offset: 8 - * End: - */ |