Messages in this thread Patch in this message | | | Subject | [PATCH 3/6] [DVB] mt312 DVB frontend update | Date | Tue, 29 Jul 2003 11:30:31 +0200 | From | Michael Hunold (LinuxTV.org CVS maintainer) <> |
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[DVB] - show i2c read errors only for registered frontends diff -uNrwB --new-file linux-2.6.0-test2.work/drivers/media/dvb/frontends/mt312.c linux-2.6.0-test2.patch/drivers/media/dvb/frontends/mt312.c --- linux-2.6.0-test2.work/drivers/media/dvb/frontends/mt312.c 2003-07-29 09:10:18.000000000 +0200 +++ linux-2.6.0-test2.patch/drivers/media/dvb/frontends/mt312.c 2003-07-29 09:17:53.000000000 +0200 @@ -41,6 +41,9 @@ #define MT312_SYS_CLK 90000000UL /* 90 MHz */ #define MT312_PLL_CLK 10000000UL /* 10 MHz */ +/* number of active frontends */ +static int mt312_count = 0; + static struct dvb_frontend_info mt312_info = { .name = "Zarlink MT312", .type = FE_QPSK, @@ -78,7 +81,7 @@ ret = i2c->xfer(i2c, msg, 2); - if (ret != 2) { + if ((ret != 2) && (mt312_count != 0)) { printk(KERN_ERR "%s: ret == %d\n", __FUNCTION__, ret); return -EREMOTEIO; } @@ -722,13 +725,21 @@ if ((id != ID_VP310) && (id != ID_MT312)) return -ENODEV; - return dvb_register_frontend(mt312_ioctl, i2c, (void *) (long) id, - &mt312_info); + if ((ret = dvb_register_frontend(mt312_ioctl, i2c, + (void *)(long)id, &mt312_info)) < 0) + return ret; + + mt312_count++; + + return 0; } static void mt312_detach(struct dvb_i2c_bus *i2c) { dvb_unregister_frontend(mt312_ioctl, i2c); + + if (mt312_count) + mt312_count--; } static int __init mt312_module_init(void) - To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
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