forked from pool/rtl-sdr
Accepting request 1113642 from home:wkazubski:test:science
- new patch rtl-sdr-0022-add-rtl-sdr-blog-v4-support.patch adding support for new funcionality in RTL-SDR v4 dongle (taken from git tree) - fix for one minor rpmlint error OBS-URL: https://build.opensuse.org/request/show/1113642 OBS-URL: https://build.opensuse.org/package/show/hardware:sdr/rtl-sdr?expand=0&rev=23
This commit is contained in:
Martin Pluskal
Git OBS Bridge
parent
a674f05f89
commit
20ffe1db6c
196
rtl-sdr-0022-add-rtl-sdr-blog-v4-support.patch
Normal file
196
rtl-sdr-0022-add-rtl-sdr-blog-v4-support.patch
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@ -0,0 +1,196 @@
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From 1261fbb285297da08f4620b18871b6d6d9ec2a7b Mon Sep 17 00:00:00 2001
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From: rtlsdrblog <rtlsdrblog@gmail.com>
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Date: Tue, 22 Aug 2023 04:16:00 +1200
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Subject: [PATCH] add rtl-sdr blog v4 support
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---
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include/rtlsdr_i2c.h | 1 +
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src/librtlsdr.c | 24 ++++++++++++-
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src/tuner_r82xx.c | 83 ++++++++++++++++++++++++++++++++++++++------
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3 files changed, 97 insertions(+), 11 deletions(-)
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diff --git a/include/rtlsdr_i2c.h b/include/rtlsdr_i2c.h
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index 7676689..6faf141 100644
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--- a/include/rtlsdr_i2c.h
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+++ b/include/rtlsdr_i2c.h
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@@ -1,6 +1,7 @@
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#ifndef __I2C_H
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#define __I2C_H
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+int rtlsdr_check_dongle_model(void *dev, char *manufact_check, char *product_check);
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uint32_t rtlsdr_get_tuner_clock(void *dev);
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int rtlsdr_i2c_write_fn(void *dev, uint8_t addr, uint8_t *buf, int len);
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int rtlsdr_i2c_read_fn(void *dev, uint8_t addr, uint8_t *buf, int len);
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diff --git a/src/librtlsdr.c b/src/librtlsdr.c
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index 096abae..ee13556 100644
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--- a/src/librtlsdr.c
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+++ b/src/librtlsdr.c
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@@ -119,6 +119,8 @@ struct rtlsdr_dev {
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int dev_lost;
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int driver_active;
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unsigned int xfer_errors;
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+ char manufact[256];
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+ char product[256];
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};
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void rtlsdr_set_gpio_bit(rtlsdr_dev_t *dev, uint8_t gpio, int val);
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@@ -1430,6 +1432,16 @@ int rtlsdr_get_index_by_serial(const char *serial)
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return -3;
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}
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+/* Returns true if the manufact_check and product_check strings match what is in the dongles EEPROM */
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+int rtlsdr_check_dongle_model(void *dev, char *manufact_check, char *product_check)
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+{
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+ if ((strcmp(((rtlsdr_dev_t *)dev)->manufact, manufact_check) == 0&& strcmp(((rtlsdr_dev_t *)dev)->product, product_check) == 0))
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+ return 1;
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+
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+ return 0;
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+}
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+
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+
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int rtlsdr_open(rtlsdr_dev_t **out_dev, uint32_t index)
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{
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int r;
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@@ -1528,6 +1540,9 @@ int rtlsdr_open(rtlsdr_dev_t **out_dev, uint32_t index)
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rtlsdr_init_baseband(dev);
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dev->dev_lost = 0;
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+ /* Get device manufacturer and product id */
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+ r = rtlsdr_get_usb_strings(dev, dev->manufact, dev->product, NULL);
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+
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/* Probe tuners */
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rtlsdr_set_i2c_repeater(dev, 1);
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@@ -1555,6 +1570,10 @@ int rtlsdr_open(rtlsdr_dev_t **out_dev, uint32_t index)
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reg = rtlsdr_i2c_read_reg(dev, R828D_I2C_ADDR, R82XX_CHECK_ADDR);
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if (reg == R82XX_CHECK_VAL) {
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fprintf(stderr, "Found Rafael Micro R828D tuner\n");
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+
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+ if (rtlsdr_check_dongle_model(dev, "RTLSDRBlog", "Blog V4"))
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+ fprintf(stderr, "RTL-SDR Blog V4 Detected\n");
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+
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dev->tuner_type = RTLSDR_TUNER_R828D;
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goto found;
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}
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@@ -1588,7 +1607,10 @@ int rtlsdr_open(rtlsdr_dev_t **out_dev, uint32_t index)
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switch (dev->tuner_type) {
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case RTLSDR_TUNER_R828D:
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- dev->tun_xtal = R828D_XTAL_FREQ;
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+ /* If NOT an RTL-SDR Blog V4, set typical R828D 16 MHz freq. Otherwise, keep at 28.8 MHz. */
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+ if (!(rtlsdr_check_dongle_model(dev, "RTLSDRBlog", "Blog V4"))) {
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+ dev->tun_xtal = R828D_XTAL_FREQ;
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+ }
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/* fall-through */
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case RTLSDR_TUNER_R820T:
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/* disable Zero-IF mode */
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diff --git a/src/tuner_r82xx.c b/src/tuner_r82xx.c
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index 997abd7..1510fc3 100644
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--- a/src/tuner_r82xx.c
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+++ b/src/tuner_r82xx.c
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@@ -33,6 +33,10 @@
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#define MHZ(x) ((x)*1000*1000)
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#define KHZ(x) ((x)*1000)
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+#define HF 1
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+#define VHF 2
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+#define UHF 3
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+
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/*
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* Static constants
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*/
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@@ -1098,8 +1102,23 @@ int r82xx_set_bandwidth(struct r82xx_priv *priv, int bw, uint32_t rate)
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int r82xx_set_freq(struct r82xx_priv *priv, uint32_t freq)
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{
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int rc = -1;
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- uint32_t lo_freq = freq + priv->int_freq;
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+ int is_rtlsdr_blog_v4;
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+ uint32_t upconvert_freq;
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+ uint32_t lo_freq;
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uint8_t air_cable1_in;
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+ uint8_t open_d;
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+ uint8_t band;
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+ uint8_t cable_2_in;
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+ uint8_t cable_1_in;
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+ uint8_t air_in;
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+
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+ is_rtlsdr_blog_v4 = rtlsdr_check_dongle_model(priv->rtl_dev, "RTLSDRBlog", "Blog V4");
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+
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+ /* if it's an RTL-SDR Blog V4, automatically upconvert by 28.8 MHz if we tune to HF
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+ * so that we don't need to manually set any upconvert offset in the SDR software */
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+ upconvert_freq = is_rtlsdr_blog_v4 ? ((freq < MHZ(28.8)) ? (freq + MHZ(28.8)) : freq) : freq;
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+
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+ lo_freq = upconvert_freq + priv->int_freq;
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rc = r82xx_set_mux(priv, lo_freq);
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if (rc < 0)
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@@ -1109,16 +1128,60 @@ int r82xx_set_freq(struct r82xx_priv *priv, uint32_t freq)
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if (rc < 0 || !priv->has_lock)
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goto err;
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- /* switch between 'Cable1' and 'Air-In' inputs on sticks with
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- * R828D tuner. We switch at 345 MHz, because that's where the
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- * noise-floor has about the same level with identical LNA
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- * settings. The original driver used 320 MHz. */
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- air_cable1_in = (freq > MHZ(345)) ? 0x00 : 0x60;
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+ if (is_rtlsdr_blog_v4) {
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+ /* determine if notch filters should be on or off notches are turned OFF
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+ * when tuned within the notch band and ON when tuned outside the notch band.
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+ */
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+ open_d = (freq <= MHZ(2.2) || (freq >= MHZ(85) && freq <= MHZ(112)) || (freq >= MHZ(172) && freq <= MHZ(242))) ? 0x00 : 0x08;
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+ rc = r82xx_write_reg_mask(priv, 0x17, open_d, 0x08);
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+
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+ if (rc < 0)
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+ return rc;
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+
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+ /* select tuner band based on frequency and only switch if there is a band change
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+ *(to avoid excessive register writes when tuning rapidly)
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+ */
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+ band = (freq <= MHZ(28.8)) ? HF : ((freq > MHZ(28.8) && freq < MHZ(250)) ? VHF : UHF);
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+
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+ /* switch between tuner inputs on the RTL-SDR Blog V4 */
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+ if (band != priv->input) {
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+ priv->input = band;
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+
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+ /* activate cable 2 (HF input) */
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+ cable_2_in = (band == HF) ? 0x08 : 0x00;
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+ rc = r82xx_write_reg_mask(priv, 0x06, cable_2_in, 0x08);
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- if ((priv->cfg->rafael_chip == CHIP_R828D) &&
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- (air_cable1_in != priv->input)) {
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- priv->input = air_cable1_in;
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- rc = r82xx_write_reg_mask(priv, 0x05, air_cable1_in, 0x60);
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+ if (rc < 0)
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+ goto err;
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+
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+ /* activate cable 1 (VHF input) */
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+ cable_1_in = (band == VHF) ? 0x40 : 0x00;
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+ rc = r82xx_write_reg_mask(priv, 0x05, cable_1_in, 0x40);
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+
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+ if (rc < 0)
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+ goto err;
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+
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+ /* activate air_in (UHF input) */
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+ air_in = (band == UHF) ? 0x00 : 0x20;
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+ rc = r82xx_write_reg_mask(priv, 0x05, air_in, 0x20);
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+
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+ if (rc < 0)
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+ goto err;
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+ }
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+ }
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+ else /* Standard R828D dongle*/
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+ {
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+ /* switch between 'Cable1' and 'Air-In' inputs on sticks with
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+ * R828D tuner. We switch at 345 MHz, because that's where the
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+ * noise-floor has about the same level with identical LNA
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+ * settings. The original driver used 320 MHz. */
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+ air_cable1_in = (freq > MHZ(345)) ? 0x00 : 0x60;
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+
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+ if ((priv->cfg->rafael_chip == CHIP_R828D) &&
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+ (air_cable1_in != priv->input)) {
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+ priv->input = air_cable1_in;
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+ rc = r82xx_write_reg_mask(priv, 0x05, air_cable1_in, 0x60);
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+ }
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}
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err:
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@ -1,3 +1,11 @@
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-------------------------------------------------------------------
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Sat Sep 9 18:44:47 UTC 2023 - Wojciech Kazubski <wk@ire.pw.edu.pl>
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- new patch rtl-sdr-0022-add-rtl-sdr-blog-v4-support.patch adding
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support for new funcionality in RTL-SDR v4 dongle (taken from git
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tree)
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- fix for one minor rpmlint error
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-------------------------------------------------------------------
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-------------------------------------------------------------------
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Mon Jan 31 19:06:03 UTC 2022 - Wojciech Kazubski <wk@ire.pw.edu.pl>
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Mon Jan 31 19:06:03 UTC 2022 - Wojciech Kazubski <wk@ire.pw.edu.pl>
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@ -43,6 +43,7 @@ Patch14: rtl-sdr-0014-initialize-listensocket_in-rtl_tcp.patch
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Patch15: rtl-sdr-0015-modernize-cmake-usage.patch
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Patch15: rtl-sdr-0015-modernize-cmake-usage.patch
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Patch19: rtl-sdr-0019-fix-short-write-in-r82xx_read.patch
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Patch19: rtl-sdr-0019-fix-short-write-in-r82xx_read.patch
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Patch21: rtl-sdr-0021-rtl_fm-add-option-for-2nd-direct-sampling-mode.patch
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Patch21: rtl-sdr-0021-rtl_fm-add-option-for-2nd-direct-sampling-mode.patch
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Patch22: rtl-sdr-0022-add-rtl-sdr-blog-v4-support.patch
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BuildRequires: cmake >= 3.7.2
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BuildRequires: cmake >= 3.7.2
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BuildRequires: gcc-c++
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BuildRequires: gcc-c++
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BuildRequires: pkgconfig
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BuildRequires: pkgconfig
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@ -72,7 +73,7 @@ Udev rules for rtl-sdr driver
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%package devel
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%package devel
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Summary: Development files for rtl-sdr
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Summary: Development files for rtl-sdr
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Group: Development/Libraries/Other
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Group: Development/Libraries/Other
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Requires: %{name} = %{version}
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Requires: %{libname} = %{version}
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%description devel
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%description devel
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Library headers for rtl-sdr driver.
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Library headers for rtl-sdr driver.
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@ -91,6 +92,7 @@ Library headers for rtl-sdr driver.
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%patch15 -p1
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%patch15 -p1
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%patch19 -p1
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%patch19 -p1
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%patch21 -p1
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%patch21 -p1
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%patch22 -p1
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%patch0 -p1
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%patch0 -p1
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%build
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%build
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