From mboxrd@z Thu Jan 1 00:00:00 1970 Return-path: Received: from mail.kapsi.fi ([217.30.184.167]:58298 "EHLO mail.kapsi.fi" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1752914AbaHVAeB (ORCPT ); Thu, 21 Aug 2014 20:34:01 -0400 From: Antti Palosaari To: linux-media@vger.kernel.org Cc: Antti Palosaari Subject: [PATCH 2/6] m88ts2022: rename device state (priv => s) Date: Fri, 22 Aug 2014 03:33:37 +0300 Message-Id: <1408667621-12072-2-git-send-email-crope@iki.fi> In-Reply-To: <1408667621-12072-1-git-send-email-crope@iki.fi> References: <1408667621-12072-1-git-send-email-crope@iki.fi> Sender: linux-media-owner@vger.kernel.org List-ID: I like short names for things which are used everywhere overall the driver. Due to that rename device state pointer from 'priv' to 's'. Signed-off-by: Antti Palosaari --- drivers/media/tuners/m88ts2022.c | 190 +++++++++++++++++----------------- drivers/media/tuners/m88ts2022_priv.h | 2 +- 2 files changed, 96 insertions(+), 96 deletions(-) diff --git a/drivers/media/tuners/m88ts2022.c b/drivers/media/tuners/m88ts2022.c index f51b107..43856df 100644 --- a/drivers/media/tuners/m88ts2022.c +++ b/drivers/media/tuners/m88ts2022.c @@ -19,7 +19,7 @@ #include "m88ts2022_priv.h" /* write multiple registers */ -static int m88ts2022_wr_regs(struct m88ts2022_priv *priv, +static int m88ts2022_wr_regs(struct m88ts2022 *s, u8 reg, const u8 *val, int len) { #define MAX_WR_LEN 3 @@ -28,7 +28,7 @@ static int m88ts2022_wr_regs(struct m88ts2022_priv *priv, u8 buf[MAX_WR_XFER_LEN]; struct i2c_msg msg[1] = { { - .addr = priv->client->addr, + .addr = s->client->addr, .flags = 0, .len = 1 + len, .buf = buf, @@ -41,11 +41,11 @@ static int m88ts2022_wr_regs(struct m88ts2022_priv *priv, buf[0] = reg; memcpy(&buf[1], val, len); - ret = i2c_transfer(priv->client->adapter, msg, 1); + ret = i2c_transfer(s->client->adapter, msg, 1); if (ret == 1) { ret = 0; } else { - dev_warn(&priv->client->dev, + dev_warn(&s->client->dev, "%s: i2c wr failed=%d reg=%02x len=%d\n", KBUILD_MODNAME, ret, reg, len); ret = -EREMOTEIO; @@ -55,7 +55,7 @@ static int m88ts2022_wr_regs(struct m88ts2022_priv *priv, } /* read multiple registers */ -static int m88ts2022_rd_regs(struct m88ts2022_priv *priv, u8 reg, +static int m88ts2022_rd_regs(struct m88ts2022 *s, u8 reg, u8 *val, int len) { #define MAX_RD_LEN 1 @@ -64,12 +64,12 @@ static int m88ts2022_rd_regs(struct m88ts2022_priv *priv, u8 reg, u8 buf[MAX_RD_XFER_LEN]; struct i2c_msg msg[2] = { { - .addr = priv->client->addr, + .addr = s->client->addr, .flags = 0, .len = 1, .buf = ®, }, { - .addr = priv->client->addr, + .addr = s->client->addr, .flags = I2C_M_RD, .len = len, .buf = buf, @@ -79,12 +79,12 @@ static int m88ts2022_rd_regs(struct m88ts2022_priv *priv, u8 reg, if (WARN_ON(len > MAX_RD_LEN)) return -EINVAL; - ret = i2c_transfer(priv->client->adapter, msg, 2); + ret = i2c_transfer(s->client->adapter, msg, 2); if (ret == 2) { memcpy(val, buf, len); ret = 0; } else { - dev_warn(&priv->client->dev, + dev_warn(&s->client->dev, "%s: i2c rd failed=%d reg=%02x len=%d\n", KBUILD_MODNAME, ret, reg, len); ret = -EREMOTEIO; @@ -94,19 +94,19 @@ static int m88ts2022_rd_regs(struct m88ts2022_priv *priv, u8 reg, } /* write single register */ -static int m88ts2022_wr_reg(struct m88ts2022_priv *priv, u8 reg, u8 val) +static int m88ts2022_wr_reg(struct m88ts2022 *s, u8 reg, u8 val) { - return m88ts2022_wr_regs(priv, reg, &val, 1); + return m88ts2022_wr_regs(s, reg, &val, 1); } /* read single register */ -static int m88ts2022_rd_reg(struct m88ts2022_priv *priv, u8 reg, u8 *val) +static int m88ts2022_rd_reg(struct m88ts2022 *s, u8 reg, u8 *val) { - return m88ts2022_rd_regs(priv, reg, val, 1); + return m88ts2022_rd_regs(s, reg, val, 1); } /* write single register with mask */ -static int m88ts2022_wr_reg_mask(struct m88ts2022_priv *priv, +static int m88ts2022_wr_reg_mask(struct m88ts2022 *s, u8 reg, u8 val, u8 mask) { int ret; @@ -114,7 +114,7 @@ static int m88ts2022_wr_reg_mask(struct m88ts2022_priv *priv, /* no need for read if whole reg is written */ if (mask != 0xff) { - ret = m88ts2022_rd_regs(priv, reg, &u8tmp, 1); + ret = m88ts2022_rd_regs(s, reg, &u8tmp, 1); if (ret) return ret; @@ -123,13 +123,13 @@ static int m88ts2022_wr_reg_mask(struct m88ts2022_priv *priv, val |= u8tmp; } - return m88ts2022_wr_regs(priv, reg, &val, 1); + return m88ts2022_wr_regs(s, reg, &val, 1); } static int m88ts2022_cmd(struct dvb_frontend *fe, int op, int sleep, u8 reg, u8 mask, u8 val, u8 *reg_val) { - struct m88ts2022_priv *priv = fe->tuner_priv; + struct m88ts2022 *s = fe->tuner_priv; int ret, i; u8 u8tmp; struct m88ts2022_reg_val reg_vals[] = { @@ -140,12 +140,12 @@ static int m88ts2022_cmd(struct dvb_frontend *fe, }; for (i = 0; i < 2; i++) { - dev_dbg(&priv->client->dev, + dev_dbg(&s->client->dev, "%s: i=%d op=%02x reg=%02x mask=%02x val=%02x\n", __func__, i, op, reg, mask, val); for (i = 0; i < ARRAY_SIZE(reg_vals); i++) { - ret = m88ts2022_wr_reg(priv, reg_vals[i].reg, + ret = m88ts2022_wr_reg(s, reg_vals[i].reg, reg_vals[i].val); if (ret) goto err; @@ -153,7 +153,7 @@ static int m88ts2022_cmd(struct dvb_frontend *fe, usleep_range(sleep * 1000, sleep * 10000); - ret = m88ts2022_rd_reg(priv, reg, &u8tmp); + ret = m88ts2022_rd_reg(s, reg, &u8tmp); if (ret) goto err; @@ -169,7 +169,7 @@ err: static int m88ts2022_set_params(struct dvb_frontend *fe) { - struct m88ts2022_priv *priv = fe->tuner_priv; + struct m88ts2022 *s = fe->tuner_priv; struct dtv_frontend_properties *c = &fe->dtv_property_cache; int ret; unsigned int frequency_khz, frequency_offset_khz, f_3db_hz; @@ -177,14 +177,14 @@ static int m88ts2022_set_params(struct dvb_frontend *fe) u8 buf[3], u8tmp, cap_code, lpf_gm, lpf_mxdiv, div_max, div_min; u16 u16tmp; - dev_dbg(&priv->client->dev, + dev_dbg(&s->client->dev, "%s: frequency=%d symbol_rate=%d rolloff=%d\n", __func__, c->frequency, c->symbol_rate, c->rolloff); /* * Integer-N PLL synthesizer * kHz is used for all calculations to keep calculations within 32-bit */ - f_ref_khz = DIV_ROUND_CLOSEST(priv->cfg.clock, 1000); + f_ref_khz = DIV_ROUND_CLOSEST(s->cfg.clock, 1000); div_ref = DIV_ROUND_CLOSEST(f_ref_khz, 2000); if (c->symbol_rate < 5000000) @@ -204,14 +204,14 @@ static int m88ts2022_set_params(struct dvb_frontend *fe) buf[0] = u8tmp; buf[1] = 0x40; - ret = m88ts2022_wr_regs(priv, 0x10, buf, 2); + ret = m88ts2022_wr_regs(s, 0x10, buf, 2); if (ret) goto err; f_vco_khz = frequency_khz * div_out; pll_n = f_vco_khz * div_ref / f_ref_khz; pll_n += pll_n % 2; - priv->frequency_khz = pll_n * f_ref_khz / div_ref / div_out; + s->frequency_khz = pll_n * f_ref_khz / div_ref / div_out; if (pll_n < 4095) u16tmp = pll_n - 1024; @@ -223,31 +223,31 @@ static int m88ts2022_set_params(struct dvb_frontend *fe) buf[0] = (u16tmp >> 8) & 0x3f; buf[1] = (u16tmp >> 0) & 0xff; buf[2] = div_ref - 8; - ret = m88ts2022_wr_regs(priv, 0x01, buf, 3); + ret = m88ts2022_wr_regs(s, 0x01, buf, 3); if (ret) goto err; - dev_dbg(&priv->client->dev, + dev_dbg(&s->client->dev, "%s: frequency=%u offset=%d f_vco_khz=%u pll_n=%u div_ref=%u div_out=%u\n", - __func__, priv->frequency_khz, - priv->frequency_khz - c->frequency, f_vco_khz, pll_n, + __func__, s->frequency_khz, + s->frequency_khz - c->frequency, f_vco_khz, pll_n, div_ref, div_out); ret = m88ts2022_cmd(fe, 0x10, 5, 0x15, 0x40, 0x00, NULL); if (ret) goto err; - ret = m88ts2022_rd_reg(priv, 0x14, &u8tmp); + ret = m88ts2022_rd_reg(s, 0x14, &u8tmp); if (ret) goto err; u8tmp &= 0x7f; if (u8tmp < 64) { - ret = m88ts2022_wr_reg_mask(priv, 0x10, 0x80, 0x80); + ret = m88ts2022_wr_reg_mask(s, 0x10, 0x80, 0x80); if (ret) goto err; - ret = m88ts2022_wr_reg(priv, 0x11, 0x6f); + ret = m88ts2022_wr_reg(s, 0x11, 0x6f); if (ret) goto err; @@ -256,13 +256,13 @@ static int m88ts2022_set_params(struct dvb_frontend *fe) goto err; } - ret = m88ts2022_rd_reg(priv, 0x14, &u8tmp); + ret = m88ts2022_rd_reg(s, 0x14, &u8tmp); if (ret) goto err; u8tmp &= 0x1f; if (u8tmp > 19) { - ret = m88ts2022_wr_reg_mask(priv, 0x10, 0x00, 0x02); + ret = m88ts2022_wr_reg_mask(s, 0x10, 0x00, 0x02); if (ret) goto err; } @@ -271,26 +271,26 @@ static int m88ts2022_set_params(struct dvb_frontend *fe) if (ret) goto err; - ret = m88ts2022_wr_reg(priv, 0x25, 0x00); + ret = m88ts2022_wr_reg(s, 0x25, 0x00); if (ret) goto err; - ret = m88ts2022_wr_reg(priv, 0x27, 0x70); + ret = m88ts2022_wr_reg(s, 0x27, 0x70); if (ret) goto err; - ret = m88ts2022_wr_reg(priv, 0x41, 0x09); + ret = m88ts2022_wr_reg(s, 0x41, 0x09); if (ret) goto err; - ret = m88ts2022_wr_reg(priv, 0x08, 0x0b); + ret = m88ts2022_wr_reg(s, 0x08, 0x0b); if (ret) goto err; /* filters */ gdiv28 = DIV_ROUND_CLOSEST(f_ref_khz * 1694U, 1000000U); - ret = m88ts2022_wr_reg(priv, 0x04, gdiv28); + ret = m88ts2022_wr_reg(s, 0x04, gdiv28); if (ret) goto err; @@ -300,7 +300,7 @@ static int m88ts2022_set_params(struct dvb_frontend *fe) cap_code = u8tmp & 0x3f; - ret = m88ts2022_wr_reg(priv, 0x41, 0x0d); + ret = m88ts2022_wr_reg(s, 0x41, 0x0d); if (ret) goto err; @@ -328,11 +328,11 @@ static int m88ts2022_set_params(struct dvb_frontend *fe) lpf_mxdiv = DIV_ROUND_CLOSEST(++lpf_gm * LPF_COEFF * f_ref_khz, f_3db_hz); lpf_mxdiv = clamp_val(lpf_mxdiv, 0U, div_max); - ret = m88ts2022_wr_reg(priv, 0x04, lpf_mxdiv); + ret = m88ts2022_wr_reg(s, 0x04, lpf_mxdiv); if (ret) goto err; - ret = m88ts2022_wr_reg(priv, 0x06, lpf_gm); + ret = m88ts2022_wr_reg(s, 0x06, lpf_gm); if (ret) goto err; @@ -342,7 +342,7 @@ static int m88ts2022_set_params(struct dvb_frontend *fe) cap_code = u8tmp & 0x3f; - ret = m88ts2022_wr_reg(priv, 0x41, 0x09); + ret = m88ts2022_wr_reg(s, 0x41, 0x09); if (ret) goto err; @@ -354,15 +354,15 @@ static int m88ts2022_set_params(struct dvb_frontend *fe) cap_code = (cap_code + u8tmp) / 2; u8tmp = cap_code | 0x80; - ret = m88ts2022_wr_reg(priv, 0x25, u8tmp); + ret = m88ts2022_wr_reg(s, 0x25, u8tmp); if (ret) goto err; - ret = m88ts2022_wr_reg(priv, 0x27, 0x30); + ret = m88ts2022_wr_reg(s, 0x27, 0x30); if (ret) goto err; - ret = m88ts2022_wr_reg(priv, 0x08, 0x09); + ret = m88ts2022_wr_reg(s, 0x08, 0x09); if (ret) goto err; @@ -371,14 +371,14 @@ static int m88ts2022_set_params(struct dvb_frontend *fe) goto err; err: if (ret) - dev_dbg(&priv->client->dev, "%s: failed=%d\n", __func__, ret); + dev_dbg(&s->client->dev, "%s: failed=%d\n", __func__, ret); return ret; } static int m88ts2022_init(struct dvb_frontend *fe) { - struct m88ts2022_priv *priv = fe->tuner_priv; + struct m88ts2022 *s = fe->tuner_priv; int ret, i; u8 u8tmp; static const struct m88ts2022_reg_val reg_vals[] = { @@ -395,23 +395,23 @@ static int m88ts2022_init(struct dvb_frontend *fe) {0x12, 0xa0}, }; - dev_dbg(&priv->client->dev, "%s:\n", __func__); + dev_dbg(&s->client->dev, "%s:\n", __func__); - ret = m88ts2022_wr_reg(priv, 0x00, 0x01); + ret = m88ts2022_wr_reg(s, 0x00, 0x01); if (ret) goto err; - ret = m88ts2022_wr_reg(priv, 0x00, 0x03); + ret = m88ts2022_wr_reg(s, 0x00, 0x03); if (ret) goto err; - switch (priv->cfg.clock_out) { + switch (s->cfg.clock_out) { case M88TS2022_CLOCK_OUT_DISABLED: u8tmp = 0x60; break; case M88TS2022_CLOCK_OUT_ENABLED: u8tmp = 0x70; - ret = m88ts2022_wr_reg(priv, 0x05, priv->cfg.clock_out_div); + ret = m88ts2022_wr_reg(s, 0x05, s->cfg.clock_out_div); if (ret) goto err; break; @@ -422,61 +422,61 @@ static int m88ts2022_init(struct dvb_frontend *fe) goto err; } - ret = m88ts2022_wr_reg(priv, 0x42, u8tmp); + ret = m88ts2022_wr_reg(s, 0x42, u8tmp); if (ret) goto err; - if (priv->cfg.loop_through) + if (s->cfg.loop_through) u8tmp = 0xec; else u8tmp = 0x6c; - ret = m88ts2022_wr_reg(priv, 0x62, u8tmp); + ret = m88ts2022_wr_reg(s, 0x62, u8tmp); if (ret) goto err; for (i = 0; i < ARRAY_SIZE(reg_vals); i++) { - ret = m88ts2022_wr_reg(priv, reg_vals[i].reg, reg_vals[i].val); + ret = m88ts2022_wr_reg(s, reg_vals[i].reg, reg_vals[i].val); if (ret) goto err; } err: if (ret) - dev_dbg(&priv->client->dev, "%s: failed=%d\n", __func__, ret); + dev_dbg(&s->client->dev, "%s: failed=%d\n", __func__, ret); return ret; } static int m88ts2022_sleep(struct dvb_frontend *fe) { - struct m88ts2022_priv *priv = fe->tuner_priv; + struct m88ts2022 *s = fe->tuner_priv; int ret; - dev_dbg(&priv->client->dev, "%s:\n", __func__); + dev_dbg(&s->client->dev, "%s:\n", __func__); - ret = m88ts2022_wr_reg(priv, 0x00, 0x00); + ret = m88ts2022_wr_reg(s, 0x00, 0x00); if (ret) goto err; err: if (ret) - dev_dbg(&priv->client->dev, "%s: failed=%d\n", __func__, ret); + dev_dbg(&s->client->dev, "%s: failed=%d\n", __func__, ret); return ret; } static int m88ts2022_get_frequency(struct dvb_frontend *fe, u32 *frequency) { - struct m88ts2022_priv *priv = fe->tuner_priv; + struct m88ts2022 *s = fe->tuner_priv; - dev_dbg(&priv->client->dev, "%s:\n", __func__); + dev_dbg(&s->client->dev, "%s:\n", __func__); - *frequency = priv->frequency_khz; + *frequency = s->frequency_khz; return 0; } static int m88ts2022_get_if_frequency(struct dvb_frontend *fe, u32 *frequency) { - struct m88ts2022_priv *priv = fe->tuner_priv; + struct m88ts2022 *s = fe->tuner_priv; - dev_dbg(&priv->client->dev, "%s:\n", __func__); + dev_dbg(&s->client->dev, "%s:\n", __func__); *frequency = 0; /* Zero-IF */ return 0; @@ -484,27 +484,27 @@ static int m88ts2022_get_if_frequency(struct dvb_frontend *fe, u32 *frequency) static int m88ts2022_get_rf_strength(struct dvb_frontend *fe, u16 *strength) { - struct m88ts2022_priv *priv = fe->tuner_priv; + struct m88ts2022 *s = fe->tuner_priv; int ret; u8 u8tmp; u16 gain, u16tmp; unsigned int gain1, gain2, gain3; - ret = m88ts2022_rd_reg(priv, 0x3d, &u8tmp); + ret = m88ts2022_rd_reg(s, 0x3d, &u8tmp); if (ret) goto err; gain1 = (u8tmp >> 0) & 0x1f; gain1 = clamp(gain1, 0U, 15U); - ret = m88ts2022_rd_reg(priv, 0x21, &u8tmp); + ret = m88ts2022_rd_reg(s, 0x21, &u8tmp); if (ret) goto err; gain2 = (u8tmp >> 0) & 0x1f; gain2 = clamp(gain2, 2U, 16U); - ret = m88ts2022_rd_reg(priv, 0x66, &u8tmp); + ret = m88ts2022_rd_reg(s, 0x66, &u8tmp); if (ret) goto err; @@ -520,7 +520,7 @@ static int m88ts2022_get_rf_strength(struct dvb_frontend *fe, u16 *strength) *strength = (u16tmp - 59000) * 0xffff / (61500 - 59000); err: if (ret) - dev_dbg(&priv->client->dev, "%s: failed=%d\n", __func__, ret); + dev_dbg(&s->client->dev, "%s: failed=%d\n", __func__, ret); return ret; } @@ -545,44 +545,44 @@ static int m88ts2022_probe(struct i2c_client *client, { struct m88ts2022_config *cfg = client->dev.platform_data; struct dvb_frontend *fe = cfg->fe; - struct m88ts2022_priv *priv; + struct m88ts2022 *s; int ret; u8 chip_id, u8tmp; - priv = kzalloc(sizeof(*priv), GFP_KERNEL); - if (!priv) { + s = kzalloc(sizeof(*s), GFP_KERNEL); + if (!s) { ret = -ENOMEM; dev_err(&client->dev, "%s: kzalloc() failed\n", KBUILD_MODNAME); goto err; } - memcpy(&priv->cfg, cfg, sizeof(struct m88ts2022_config)); - priv->client = client; + memcpy(&s->cfg, cfg, sizeof(struct m88ts2022_config)); + s->client = client; /* check if the tuner is there */ - ret = m88ts2022_rd_reg(priv, 0x00, &u8tmp); + ret = m88ts2022_rd_reg(s, 0x00, &u8tmp); if (ret) goto err; if ((u8tmp & 0x03) == 0x00) { - ret = m88ts2022_wr_reg(priv, 0x00, 0x01); + ret = m88ts2022_wr_reg(s, 0x00, 0x01); if (ret < 0) goto err; usleep_range(2000, 50000); } - ret = m88ts2022_wr_reg(priv, 0x00, 0x03); + ret = m88ts2022_wr_reg(s, 0x00, 0x03); if (ret) goto err; usleep_range(2000, 50000); - ret = m88ts2022_rd_reg(priv, 0x00, &chip_id); + ret = m88ts2022_rd_reg(s, 0x00, &chip_id); if (ret) goto err; - dev_dbg(&priv->client->dev, "%s: chip_id=%02x\n", __func__, chip_id); + dev_dbg(&s->client->dev, "%s: chip_id=%02x\n", __func__, chip_id); switch (chip_id) { case 0xc3: @@ -592,13 +592,13 @@ static int m88ts2022_probe(struct i2c_client *client, goto err; } - switch (priv->cfg.clock_out) { + switch (s->cfg.clock_out) { case M88TS2022_CLOCK_OUT_DISABLED: u8tmp = 0x60; break; case M88TS2022_CLOCK_OUT_ENABLED: u8tmp = 0x70; - ret = m88ts2022_wr_reg(priv, 0x05, priv->cfg.clock_out_div); + ret = m88ts2022_wr_reg(s, 0x05, s->cfg.clock_out_div); if (ret) goto err; break; @@ -609,50 +609,50 @@ static int m88ts2022_probe(struct i2c_client *client, goto err; } - ret = m88ts2022_wr_reg(priv, 0x42, u8tmp); + ret = m88ts2022_wr_reg(s, 0x42, u8tmp); if (ret) goto err; - if (priv->cfg.loop_through) + if (s->cfg.loop_through) u8tmp = 0xec; else u8tmp = 0x6c; - ret = m88ts2022_wr_reg(priv, 0x62, u8tmp); + ret = m88ts2022_wr_reg(s, 0x62, u8tmp); if (ret) goto err; /* sleep */ - ret = m88ts2022_wr_reg(priv, 0x00, 0x00); + ret = m88ts2022_wr_reg(s, 0x00, 0x00); if (ret) goto err; - dev_info(&priv->client->dev, + dev_info(&s->client->dev, "%s: Montage M88TS2022 successfully identified\n", KBUILD_MODNAME); - fe->tuner_priv = priv; + fe->tuner_priv = s; memcpy(&fe->ops.tuner_ops, &m88ts2022_tuner_ops, sizeof(struct dvb_tuner_ops)); - i2c_set_clientdata(client, priv); + i2c_set_clientdata(client, s); return 0; err: dev_dbg(&client->dev, "%s: failed=%d\n", __func__, ret); - kfree(priv); + kfree(s); return ret; } static int m88ts2022_remove(struct i2c_client *client) { - struct m88ts2022_priv *priv = i2c_get_clientdata(client); - struct dvb_frontend *fe = priv->cfg.fe; + struct m88ts2022 *s = i2c_get_clientdata(client); + struct dvb_frontend *fe = s->cfg.fe; dev_dbg(&client->dev, "%s:\n", __func__); memset(&fe->ops.tuner_ops, 0, sizeof(struct dvb_tuner_ops)); fe->tuner_priv = NULL; - kfree(priv); + kfree(s); return 0; } diff --git a/drivers/media/tuners/m88ts2022_priv.h b/drivers/media/tuners/m88ts2022_priv.h index 0363dd8..cbc9e2b 100644 --- a/drivers/media/tuners/m88ts2022_priv.h +++ b/drivers/media/tuners/m88ts2022_priv.h @@ -19,7 +19,7 @@ #include "m88ts2022.h" -struct m88ts2022_priv { +struct m88ts2022 { struct m88ts2022_config cfg; struct i2c_client *client; struct dvb_frontend *fe; -- http://palosaari.fi/