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Date: Thu, 3 Oct 2019 10:06:20 +0200 Message-Id: <20191003080620.3885-2-gonsolo@gmail.com> X-Mailer: git-send-email 2.20.1 In-Reply-To: <20191002154922.7f1cfc76@coco.lan> References: <20191002154922.7f1cfc76@coco.lan> MIME-Version: 1.0 Content-Transfer-Encoding: 8bit Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Signed-off-by: Gon Solo --- drivers/media/tuners/si2157.c | 32 ++++++++++++++++----------- drivers/media/usb/dvb-usb-v2/af9035.c | 14 ++++++++---- 2 files changed, 29 insertions(+), 17 deletions(-) diff --git a/drivers/media/tuners/si2157.c b/drivers/media/tuners/si2157.c index d389f1fc237a..9e20727b7e84 100644 --- a/drivers/media/tuners/si2157.c +++ b/drivers/media/tuners/si2157.c @@ -75,6 +75,24 @@ static int si2157_cmd_execute(struct i2c_client *client, struct si2157_cmd *cmd) return ret; } +static int si2157_power_up(struct si2157_dev *dev, struct i2c_client *client) +{ + struct si2157_cmd cmd; + + if (dev->chiptype == SI2157_CHIPTYPE_SI2146) { + memcpy(cmd.args, "\xc0\x05\x01\x00\x00\x0b\x00\x00\x01", 9); + cmd.wlen = 9; + } else if (dev->chiptype == SI2157_CHIPTYPE_SI2141) { + memcpy(cmd.args, "\xc0\x00\x0d\x0e\x00\x01\x01\x01\x01\x03", 10); + cmd.wlen = 10; + } else { + memcpy(cmd.args, "\xc0\x00\x0c\x00\x00\x01\x01\x01\x01\x01\x01\x02\x00\x00\x01", 15); + cmd.wlen = 15; + } + cmd.rlen = 1; + return si2157_cmd_execute(client, &cmd); +} + static int si2157_init(struct dvb_frontend *fe) { struct i2c_client *client = fe->tuner_priv; @@ -102,19 +120,7 @@ static int si2157_init(struct dvb_frontend *fe) if (uitmp == dev->if_frequency / 1000) goto warm; - /* power up */ - if (dev->chiptype == SI2157_CHIPTYPE_SI2146) { - memcpy(cmd.args, "\xc0\x05\x01\x00\x00\x0b\x00\x00\x01", 9); - cmd.wlen = 9; - } else if (dev->chiptype == SI2157_CHIPTYPE_SI2141) { - memcpy(cmd.args, "\xc0\x00\x0d\x0e\x00\x01\x01\x01\x01\x03", 10); - cmd.wlen = 10; - } else { - memcpy(cmd.args, "\xc0\x00\x0c\x00\x00\x01\x01\x01\x01\x01\x01\x02\x00\x00\x01", 15); - cmd.wlen = 15; - } - cmd.rlen = 1; - ret = si2157_cmd_execute(client, &cmd); + ret = si2157_power_up(dev, client); if (ret) goto err; diff --git a/drivers/media/usb/dvb-usb-v2/af9035.c b/drivers/media/usb/dvb-usb-v2/af9035.c index 80d3bd3a0f24..c4d4994e0079 100644 --- a/drivers/media/usb/dvb-usb-v2/af9035.c +++ b/drivers/media/usb/dvb-usb-v2/af9035.c @@ -1207,6 +1207,9 @@ static int af9035_frontend_attach(struct dvb_usb_adapter *adap) return ret; } +/* I2C speed register = (1000000000 / (24.4 * 16 * I2C_speed)) */ +#define I2C_SPEED_REGISTER 26 + static int it930x_frontend_attach(struct dvb_usb_adapter *adap) { struct state *state = adap_to_priv(adap); @@ -1575,13 +1578,13 @@ static int it930x_tuner_attach(struct dvb_usb_adapter *adap) dev_dbg(&intf->dev, "adap->id=%d\n", adap->id); - /* I2C master bus 2 clock speed 300k */ - ret = af9035_wr_reg(d, 0x00f6a7, 0x07); + /* I2C master bus 2 clock speed ~100k */ + ret = af9035_wr_reg(d, 0x00f6a7, I2C_SPEED_REGISTER); if (ret < 0) goto err; - /* I2C master bus 1,3 clock speed 300k */ - ret = af9035_wr_reg(d, 0x00f103, 0x07); + /* I2C master bus 1,3 clock speed ~100k */ + ret = af9035_wr_reg(d, 0x00f103, I2C_SPEED_REGISTER); if (ret < 0) goto err; @@ -2128,6 +2131,9 @@ static const struct usb_device_id af9035_id_table[] = { /* IT930x devices */ { DVB_USB_DEVICE(USB_VID_ITETECH, USB_PID_ITETECH_IT9303, &it930x_props, "ITE 9303 Generic", NULL) }, + + { DVB_USB_DEVICE(USB_VID_DEXATEK, 0x0100, + &it930x_props, "Logilink VG0022A", NULL) }, { } }; MODULE_DEVICE_TABLE(usb, af9035_id_table); -- 2.20.1