diff options
Diffstat (limited to 'drivers/staging/vt6656/baseband.c')
| -rw-r--r-- | drivers/staging/vt6656/baseband.c | 620 |
1 files changed, 138 insertions, 482 deletions
diff --git a/drivers/staging/vt6656/baseband.c b/drivers/staging/vt6656/baseband.c index a19a563d8bcc..41ae779ec61f 100644 --- a/drivers/staging/vt6656/baseband.c +++ b/drivers/staging/vt6656/baseband.c @@ -23,13 +23,15 @@ */ #include <linux/bits.h> +#include <linux/errno.h> #include <linux/kernel.h> +#include "device.h" #include "mac.h" #include "baseband.h" #include "rf.h" #include "usbpipe.h" -static u8 vnt_vt3184_agc[] = { +static const u8 vnt_vt3184_agc[] = { 0x00, 0x00, 0x02, 0x02, 0x04, 0x04, 0x06, 0x06, 0x08, 0x08, 0x0a, 0x0a, 0x0c, 0x0c, 0x0e, 0x0e, /* 0x0f */ 0x10, 0x10, 0x12, 0x12, 0x14, 0x14, 0x16, 0x16, @@ -76,7 +78,7 @@ static u8 vnt_vt3184_al2230[] = { }; /* {{RobertYu:20060515, new BB setting for VT3226D0 */ -static u8 vnt_vt3184_vt3226d0[] = { +static const u8 vnt_vt3184_vt3226d0[] = { 0x31, 0x00, 0x00, 0x00, 0x00, 0x80, 0x00, 0x00, 0x70, 0x45, 0x2a, 0x76, 0x00, 0x00, 0x80, 0x00, /* 0x0f */ 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, @@ -111,198 +113,85 @@ static u8 vnt_vt3184_vt3226d0[] = { 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00 /* 0xff */ }; -static const u16 vnt_frame_time[MAX_RATE] = { - 10, 20, 55, 110, 24, 36, 48, 72, 96, 144, 192, 216 +struct vnt_threshold { + u8 bb_pre_ed_rssi; + u8 cr_201; + u8 cr_206; }; -/* - * Description: Calculate data frame transmitting time - * - * Parameters: - * In: - * preamble_type - Preamble Type - * pkt_type - PK_TYPE_11A, PK_TYPE_11B, PK_TYPE_11GB, PK_TYPE_11GA - * frame_length - Baseband Type - * tx_rate - Tx Rate - * Out: - * - * Return Value: FrameTime - * - */ -unsigned int vnt_get_frame_time(u8 preamble_type, u8 pkt_type, - unsigned int frame_length, u16 tx_rate) -{ - unsigned int frame_time; - unsigned int preamble; - unsigned int rate = 0; - - if (tx_rate > RATE_54M) - return 0; - - rate = (unsigned int)vnt_frame_time[tx_rate]; - - if (tx_rate <= 3) { - if (preamble_type == 1) - preamble = 96; - else - preamble = 192; - - frame_time = DIV_ROUND_UP(frame_length * 80, rate); - return preamble + frame_time; - } - - frame_time = DIV_ROUND_UP(frame_length * 8 + 22, rate); - frame_time = frame_time * 4; - - if (pkt_type != PK_TYPE_11A) - frame_time += 6; - return 20 + frame_time; -} - -/* - * Description: Calculate Length, Service, and Signal fields of Phy for Tx - * - * Parameters: - * In: - * priv - Device Structure - * frame_length - Tx Frame Length - * tx_rate - Tx Rate - * Out: - * struct vnt_phy_field *phy - * - pointer to Phy Length field - * - pointer to Phy Service field - * - pointer to Phy Signal field - * - * Return Value: none - * - */ -void vnt_get_phy_field(struct vnt_private *priv, u32 frame_length, - u16 tx_rate, u8 pkt_type, struct vnt_phy_field *phy) -{ - u32 bit_count; - u32 count = 0; - u32 tmp; - int ext_bit; - u8 preamble_type = priv->preamble_type; - - bit_count = frame_length * 8; - ext_bit = false; - - switch (tx_rate) { - case RATE_1M: - count = bit_count; - - phy->signal = 0x00; - - break; - case RATE_2M: - count = bit_count / 2; - - if (preamble_type == 1) - phy->signal = 0x09; - else - phy->signal = 0x01; - - break; - case RATE_5M: - count = DIV_ROUND_UP(bit_count * 10, 55); - - if (preamble_type == 1) - phy->signal = 0x0a; - else - phy->signal = 0x02; - - break; - case RATE_11M: - count = bit_count / 11; - tmp = count * 11; - - if (tmp != bit_count) { - count++; - - if ((bit_count - tmp) <= 3) - ext_bit = true; - } - - if (preamble_type == 1) - phy->signal = 0x0b; - else - phy->signal = 0x03; - - break; - case RATE_6M: - if (pkt_type == PK_TYPE_11A) - phy->signal = 0x9b; - else - phy->signal = 0x8b; - - break; - case RATE_9M: - if (pkt_type == PK_TYPE_11A) - phy->signal = 0x9f; - else - phy->signal = 0x8f; - - break; - case RATE_12M: - if (pkt_type == PK_TYPE_11A) - phy->signal = 0x9a; - else - phy->signal = 0x8a; - - break; - case RATE_18M: - if (pkt_type == PK_TYPE_11A) - phy->signal = 0x9e; - else - phy->signal = 0x8e; - - break; - case RATE_24M: - if (pkt_type == PK_TYPE_11A) - phy->signal = 0x99; - else - phy->signal = 0x89; - - break; - case RATE_36M: - if (pkt_type == PK_TYPE_11A) - phy->signal = 0x9d; - else - phy->signal = 0x8d; - - break; - case RATE_48M: - if (pkt_type == PK_TYPE_11A) - phy->signal = 0x98; - else - phy->signal = 0x88; +static const struct vnt_threshold al2230_vnt_threshold[] = { + {0, 0x00, 0x30}, /* Max sensitivity */ + {68, 0x00, 0x36}, + {67, 0x00, 0x43}, + {66, 0x00, 0x51}, + {65, 0x00, 0x62}, + {64, 0x00, 0x79}, + {63, 0x00, 0x93}, + {62, 0x00, 0xb9}, + {61, 0x00, 0xe3}, + {60, 0x01, 0x18}, + {59, 0x01, 0x54}, + {58, 0x01, 0xa0}, + {57, 0x02, 0x20}, + {56, 0x02, 0xa0}, + {55, 0x03, 0x00}, + {53, 0x06, 0x00}, + {51, 0x09, 0x00}, + {49, 0x0e, 0x00}, + {47, 0x15, 0x00}, + {46, 0x1a, 0x00}, + {45, 0xff, 0x00} +}; - break; - case RATE_54M: - if (pkt_type == PK_TYPE_11A) - phy->signal = 0x9c; - else - phy->signal = 0x8c; - break; - default: - if (pkt_type == PK_TYPE_11A) - phy->signal = 0x9c; - else - phy->signal = 0x8c; - break; - } +static const struct vnt_threshold vt3226_vnt_threshold[] = { + {0, 0x00, 0x24}, /* Max sensitivity */ + {68, 0x00, 0x2d}, + {67, 0x00, 0x36}, + {66, 0x00, 0x43}, + {65, 0x00, 0x52}, + {64, 0x00, 0x68}, + {63, 0x00, 0x80}, + {62, 0x00, 0x9c}, + {61, 0x00, 0xc0}, + {60, 0x00, 0xea}, + {59, 0x01, 0x30}, + {58, 0x01, 0x70}, + {57, 0x01, 0xb0}, + {56, 0x02, 0x30}, + {55, 0x02, 0xc0}, + {53, 0x04, 0x00}, + {51, 0x07, 0x00}, + {49, 0x0a, 0x00}, + {47, 0x11, 0x00}, + {45, 0x18, 0x00}, + {43, 0x26, 0x00}, + {42, 0x36, 0x00}, + {41, 0xff, 0x00} +}; - if (pkt_type == PK_TYPE_11B) { - phy->service = 0x00; - if (ext_bit) - phy->service |= 0x80; - phy->len = cpu_to_le16((u16)count); - } else { - phy->service = 0x00; - phy->len = cpu_to_le16((u16)frame_length); - } -} +static const struct vnt_threshold vt3342_vnt_threshold[] = { + {0, 0x00, 0x38}, /* Max sensitivity */ + {66, 0x00, 0x43}, + {65, 0x00, 0x52}, + {64, 0x00, 0x68}, + {63, 0x00, 0x80}, + {62, 0x00, 0x9c}, + {61, 0x00, 0xc0}, + {60, 0x00, 0xea}, + {59, 0x01, 0x30}, + {58, 0x01, 0x70}, + {57, 0x01, 0xb0}, + {56, 0x02, 0x30}, + {55, 0x02, 0xc0}, + {53, 0x04, 0x00}, + {51, 0x07, 0x00}, + {49, 0x0a, 0x00}, + {47, 0x11, 0x00}, + {45, 0x18, 0x00}, + {43, 0x26, 0x00}, + {42, 0x36, 0x00}, + {41, 0xff, 0x00} +}; /* * Description: Set Antenna mode @@ -352,9 +241,10 @@ int vnt_set_antenna_mode(struct vnt_private *priv, u8 antenna_mode) int vnt_vt3184_init(struct vnt_private *priv) { - int ret = 0; + int ret; u16 length; - u8 *addr; + u8 *addr = NULL; + const u8 *c_addr; u8 data; ret = vnt_control_in(priv, MESSAGE_TYPE_READ, 0, MESSAGE_REQUEST_EEPROM, @@ -366,23 +256,15 @@ int vnt_vt3184_init(struct vnt_private *priv) dev_dbg(&priv->usb->dev, "RF Type %d\n", priv->rf_type); - if (priv->rf_type == RF_AL2230 || - priv->rf_type == RF_AL2230S) { + if ((priv->rf_type == RF_AL2230) || + (priv->rf_type == RF_AL2230S) || + (priv->rf_type == RF_AIROHA7230)) { priv->bb_rx_conf = vnt_vt3184_al2230[10]; length = sizeof(vnt_vt3184_al2230); addr = vnt_vt3184_al2230; - priv->bb_vga[0] = 0x1C; - priv->bb_vga[1] = 0x10; - priv->bb_vga[2] = 0x0; - priv->bb_vga[3] = 0x0; - - } else if (priv->rf_type == RF_AIROHA7230) { - priv->bb_rx_conf = vnt_vt3184_al2230[10]; - length = sizeof(vnt_vt3184_al2230); - addr = vnt_vt3184_al2230; - - addr[0xd7] = 0x06; + if (priv->rf_type == RF_AIROHA7230) + addr[0xd7] = 0x06; priv->bb_vga[0] = 0x1c; priv->bb_vga[1] = 0x10; @@ -390,25 +272,11 @@ int vnt_vt3184_init(struct vnt_private *priv) priv->bb_vga[3] = 0x0; } else if ((priv->rf_type == RF_VT3226) || - (priv->rf_type == RF_VT3226D0)) { + (priv->rf_type == RF_VT3226D0) || + (priv->rf_type == RF_VT3342A0)) { priv->bb_rx_conf = vnt_vt3184_vt3226d0[10]; length = sizeof(vnt_vt3184_vt3226d0); - addr = vnt_vt3184_vt3226d0; - - priv->bb_vga[0] = 0x20; - priv->bb_vga[1] = 0x10; - priv->bb_vga[2] = 0x0; - priv->bb_vga[3] = 0x0; - - /* Fix VT3226 DFC system timing issue */ - ret = vnt_mac_reg_bits_on(priv, MAC_REG_SOFTPWRCTL2, - SOFTPWRCTL_RFLEOPT); - if (ret) - goto end; - } else if (priv->rf_type == RF_VT3342A0) { - priv->bb_rx_conf = vnt_vt3184_vt3226d0[10]; - length = sizeof(vnt_vt3184_vt3226d0); - addr = vnt_vt3184_vt3226d0; + c_addr = vnt_vt3184_vt3226d0; priv->bb_vga[0] = 0x20; priv->bb_vga[1] = 0x10; @@ -424,8 +292,11 @@ int vnt_vt3184_init(struct vnt_private *priv) goto end; } + if (addr) + c_addr = addr; + ret = vnt_control_out_blocks(priv, VNT_REG_BLOCK_SIZE, - MESSAGE_REQUEST_BBREG, length, addr); + MESSAGE_REQUEST_BBREG, length, c_addr); if (ret) goto end; @@ -435,19 +306,13 @@ int vnt_vt3184_init(struct vnt_private *priv) if (ret) goto end; - if (priv->rf_type == RF_VT3226 || - priv->rf_type == RF_VT3342A0) { - ret = vnt_control_out_u8(priv, MESSAGE_REQUEST_MACREG, - MAC_REG_ITRTMSET, 0x23); - if (ret) - goto end; + if ((priv->rf_type == RF_VT3226) || + (priv->rf_type == RF_VT3342A0) || + (priv->rf_type == RF_VT3226D0)) { + data = (priv->rf_type == RF_VT3226D0) ? 0x11 : 0x23; - ret = vnt_mac_reg_bits_on(priv, MAC_REG_PAPEDELAY, BIT(0)); - if (ret) - goto end; - } else if (priv->rf_type == RF_VT3226D0) { ret = vnt_control_out_u8(priv, MESSAGE_REQUEST_MACREG, - MAC_REG_ITRTMSET, 0x11); + MAC_REG_ITRTMSET, data); if (ret) goto end; @@ -507,21 +372,22 @@ int vnt_set_short_slot_time(struct vnt_private *priv) ret = vnt_control_in_u8(priv, MESSAGE_REQUEST_BBREG, 0xe7, &bb_vga); if (ret) - goto end; + return ret; if (bb_vga == priv->bb_vga[0]) priv->bb_rx_conf |= 0x20; - ret = vnt_control_out_u8(priv, MESSAGE_REQUEST_BBREG, 0x0a, - priv->bb_rx_conf); - -end: - return ret; + return vnt_control_out_u8(priv, MESSAGE_REQUEST_BBREG, 0x0a, + priv->bb_rx_conf); } -void vnt_set_vga_gain_offset(struct vnt_private *priv, u8 data) +int vnt_set_vga_gain_offset(struct vnt_private *priv, u8 data) { - vnt_control_out_u8(priv, MESSAGE_REQUEST_BBREG, 0xE7, data); + int ret; + + ret = vnt_control_out_u8(priv, MESSAGE_REQUEST_BBREG, 0xE7, data); + if (ret) + return ret; /* patch for 3253B0 Baseband with Cardbus module */ if (priv->short_slot_time) @@ -529,7 +395,8 @@ void vnt_set_vga_gain_offset(struct vnt_private *priv, u8 data) else priv->bb_rx_conf |= 0x20; /* 0010 0000 */ - vnt_control_out_u8(priv, MESSAGE_REQUEST_BBREG, 0x0a, priv->bb_rx_conf); + return vnt_control_out_u8(priv, MESSAGE_REQUEST_BBREG, 0x0a, + priv->bb_rx_conf); } /* @@ -570,268 +437,57 @@ int vnt_exit_deep_sleep(struct vnt_private *priv) return vnt_control_out_u8(priv, MESSAGE_REQUEST_BBREG, 0x0d, 0x01); } -void vnt_update_pre_ed_threshold(struct vnt_private *priv, int scanning) +int vnt_update_pre_ed_threshold(struct vnt_private *priv, int scanning) { - u8 cr_201 = 0x0, cr_206 = 0x0; - u8 ed_inx = priv->bb_pre_ed_index; + const struct vnt_threshold *threshold = NULL; + u8 length; + u8 cr_201, cr_206; + u8 ed_inx; + int ret; switch (priv->rf_type) { case RF_AL2230: case RF_AL2230S: case RF_AIROHA7230: - if (scanning) { /* Max sensitivity */ - ed_inx = 0; - cr_206 = 0x30; - break; - } - - if (priv->bb_pre_ed_rssi <= 45) { - ed_inx = 20; - cr_201 = 0xff; - } else if (priv->bb_pre_ed_rssi <= 46) { - ed_inx = 19; - cr_201 = 0x1a; - } else if (priv->bb_pre_ed_rssi <= 47) { - ed_inx = 18; - cr_201 = 0x15; - } else if (priv->bb_pre_ed_rssi <= 49) { - ed_inx = 17; - cr_201 = 0xe; - } else if (priv->bb_pre_ed_rssi <= 51) { - ed_inx = 16; - cr_201 = 0x9; - } else if (priv->bb_pre_ed_rssi <= 53) { - ed_inx = 15; - cr_201 = 0x6; - } else if (priv->bb_pre_ed_rssi <= 55) { - ed_inx = 14; - cr_201 = 0x3; - } else if (priv->bb_pre_ed_rssi <= 56) { - ed_inx = 13; - cr_201 = 0x2; - cr_206 = 0xa0; - } else if (priv->bb_pre_ed_rssi <= 57) { - ed_inx = 12; - cr_201 = 0x2; - cr_206 = 0x20; - } else if (priv->bb_pre_ed_rssi <= 58) { - ed_inx = 11; - cr_201 = 0x1; - cr_206 = 0xa0; - } else if (priv->bb_pre_ed_rssi <= 59) { - ed_inx = 10; - cr_201 = 0x1; - cr_206 = 0x54; - } else if (priv->bb_pre_ed_rssi <= 60) { - ed_inx = 9; - cr_201 = 0x1; - cr_206 = 0x18; - } else if (priv->bb_pre_ed_rssi <= 61) { - ed_inx = 8; - cr_206 = 0xe3; - } else if (priv->bb_pre_ed_rssi <= 62) { - ed_inx = 7; - cr_206 = 0xb9; - } else if (priv->bb_pre_ed_rssi <= 63) { - ed_inx = 6; - cr_206 = 0x93; - } else if (priv->bb_pre_ed_rssi <= 64) { - ed_inx = 5; - cr_206 = 0x79; - } else if (priv->bb_pre_ed_rssi <= 65) { - ed_inx = 4; - cr_206 = 0x62; - } else if (priv->bb_pre_ed_rssi <= 66) { - ed_inx = 3; - cr_206 = 0x51; - } else if (priv->bb_pre_ed_rssi <= 67) { - ed_inx = 2; - cr_206 = 0x43; - } else if (priv->bb_pre_ed_rssi <= 68) { - ed_inx = 1; - cr_206 = 0x36; - } else { - ed_inx = 0; - cr_206 = 0x30; - } + threshold = al2230_vnt_threshold; + length = ARRAY_SIZE(al2230_vnt_threshold); break; case RF_VT3226: case RF_VT3226D0: - if (scanning) { /* Max sensitivity */ - ed_inx = 0; - cr_206 = 0x24; - break; - } - - if (priv->bb_pre_ed_rssi <= 41) { - ed_inx = 22; - cr_201 = 0xff; - } else if (priv->bb_pre_ed_rssi <= 42) { - ed_inx = 21; - cr_201 = 0x36; - } else if (priv->bb_pre_ed_rssi <= 43) { - ed_inx = 20; - cr_201 = 0x26; - } else if (priv->bb_pre_ed_rssi <= 45) { - ed_inx = 19; - cr_201 = 0x18; - } else if (priv->bb_pre_ed_rssi <= 47) { - ed_inx = 18; - cr_201 = 0x11; - } else if (priv->bb_pre_ed_rssi <= 49) { - ed_inx = 17; - cr_201 = 0xa; - } else if (priv->bb_pre_ed_rssi <= 51) { - ed_inx = 16; - cr_201 = 0x7; - } else if (priv->bb_pre_ed_rssi <= 53) { - ed_inx = 15; - cr_201 = 0x4; - } else if (priv->bb_pre_ed_rssi <= 55) { - ed_inx = 14; - cr_201 = 0x2; - cr_206 = 0xc0; - } else if (priv->bb_pre_ed_rssi <= 56) { - ed_inx = 13; - cr_201 = 0x2; - cr_206 = 0x30; - } else if (priv->bb_pre_ed_rssi <= 57) { - ed_inx = 12; - cr_201 = 0x1; - cr_206 = 0xb0; - } else if (priv->bb_pre_ed_rssi <= 58) { - ed_inx = 11; - cr_201 = 0x1; - cr_206 = 0x70; - } else if (priv->bb_pre_ed_rssi <= 59) { - ed_inx = 10; - cr_201 = 0x1; - cr_206 = 0x30; - } else if (priv->bb_pre_ed_rssi <= 60) { - ed_inx = 9; - cr_206 = 0xea; - } else if (priv->bb_pre_ed_rssi <= 61) { - ed_inx = 8; - cr_206 = 0xc0; - } else if (priv->bb_pre_ed_rssi <= 62) { - ed_inx = 7; - cr_206 = 0x9c; - } else if (priv->bb_pre_ed_rssi <= 63) { - ed_inx = 6; - cr_206 = 0x80; - } else if (priv->bb_pre_ed_rssi <= 64) { - ed_inx = 5; - cr_206 = 0x68; - } else if (priv->bb_pre_ed_rssi <= 65) { - ed_inx = 4; - cr_206 = 0x52; - } else if (priv->bb_pre_ed_rssi <= 66) { - ed_inx = 3; - cr_206 = 0x43; - } else if (priv->bb_pre_ed_rssi <= 67) { - ed_inx = 2; - cr_206 = 0x36; - } else if (priv->bb_pre_ed_rssi <= 68) { - ed_inx = 1; - cr_206 = 0x2d; - } else { - ed_inx = 0; - cr_206 = 0x24; - } + threshold = vt3226_vnt_threshold; + length = ARRAY_SIZE(vt3226_vnt_threshold); break; case RF_VT3342A0: - if (scanning) { /* need Max sensitivity */ - ed_inx = 0; - cr_206 = 0x38; - break; - } - - if (priv->bb_pre_ed_rssi <= 41) { - ed_inx = 20; - cr_201 = 0xff; - } else if (priv->bb_pre_ed_rssi <= 42) { - ed_inx = 19; - cr_201 = 0x36; - } else if (priv->bb_pre_ed_rssi <= 43) { - ed_inx = 18; - cr_201 = 0x26; - } else if (priv->bb_pre_ed_rssi <= 45) { - ed_inx = 17; - cr_201 = 0x18; - } else if (priv->bb_pre_ed_rssi <= 47) { - ed_inx = 16; - cr_201 = 0x11; - } else if (priv->bb_pre_ed_rssi <= 49) { - ed_inx = 15; - cr_201 = 0xa; - } else if (priv->bb_pre_ed_rssi <= 51) { - ed_inx = 14; - cr_201 = 0x7; - } else if (priv->bb_pre_ed_rssi <= 53) { - ed_inx = 13; - cr_201 = 0x4; - } else if (priv->bb_pre_ed_rssi <= 55) { - ed_inx = 12; - cr_201 = 0x2; - cr_206 = 0xc0; - } else if (priv->bb_pre_ed_rssi <= 56) { - ed_inx = 11; - cr_201 = 0x2; - cr_206 = 0x30; - } else if (priv->bb_pre_ed_rssi <= 57) { - ed_inx = 10; - cr_201 = 0x1; - cr_206 = 0xb0; - } else if (priv->bb_pre_ed_rssi <= 58) { - ed_inx = 9; - cr_201 = 0x1; - cr_206 = 0x70; - } else if (priv->bb_pre_ed_rssi <= 59) { - ed_inx = 8; - cr_201 = 0x1; - cr_206 = 0x30; - } else if (priv->bb_pre_ed_rssi <= 60) { - ed_inx = 7; - cr_206 = 0xea; - } else if (priv->bb_pre_ed_rssi <= 61) { - ed_inx = 6; - cr_206 = 0xc0; - } else if (priv->bb_pre_ed_rssi <= 62) { - ed_inx = 5; - cr_206 = 0x9c; - } else if (priv->bb_pre_ed_rssi <= 63) { - ed_inx = 4; - cr_206 = 0x80; - } else if (priv->bb_pre_ed_rssi <= 64) { - ed_inx = 3; - cr_206 = 0x68; - } else if (priv->bb_pre_ed_rssi <= 65) { - ed_inx = 2; - cr_206 = 0x52; - } else if (priv->bb_pre_ed_rssi <= 66) { - ed_inx = 1; - cr_206 = 0x43; - } else { - ed_inx = 0; - cr_206 = 0x38; - } + threshold = vt3342_vnt_threshold; + length = ARRAY_SIZE(vt3342_vnt_threshold); break; } + if (!threshold) + return -EINVAL; + + for (ed_inx = scanning ? 0 : length - 1; ed_inx > 0; ed_inx--) { + if (priv->bb_pre_ed_rssi <= threshold[ed_inx].bb_pre_ed_rssi) + break; + } + + cr_201 = threshold[ed_inx].cr_201; + cr_206 = threshold[ed_inx].cr_206; + if (ed_inx == priv->bb_pre_ed_index && !scanning) - return; + return 0; priv->bb_pre_ed_index = ed_inx; dev_dbg(&priv->usb->dev, "%s bb_pre_ed_rssi %d\n", __func__, priv->bb_pre_ed_rssi); - if (!cr_201 && !cr_206) - return; + ret = vnt_control_out_u8(priv, MESSAGE_REQUEST_BBREG, 0xc9, cr_201); + if (ret) + return ret; - vnt_control_out_u8(priv, MESSAGE_REQUEST_BBREG, 0xc9, cr_201); - vnt_control_out_u8(priv, MESSAGE_REQUEST_BBREG, 0xce, cr_206); + return vnt_control_out_u8(priv, MESSAGE_REQUEST_BBREG, 0xce, cr_206); } |