From patchwork Thu Oct 30 20:12:34 2014 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Matthias Schwarzott X-Patchwork-Id: 26632 Received: from mail.tu-berlin.de ([130.149.7.33]) by www.linuxtv.org with esmtp (Exim 4.72) (envelope-from ) id 1Xjw65-0001Cy-Pe; Thu, 30 Oct 2014 21:13:29 +0100 X-tubIT-Incoming-IP: 209.132.180.67 Received: from vger.kernel.org ([209.132.180.67]) by mail.tu-berlin.de (exim-4.72/mailfrontend-6) with esmtp id 1Xjw63-0005d7-61; Thu, 30 Oct 2014 21:13:29 +0100 Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S932745AbaJ3UNY (ORCPT + 1 other); Thu, 30 Oct 2014 16:13:24 -0400 Received: from smtp.gentoo.org ([140.211.166.183]:35031 "EHLO smtp.gentoo.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1161153AbaJ3UNV (ORCPT ); Thu, 30 Oct 2014 16:13:21 -0400 Received: from gauss.fritz.box (aftr-88-217-181-163.dynamic.mnet-online.de [88.217.181.163]) (using TLSv1.2 with cipher ECDHE-RSA-AES128-SHA256 (128/128 bits)) (No client certificate requested) (Authenticated sender: zzam) by smtp.gentoo.org (Postfix) with ESMTPSA id A0B5E3404BB; Thu, 30 Oct 2014 20:13:19 +0000 (UTC) From: Matthias Schwarzott To: mchehab@osg.samsung.com, crope@iki.fi, linux-media@vger.kernel.org Cc: Matthias Schwarzott Subject: [PATCH v4 13/14] cx231xx: drop unconditional port3 switching Date: Thu, 30 Oct 2014 21:12:34 +0100 Message-Id: <1414699955-5760-14-git-send-email-zzam@gentoo.org> X-Mailer: git-send-email 2.1.2 In-Reply-To: <1414699955-5760-1-git-send-email-zzam@gentoo.org> References: <1414699955-5760-1-git-send-email-zzam@gentoo.org> Sender: linux-media-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-media@vger.kernel.org X-PMX-Version: 6.0.0.2142326, Antispam-Engine: 2.7.2.2107409, Antispam-Data: 2014.10.30.200321 X-PMX-Spam: Gauge=X, Probability=10%, Report=' HASHBUSTER_BLOCK_V2 0.5, HTML_00_01 0.05, HTML_00_10 0.05, BODY_SIZE_5000_5999 0, BODY_SIZE_7000_LESS 0, URI_ENDS_IN_HTML 0, __ANY_URI 0, __CP_URI_IN_BODY 0, __HASHBUSTER_BLOCK_V2_1 0, __HAS_FROM 0, __HAS_MSGID 0, __HAS_X_MAILER 0, __HAS_X_MAILING_LIST 0, __IN_REP_TO 0, __MIME_TEXT_ONLY 0, __SANE_MSGID 0, __STOCK_PHRASE_7 0, __SUBJ_ALPHA_END 0, __TO_MALFORMED_2 0, __TO_NO_NAME 0, __URI_NO_WWW 0, __URI_NS ' All switching should be done by i2c mux adapters. Drop explicit dont_use_port_3 flag. Drop info message about switch. Only the removed code in start_streaming is questionable: It did switch the port_3 flag without accessing i2c in between. Signed-off-by: Matthias Schwarzott Reviewed-by: Antti Palosaari --- drivers/media/usb/cx231xx/cx231xx-avcore.c | 18 ------------------ drivers/media/usb/cx231xx/cx231xx-cards.c | 8 -------- drivers/media/usb/cx231xx/cx231xx-core.c | 4 +--- drivers/media/usb/cx231xx/cx231xx-dvb.c | 4 ---- drivers/media/usb/cx231xx/cx231xx.h | 1 - 5 files changed, 1 insertion(+), 34 deletions(-) diff --git a/drivers/media/usb/cx231xx/cx231xx-avcore.c b/drivers/media/usb/cx231xx/cx231xx-avcore.c index a3e4915..781908b 100644 --- a/drivers/media/usb/cx231xx/cx231xx-avcore.c +++ b/drivers/media/usb/cx231xx/cx231xx-avcore.c @@ -1270,9 +1270,6 @@ int cx231xx_enable_i2c_port_3(struct cx231xx *dev, bool is_port_3) int status = 0; bool current_is_port_3; - if (dev->board.dont_use_port_3) - is_port_3 = false; - /* * Should this code check dev->port_3_switch_enabled first * to skip unnecessary reading of the register? @@ -1296,9 +1293,6 @@ int cx231xx_enable_i2c_port_3(struct cx231xx *dev, bool is_port_3) else value[0] &= ~I2C_DEMOD_EN; - cx231xx_info("Changing the i2c master port to %d\n", - is_port_3 ? 3 : 1); - status = cx231xx_write_ctrl_reg(dev, VRT_SET_REGISTER, PWR_CTL_EN, value, 4); @@ -2328,9 +2322,6 @@ int cx231xx_set_power_mode(struct cx231xx *dev, enum AV_MODE mode) } if (dev->board.tuner_type != TUNER_ABSENT) { - /* Enable tuner */ - cx231xx_enable_i2c_port_3(dev, true); - /* reset the Tuner */ if (dev->board.tuner_gpio) cx231xx_gpio_set(dev, dev->board.tuner_gpio); @@ -2395,15 +2386,6 @@ int cx231xx_set_power_mode(struct cx231xx *dev, enum AV_MODE mode) } if (dev->board.tuner_type != TUNER_ABSENT) { - /* - * Enable tuner - * Hauppauge Exeter seems to need to do something different! - */ - if (dev->model == CX231XX_BOARD_HAUPPAUGE_EXETER) - cx231xx_enable_i2c_port_3(dev, false); - else - cx231xx_enable_i2c_port_3(dev, true); - /* reset the Tuner */ if (dev->board.tuner_gpio) cx231xx_gpio_set(dev, dev->board.tuner_gpio); diff --git a/drivers/media/usb/cx231xx/cx231xx-cards.c b/drivers/media/usb/cx231xx/cx231xx-cards.c index 4eb2057..432cbcf 100644 --- a/drivers/media/usb/cx231xx/cx231xx-cards.c +++ b/drivers/media/usb/cx231xx/cx231xx-cards.c @@ -262,7 +262,6 @@ struct cx231xx_board cx231xx_boards[] = { .norm = V4L2_STD_PAL, .no_alt_vanc = 1, .external_av = 1, - .dont_use_port_3 = 1, /* Actually, it has a 417, but it isn't working correctly. * So set to 0 for now until someone can manage to get this * to work reliably. */ @@ -390,7 +389,6 @@ struct cx231xx_board cx231xx_boards[] = { .norm = V4L2_STD_NTSC, .no_alt_vanc = 1, .external_av = 1, - .dont_use_port_3 = 1, .input = {{ .type = CX231XX_VMUX_COMPOSITE1, .vmux = CX231XX_VIN_2_1, @@ -532,7 +530,6 @@ struct cx231xx_board cx231xx_boards[] = { .norm = V4L2_STD_NTSC, .no_alt_vanc = 1, .external_av = 1, - .dont_use_port_3 = 1, .input = {{ .type = CX231XX_VMUX_COMPOSITE1, @@ -656,7 +653,6 @@ struct cx231xx_board cx231xx_boards[] = { .norm = V4L2_STD_NTSC, .no_alt_vanc = 1, .external_av = 1, - .dont_use_port_3 = 1, .input = {{ .type = CX231XX_VMUX_COMPOSITE1, .vmux = CX231XX_VIN_2_1, @@ -683,7 +679,6 @@ struct cx231xx_board cx231xx_boards[] = { .norm = V4L2_STD_NTSC, .no_alt_vanc = 1, .external_av = 1, - .dont_use_port_3 = 1, /*.has_417 = 1, */ /* This board is believed to have a hardware encoding chip * supporting mpeg1/2/4, but as the 417 is apparently not @@ -1012,9 +1007,6 @@ static int read_eeprom(struct cx231xx *dev, struct i2c_client *client, len_todo -= msg_read.len; } - cx231xx_enable_i2c_port_3(dev, true); - /* mutex_unlock(&dev->i2c_lock); */ - for (i = 0; i + 15 < len; i += 16) cx231xx_info("i2c eeprom %02x: %*ph\n", i, 16, &eedata[i]); diff --git a/drivers/media/usb/cx231xx/cx231xx-core.c b/drivers/media/usb/cx231xx/cx231xx-core.c index c8a6d20..c49022f 100644 --- a/drivers/media/usb/cx231xx/cx231xx-core.c +++ b/drivers/media/usb/cx231xx/cx231xx-core.c @@ -1407,9 +1407,7 @@ int cx231xx_dev_init(struct cx231xx *dev) if (dev->board.has_dvb) cx231xx_set_alt_setting(dev, INDEX_TS1, 0); - /* set the I2C master port to 3 on channel 1 */ - errCode = cx231xx_enable_i2c_port_3(dev, true); - + errCode = 0; return errCode; } EXPORT_SYMBOL_GPL(cx231xx_dev_init); diff --git a/drivers/media/usb/cx231xx/cx231xx-dvb.c b/drivers/media/usb/cx231xx/cx231xx-dvb.c index 869c433..2ea6946 100644 --- a/drivers/media/usb/cx231xx/cx231xx-dvb.c +++ b/drivers/media/usb/cx231xx/cx231xx-dvb.c @@ -266,11 +266,7 @@ static int start_streaming(struct cx231xx_dvb *dvb) if (dev->USE_ISO) { cx231xx_info("DVB transfer mode is ISO.\n"); - mutex_lock(&dev->i2c_lock); - cx231xx_enable_i2c_port_3(dev, false); cx231xx_set_alt_setting(dev, INDEX_TS1, 4); - cx231xx_enable_i2c_port_3(dev, true); - mutex_unlock(&dev->i2c_lock); rc = cx231xx_set_mode(dev, CX231XX_DIGITAL_MODE); if (rc < 0) return rc; diff --git a/drivers/media/usb/cx231xx/cx231xx.h b/drivers/media/usb/cx231xx/cx231xx.h index c90aa44..a0ec241 100644 --- a/drivers/media/usb/cx231xx/cx231xx.h +++ b/drivers/media/usb/cx231xx/cx231xx.h @@ -368,7 +368,6 @@ struct cx231xx_board { unsigned int valid:1; unsigned int no_alt_vanc:1; unsigned int external_av:1; - unsigned int dont_use_port_3:1; unsigned char xclk, i2c_speed;