From 04e3ece7153054e2694a882f6ffa54941574049c Mon Sep 17 00:00:00 2001 From: Mauro Carvalho Chehab Date: Sat, 21 Jan 2012 10:35:12 -0300 Subject: [PATCH] [media] az6007: Driver cleanup Remove commented test code, remove unused poweroff stuff, and fix the copyright data. Signed-off-by: Mauro Carvalho Chehab --- drivers/media/dvb/dvb-usb/az6007.c | 56 +++++++----------------------- 1 file changed, 13 insertions(+), 43 deletions(-) diff --git a/drivers/media/dvb/dvb-usb/az6007.c b/drivers/media/dvb/dvb-usb/az6007.c index f0e4c013bb5d..534d3267c86e 100644 --- a/drivers/media/dvb/dvb-usb/az6007.c +++ b/drivers/media/dvb/dvb-usb/az6007.c @@ -7,8 +7,9 @@ * http://linux.terratec.de/files/TERRATEC_H7/20110323_TERRATEC_H7_Linux.tar.gz * The original driver's license is GPL, as declared with MODULE_LICENSE() * - * Driver modifiyed by Mauro Carvalho Chehab in order - * to work with upstream drxk driver, and to fix some bugs. + * Copyright (c) 2010-2011 Mauro Carvalho Chehab + * Driver modified by in order to work with upstream drxk driver, and + * tons of bugs got fixed. * * This program is free software; you can redistribute it and/or modify * it under the terms of the GNU General Public License as published by @@ -58,7 +59,6 @@ struct az6007_device_state { /* Due to DRX-K - probably need changes */ int (*gate_ctrl) (struct dvb_frontend *, int); - struct semaphore pll_mutex; bool tuner_attached; unsigned char data[4096]; @@ -94,17 +94,11 @@ static int drxk_gate_ctrl(struct dvb_frontend *fe, int enable) if (!st) return -EINVAL; - if (enable) { -#if 0 - down(&st->pll_mutex); -#endif + if (enable) status = st->gate_ctrl(fe, 1); - } else { -#if 0 + else status = st->gate_ctrl(fe, 0); -#endif - up(&st->pll_mutex); - } + return status; } @@ -221,14 +215,6 @@ static int az6007_rc_query(struct dvb_usb_device *d, u32 * event, int *state) return 0; } -#if 0 -int az6007_power_ctrl(struct dvb_usb_device *d, int onoff) -{ - u8 v = onoff; - return az6007_write(d->udev, AZ6007_POWER, v , 3, NULL, 1); -} -#endif - static int az6007_read_mac_addr(struct dvb_usb_device *d, u8 mac[6]) { int ret; @@ -246,6 +232,7 @@ static int az6007_led_on_off(struct usb_interface *intf, int onoff) { struct usb_device *udev = interface_to_usbdev(intf); int ret; + /* TS through */ ret = az6007_write(udev, AZ6007_POWER, onoff, 0, NULL, 0); if (ret < 0) @@ -257,8 +244,6 @@ static int az6007_frontend_attach(struct dvb_usb_adapter *adap) { struct az6007_device_state *st = adap->dev->priv; - BUG_ON(!st); - deb_info("attaching demod drxk"); adap->fe_adap[0].fe = dvb_attach(drxk_attach, &terratec_h7_drxk, @@ -267,8 +252,6 @@ static int az6007_frontend_attach(struct dvb_usb_adapter *adap) return -EINVAL; adap->fe_adap[0].fe->sec_priv = adap; - /* FIXME: do we need a pll semaphore? */ - sema_init(&st->pll_mutex, 1); st->gate_ctrl = adap->fe_adap[0].fe->ops.i2c_gate_ctrl; adap->fe_adap[0].fe->ops.i2c_gate_ctrl = drxk_gate_ctrl; @@ -282,9 +265,8 @@ static int az6007_tuner_attach(struct dvb_usb_adapter *adap) if (st->tuner_attached) return 0; - st->tuner_attached = true; - deb_info("attaching tuner mt2063"); + /* Attach mt2063 to DVB-C frontend */ if (adap->fe_adap[0].fe->ops.i2c_gate_ctrl) adap->fe_adap[0].fe->ops.i2c_gate_ctrl(adap->fe_adap[0].fe, 1); @@ -296,6 +278,8 @@ static int az6007_tuner_attach(struct dvb_usb_adapter *adap) if (adap->fe_adap[0].fe->ops.i2c_gate_ctrl) adap->fe_adap[0].fe->ops.i2c_gate_ctrl(adap->fe_adap[0].fe, 0); + st->tuner_attached = true; + return 0; } @@ -355,25 +339,9 @@ int az6007_power_ctrl(struct dvb_usb_device *d, int onoff) az6007_write(udev, AZ6007_POWER, 0, 0, NULL, 0); az6007_write(udev, AZ6007_TS_THROUGH, 0, 0, NULL, 0); -#if 0 - // Seems to be a poweroff sequence - az6007_write(udev, 0xbc, 1, 3, NULL, 0); - az6007_write(udev, 0xbc, 1, 4, NULL, 0); - az6007_write(udev, 0xc0, 0, 3, NULL, 0); - az6007_write(udev, 0xc0, 1, 3, NULL, 0); - az6007_write(udev, 0xbc, 0, 1, NULL, 0); -#endif - return 0; } -static struct dvb_usb_device_properties az6007_properties; - -static void az6007_usb_disconnect(struct usb_interface *intf) -{ - dvb_usb_device_exit(intf); -} - /* I2C */ static int az6007_i2c_xfer(struct i2c_adapter *adap, struct i2c_msg msgs[], int num) @@ -513,6 +481,8 @@ int az6007_identify_state(struct usb_device *udev, return 0; } +static struct dvb_usb_device_properties az6007_properties; + static int az6007_usb_probe(struct usb_interface *intf, const struct usb_device_id *id) { @@ -589,7 +559,6 @@ static struct usb_driver az6007_usb_driver = { .name = "dvb_usb_az6007", .probe = az6007_usb_probe, .disconnect = dvb_usb_device_exit, - /* .disconnect = az6007_usb_disconnect, */ .id_table = az6007_usb_table, }; @@ -619,6 +588,7 @@ module_init(az6007_usb_module_init); module_exit(az6007_usb_module_exit); MODULE_AUTHOR("Henry Wang "); +MODULE_AUTHOR("Mauro Carvalho Chehab "); MODULE_DESCRIPTION("Driver for AzureWave 6007 DVB-C/T USB2.0 and clones"); MODULE_VERSION("1.1"); MODULE_LICENSE("GPL"); -- 2.30.2