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Searched refs:spi (Results 1 – 25 of 1542) sorted by relevance

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/linux/drivers/spi/
H A Dspi-stm32.c280 int (*get_fifo_size)(struct stm32_spi *spi);
281 int (*get_bpw_mask)(struct stm32_spi *spi);
282 void (*disable)(struct stm32_spi *spi);
283 int (*config)(struct stm32_spi *spi);
284 void (*set_bpw)(struct stm32_spi *spi);
285 int (*set_mode)(struct stm32_spi *spi, unsigned int comm_type);
286 void (*set_data_idleness)(struct stm32_spi *spi, struct spi_transfer *xfer);
287 int (*set_number_of_data)(struct stm32_spi *spi, u32 length);
288 void (*write_tx)(struct stm32_spi *spi);
289 void (*read_rx)(struct stm32_spi *spi);
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H A Dspi-microchip-core-spi.c82 static inline void mchp_corespi_disable(struct mchp_corespi *spi) in mchp_corespi_disable() argument
84 u8 control = readb(spi->regs + MCHP_CORESPI_REG_CONTROL); in mchp_corespi_disable()
88 writeb(control, spi->regs + MCHP_CORESPI_REG_CONTROL); in mchp_corespi_disable()
91 static inline void mchp_corespi_read_fifo(struct mchp_corespi *spi, u32 fifo_max) in mchp_corespi_read_fifo() argument
96 while (readb(spi->regs + MCHP_CORESPI_REG_STAT) & in mchp_corespi_read_fifo()
101 data = readb(spi->regs + MCHP_CORESPI_REG_RXDATA); in mchp_corespi_read_fifo()
102 if (spi->rx_buf) in mchp_corespi_read_fifo()
103 *spi->rx_buf++ = data; in mchp_corespi_read_fifo()
105 spi->rx_len--; in mchp_corespi_read_fifo()
109 static void mchp_corespi_enable_ints(struct mchp_corespi *spi) in mchp_corespi_enable_ints() argument
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H A Dspi-gpio.c47 spi_to_spi_gpio(const struct spi_device *spi) in spi_to_spi_gpio() argument
52 bang = spi_controller_get_devdata(spi->controller); in spi_to_spi_gpio()
58 static inline void setsck(const struct spi_device *spi, int is_on) in setsck() argument
60 struct spi_gpio *spi_gpio = spi_to_spi_gpio(spi); in setsck()
65 static inline void setmosi(const struct spi_device *spi, int is_on) in setmosi() argument
67 struct spi_gpio *spi_gpio = spi_to_spi_gpio(spi); in setmosi()
72 static inline int getmiso(const struct spi_device *spi) in getmiso() argument
74 struct spi_gpio *spi_gpio = spi_to_spi_gpio(spi); in getmiso()
76 if (spi->mode & SPI_3WIRE) in getmiso()
106 static u32 spi_gpio_txrx_word_mode0(struct spi_device *spi, in spi_gpio_txrx_word_mode0() argument
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H A Dspi-omap2-mcspi.c165 static inline void mcspi_write_cs_reg(const struct spi_device *spi, in mcspi_write_cs_reg() argument
168 struct omap2_mcspi_cs *cs = spi->controller_state; in mcspi_write_cs_reg()
173 static inline u32 mcspi_read_cs_reg(const struct spi_device *spi, int idx) in mcspi_read_cs_reg() argument
175 struct omap2_mcspi_cs *cs = spi->controller_state; in mcspi_read_cs_reg()
180 static inline u32 mcspi_cached_chconf0(const struct spi_device *spi) in mcspi_cached_chconf0() argument
182 struct omap2_mcspi_cs *cs = spi->controller_state; in mcspi_cached_chconf0()
187 static inline void mcspi_write_chconf0(const struct spi_device *spi, u32 val) in mcspi_write_chconf0() argument
189 struct omap2_mcspi_cs *cs = spi->controller_state; in mcspi_write_chconf0()
192 mcspi_write_cs_reg(spi, OMAP2_MCSPI_CHCONF0, val); in mcspi_write_chconf0()
193 mcspi_read_cs_reg(spi, OMAP2_MCSPI_CHCONF0); in mcspi_write_chconf0()
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H A Dspi-bitbang.c51 static unsigned int bitbang_txrx_8(struct spi_device *spi, in bitbang_txrx_8() argument
63 bitbang = spi_controller_get_devdata(spi->controller); in bitbang_txrx_8()
70 word = spi->mode & SPI_MOSI_IDLE_HIGH ? 0xFF : 0; in bitbang_txrx_8()
71 word = txrx_word(spi, ns, word, bits, flags); in bitbang_txrx_8()
77 bitbang->set_mosi_idle(spi); in bitbang_txrx_8()
82 static unsigned int bitbang_txrx_16(struct spi_device *spi, in bitbang_txrx_16() argument
94 bitbang = spi_controller_get_devdata(spi->controller); in bitbang_txrx_16()
101 word = spi->mode & SPI_MOSI_IDLE_HIGH ? 0xFFFF : 0; in bitbang_txrx_16()
102 word = txrx_word(spi, ns, word, bits, flags); in bitbang_txrx_16()
108 bitbang->set_mosi_idle(spi); in bitbang_txrx_16()
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H A Dspi.c50 struct spi_device *spi = to_spi_device(dev); in spidev_release() local
52 spi_controller_put(spi->controller); in spidev_release()
53 kfree(spi->driver_override); in spidev_release()
54 free_percpu(spi->pcpu_statistics); in spidev_release()
55 kfree(spi); in spidev_release()
61 const struct spi_device *spi = to_spi_device(dev); in modalias_show() local
68 return sysfs_emit(buf, "%s%s\n", SPI_MODULE_PREFIX, spi->modalias); in modalias_show()
76 struct spi_device *spi = to_spi_device(dev); in driver_override_store() local
79 ret = driver_set_override(dev, &spi->driver_override, buf, count); in driver_override_store()
89 const struct spi_device *spi = to_spi_device(dev); in driver_override_show() local
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/linux/drivers/net/wan/
H A Dslic_ds26522.c38 static void slic_write(struct spi_device *spi, u16 addr, in slic_write() argument
50 spi_write(spi, &temp[0], SLIC_THREE_LEN); in slic_write()
53 static u8 slic_read(struct spi_device *spi, u16 addr) in slic_read() argument
62 spi_write_then_read(spi, &temp[0], SLIC_TWO_LEN, &data, in slic_read()
69 static bool get_slic_product_code(struct spi_device *spi) in get_slic_product_code() argument
73 device_id = slic_read(spi, DS26522_IDR_ADDR); in get_slic_product_code()
80 static void ds26522_e1_spec_config(struct spi_device *spi) in ds26522_e1_spec_config() argument
83 slic_write(spi, DS26522_RMMR_ADDR, DS26522_RMMR_E1); in ds26522_e1_spec_config()
86 slic_write(spi, DS26522_TMMR_ADDR, DS26522_TMMR_E1); in ds26522_e1_spec_config()
89 slic_write(spi, DS26522_RMMR_ADDR, in ds26522_e1_spec_config()
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/linux/drivers/video/backlight/
H A Dili922x.c138 struct spi_device *spi; member
148 static int ili922x_read_status(struct spi_device *spi, u16 *rs) in ili922x_read_status() argument
161 CHECK_FREQ_REG(spi, &xfer); in ili922x_read_status()
175 ret = spi_sync(spi, &msg); in ili922x_read_status()
177 dev_dbg(&spi->dev, "Error sending SPI message 0x%x", ret); in ili922x_read_status()
191 static int ili922x_read(struct spi_device *spi, u8 reg, u16 *rx) in ili922x_read() argument
205 CHECK_FREQ_REG(spi, &xfer_regindex); in ili922x_read()
226 CHECK_FREQ_REG(spi, &xfer_regvalue); in ili922x_read()
229 ret = spi_sync(spi, &msg); in ili922x_read()
231 dev_dbg(&spi->dev, "Error sending SPI message 0x%x", ret); in ili922x_read()
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H A Dl4f00242t03.c24 struct spi_device *spi; member
46 static void l4f00242t03_lcd_init(struct spi_device *spi) in l4f00242t03_lcd_init() argument
48 struct l4f00242t03_priv *priv = spi_get_drvdata(spi); in l4f00242t03_lcd_init()
52 dev_dbg(&spi->dev, "initializing LCD\n"); in l4f00242t03_lcd_init()
56 dev_err(&spi->dev, "failed to set the IO regulator voltage.\n"); in l4f00242t03_lcd_init()
61 dev_err(&spi->dev, "failed to enable the IO regulator.\n"); in l4f00242t03_lcd_init()
67 dev_err(&spi->dev, "failed to set the core regulator voltage.\n"); in l4f00242t03_lcd_init()
73 dev_err(&spi->dev, "failed to enable the core regulator.\n"); in l4f00242t03_lcd_init()
82 spi_write(spi, (const u8 *)cmd, ARRAY_SIZE(cmd) * sizeof(u16)); in l4f00242t03_lcd_init()
85 static void l4f00242t03_lcd_powerdown(struct spi_device *spi) in l4f00242t03_lcd_powerdown() argument
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H A Dili9320.c29 struct ili9320_spi *spi = &ili->access.spi; in ili9320_write_spi() local
30 unsigned char *addr = spi->buffer_addr; in ili9320_write_spi()
31 unsigned char *data = spi->buffer_data; in ili9320_write_spi()
37 addr[0] = spi->id | ILI9320_SPI_INDEX | ILI9320_SPI_WRITE; in ili9320_write_spi()
43 data[0] = spi->id | ILI9320_SPI_DATA | ILI9320_SPI_WRITE; in ili9320_write_spi()
47 return spi_sync(spi->dev, &spi->message); in ili9320_write_spi()
171 struct ili9320_spi *spi = &ili->access.spi; in ili9320_setup_spi() local
174 spi->dev = dev; in ili9320_setup_spi()
181 spi->xfer[0].tx_buf = spi->buffer_addr; in ili9320_setup_spi()
182 spi->xfer[1].tx_buf = spi->buffer_data; in ili9320_setup_spi()
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/linux/drivers/staging/greybus/
H A Dspilib.c45 static struct spi_controller *get_controller_from_spi(struct gb_spilib *spi) in get_controller_from_spi() argument
47 return gb_connection_get_data(spi->connection); in get_controller_from_spi()
95 static void clean_xfer_state(struct gb_spilib *spi) in clean_xfer_state() argument
97 spi->first_xfer = NULL; in clean_xfer_state()
98 spi->last_xfer = NULL; in clean_xfer_state()
99 spi->rx_xfer_offset = 0; in clean_xfer_state()
100 spi->tx_xfer_offset = 0; in clean_xfer_state()
101 spi->last_xfer_size = 0; in clean_xfer_state()
102 spi->op_timeout = 0; in clean_xfer_state()
105 static bool is_last_xfer_done(struct gb_spilib *spi) in is_last_xfer_done() argument
[all …]
/linux/drivers/misc/
H A Dgehc-achc.c59 static int ezport_start_programming(struct spi_device *spi, struct gpio_desc *reset) in ezport_start_programming() argument
68 spi_bus_lock(spi->controller); in ezport_start_programming()
73 ret = spi_sync_locked(spi, &msg); in ezport_start_programming()
85 ret = spi_sync_locked(spi, &msg); in ezport_start_programming()
88 spi_bus_unlock(spi->controller); in ezport_start_programming()
92 static void ezport_stop_programming(struct spi_device *spi, struct gpio_desc *reset) in ezport_stop_programming() argument
95 spi_bus_lock(spi->controller); in ezport_stop_programming()
97 spi_bus_unlock(spi->controller); in ezport_stop_programming()
100 static int ezport_get_status_register(struct spi_device *spi) in ezport_get_status_register() argument
104 ret = spi_w8r8(spi, EZPORT_CMD_RDSR); in ezport_get_status_register()
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H A Dlattice-ecp3-config.c67 struct spi_device *spi = (struct spi_device *)context; in firmware_load() local
68 struct fpga_data *data = spi_get_drvdata(spi); in firmware_load()
78 dev_err(&spi->dev, "Cannot load firmware, aborting\n"); in firmware_load()
83 dev_err(&spi->dev, "Error: Firmware size is 0!\n"); in firmware_load()
94 spi_write_then_read(spi, txbuf, 8, rxbuf, rx_len); in firmware_load()
96 dev_dbg(&spi->dev, "FPGA JTAG ID=%08x\n", jedec_id); in firmware_load()
103 dev_err(&spi->dev, in firmware_load()
109 dev_info(&spi->dev, "FPGA %s detected\n", ecp3_dev[i].name); in firmware_load()
112 spi_write_then_read(spi, txbuf, 8, rxbuf, rx_len); in firmware_load()
114 dev_dbg(&spi->dev, "FPGA Status=%08x\n", status); in firmware_load()
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/linux/drivers/media/dvb-frontends/cxd2880/
H A Dcxd2880_spi_device.c14 static int cxd2880_spi_device_write(struct cxd2880_spi *spi, in cxd2880_spi_device_write() argument
22 if (!spi || !spi->user || !data || size == 0) in cxd2880_spi_device_write()
25 spi_device = spi->user; in cxd2880_spi_device_write()
33 result = spi_sync(spi_device->spi, &msg); in cxd2880_spi_device_write()
41 static int cxd2880_spi_device_write_read(struct cxd2880_spi *spi, in cxd2880_spi_device_write_read() argument
50 if (!spi || !spi->user || !tx_data || in cxd2880_spi_device_write_read()
54 spi_device = spi->user; in cxd2880_spi_device_write_read()
56 result = spi_write_then_read(spi_device->spi, tx_data, in cxd2880_spi_device_write_read()
70 struct spi_device *spi = spi_device->spi; in cxd2880_spi_device_initialize() local
74 spi->mode = SPI_MODE_0; in cxd2880_spi_device_initialize()
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/linux/drivers/video/fbdev/omap2/omapfb/displays/
H A Dpanel-lgphilips-lb035q02.c43 struct spi_device *spi; member
54 static int lb035q02_write_reg(struct spi_device *spi, u8 reg, u16 val) in lb035q02_write_reg() argument
82 return spi_sync(spi, &msg); in lb035q02_write_reg()
85 static void init_lb035q02_panel(struct spi_device *spi) in init_lb035q02_panel() argument
88 lb035q02_write_reg(spi, 0x01, 0x6300); in init_lb035q02_panel()
89 lb035q02_write_reg(spi, 0x02, 0x0200); in init_lb035q02_panel()
90 lb035q02_write_reg(spi, 0x03, 0x0177); in init_lb035q02_panel()
91 lb035q02_write_reg(spi, 0x04, 0x04c7); in init_lb035q02_panel()
92 lb035q02_write_reg(spi, 0x05, 0xffc0); in init_lb035q02_panel()
93 lb035q02_write_reg(spi, 0x06, 0xe806); in init_lb035q02_panel()
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/linux/drivers/mtd/devices/
H A Dmtd_dataflash.c93 struct spi_device *spi; member
112 MODULE_DEVICE_TABLE(spi, dataflash_spi_ids);
119 static inline int dataflash_status(struct spi_device *spi) in dataflash_status() argument
124 return spi_w8r8(spi, OP_READ_STATUS); in dataflash_status()
131 static int dataflash_waitready(struct spi_device *spi) in dataflash_waitready() argument
136 status = dataflash_status(spi); in dataflash_waitready()
138 dev_dbg(&spi->dev, "status %d?\n", status); in dataflash_waitready()
157 struct spi_device *spi = priv->spi; in dataflash_erase() local
164 dev_dbg(&spi->dev, "erase addr=0x%llx len 0x%llx\n", in dataflash_erase()
198 dev_dbg(&spi->dev, "ERASE %s: (%x) %x %x %x [%i]\n", in dataflash_erase()
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/linux/drivers/net/dsa/b53/
H A Db53_spi.c42 static inline int b53_spi_read_reg(struct spi_device *spi, u8 reg, u8 *val, in b53_spi_read_reg() argument
50 return spi_write_then_read(spi, txbuf, 2, val, len); in b53_spi_read_reg()
53 static inline int b53_spi_clear_status(struct spi_device *spi) in b53_spi_clear_status() argument
60 ret = b53_spi_read_reg(spi, B53_SPI_STATUS, &rxbuf, 1); in b53_spi_clear_status()
76 static inline int b53_spi_set_page(struct spi_device *spi, u8 page) in b53_spi_set_page() argument
84 return spi_write(spi, txbuf, sizeof(txbuf)); in b53_spi_set_page()
87 static inline int b53_prepare_reg_access(struct spi_device *spi, u8 page) in b53_prepare_reg_access() argument
89 int ret = b53_spi_clear_status(spi); in b53_prepare_reg_access()
94 return b53_spi_set_page(spi, page); in b53_prepare_reg_access()
97 static int b53_spi_prepare_reg_read(struct spi_device *spi, u8 reg) in b53_spi_prepare_reg_read() argument
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/linux/net/ipv6/
H A Dxfrm6_tunnel.c31 u32 spi; member
48 u32 spi; member
69 static inline unsigned int xfrm6_tunnel_spi_hash_byspi(u32 spi) in xfrm6_tunnel_spi_hash_byspi() argument
71 return spi % XFRM6_TUNNEL_SPI_BYSPI_HSIZE; in xfrm6_tunnel_spi_hash_byspi()
92 u32 spi; in xfrm6_tunnel_spi_lookup() local
96 spi = x6spi ? x6spi->spi : 0; in xfrm6_tunnel_spi_lookup()
98 return htonl(spi); in xfrm6_tunnel_spi_lookup()
102 static int __xfrm6_tunnel_spi_check(struct net *net, u32 spi) in __xfrm6_tunnel_spi_check() argument
106 int index = xfrm6_tunnel_spi_hash_byspi(spi); in __xfrm6_tunnel_spi_check()
111 if (x6spi->spi == spi) in __xfrm6_tunnel_spi_check()
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/linux/drivers/media/v4l2-core/
H A Dv4l2-spi.c13 struct spi_device *spi = v4l2_get_subdevdata(sd); in v4l2_spi_subdev_unregister() local
15 if (spi && !spi->dev.of_node && !spi->dev.fwnode) in v4l2_spi_subdev_unregister()
16 spi_unregister_device(spi); in v4l2_spi_subdev_unregister()
19 void v4l2_spi_subdev_init(struct v4l2_subdev *sd, struct spi_device *spi, in v4l2_spi_subdev_init() argument
25 sd->owner = spi->dev.driver->owner; in v4l2_spi_subdev_init()
26 sd->dev = &spi->dev; in v4l2_spi_subdev_init()
28 v4l2_set_subdevdata(sd, spi); in v4l2_spi_subdev_init()
29 spi_set_drvdata(spi, sd); in v4l2_spi_subdev_init()
32 spi->dev.driver->name, dev_name(&spi->dev)); in v4l2_spi_subdev_init()
41 struct spi_device *spi = NULL; in v4l2_spi_new_subdev() local
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/linux/drivers/rtc/
H A Drtc-ds1302.c39 struct spi_device *spi = dev_get_drvdata(dev); in ds1302_rtc_set_time() local
49 status = spi_write_then_read(spi, buf, 2, in ds1302_rtc_set_time()
68 return spi_write_then_read(spi, buf, sizeof(buf), in ds1302_rtc_set_time()
74 struct spi_device *spi = dev_get_drvdata(dev); in ds1302_rtc_get_time() local
82 status = spi_write_then_read(spi, &addr, sizeof(addr), in ds1302_rtc_get_time()
104 static int ds1302_probe(struct spi_device *spi) in ds1302_probe() argument
116 if (spi->bits_per_word && (spi->bits_per_word != 8)) { in ds1302_probe()
117 dev_err(&spi->dev, "bad word length\n"); in ds1302_probe()
119 } else if (spi->max_speed_hz > 2000000) { in ds1302_probe()
120 dev_err(&spi->dev, "speed is too high\n"); in ds1302_probe()
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H A Drtc-max6916.c34 struct spi_device *spi = to_spi_device(dev); in max6916_read_reg() local
38 return spi_write_then_read(spi, data, 1, data, 1); in max6916_read_reg()
44 struct spi_device *spi = to_spi_device(dev); in max6916_write_reg() local
50 return spi_write_then_read(spi, buf, 2, NULL, 0); in max6916_write_reg()
55 struct spi_device *spi = to_spi_device(dev); in max6916_read_time() local
61 err = spi_write_then_read(spi, buf, 1, buf, 8); in max6916_read_time()
79 struct spi_device *spi = to_spi_device(dev); in max6916_set_time() local
83 dev_err(&spi->dev, "Year must be between 2000 and 2099. It's %d.\n", in max6916_set_time()
99 return spi_write_then_read(spi, buf, 9, NULL, 0); in max6916_set_time()
107 static int max6916_probe(struct spi_device *spi) in max6916_probe() argument
[all …]
H A Drtc-ds1305.c85 struct spi_device *spi; member
157 err = spi_write_then_read(ds1305->spi, buf, sizeof(buf), NULL, 0); in ds1305_alarm_irq_enable()
180 status = spi_write_then_read(ds1305->spi, &addr, sizeof(addr), in ds1305_get_time()
231 return spi_write_then_read(ds1305->spi, buf, sizeof(buf), in ds1305_set_time()
269 struct spi_device *spi = ds1305->spi; in ds1305_get_alarm() local
280 status = spi_write_then_read(spi, &addr, sizeof(addr), in ds1305_get_alarm()
290 status = spi_write_then_read(spi, &addr, sizeof(addr), in ds1305_get_alarm()
321 struct spi_device *spi = ds1305->spi; in ds1305_set_alarm() local
348 status = spi_write_then_read(ds1305->spi, buf, 2, NULL, 0); in ds1305_set_alarm()
364 status = spi_write_then_read(spi, buf, sizeof(buf), NULL, 0); in ds1305_set_alarm()
[all …]
H A Drtc-m41t93.c34 static inline int m41t93_set_reg(struct spi_device *spi, u8 addr, u8 data) in m41t93_set_reg() argument
42 return spi_write(spi, buf, sizeof(buf)); in m41t93_set_reg()
47 struct spi_device *spi = to_spi_device(dev); in m41t93_set_time() local
59 dev_warn(&spi->dev, "unsupported date (before 2000-01-01).\n"); in m41t93_set_time()
63 tmp = spi_w8r8(spi, M41T93_REG_FLAGS); in m41t93_set_time()
68 dev_warn(&spi->dev, "OF bit is set, resetting.\n"); in m41t93_set_time()
69 m41t93_set_reg(spi, M41T93_REG_FLAGS, tmp & ~M41T93_FLAG_OF); in m41t93_set_time()
71 tmp = spi_w8r8(spi, M41T93_REG_FLAGS); in m41t93_set_time()
79 dev_warn(&spi->dev, in m41t93_set_time()
81 m41t93_set_reg(spi, M41T93_REG_ST_SEC, reset_osc); in m41t93_set_time()
[all …]
/linux/drivers/iio/chemical/
H A Dbme680_spi.c15 struct spi_device *spi; member
27 struct spi_device *spi = ctx->spi; in bme680_regmap_spi_select_page() local
40 ret = spi_write_then_read(spi, buf, 1, buf + 1, 1); in bme680_regmap_spi_select_page()
42 dev_err(&spi->dev, "failed to set page %u\n", page); in bme680_regmap_spi_select_page()
52 ret = spi_write(spi, buf, 2); in bme680_regmap_spi_select_page()
54 dev_err(&spi->dev, "failed to set page %u\n", page); in bme680_regmap_spi_select_page()
67 struct spi_device *spi = ctx->spi; in bme680_regmap_spi_write() local
83 return spi_write(spi, buf, 2); in bme680_regmap_spi_write()
90 struct spi_device *spi = ctx->spi; in bme680_regmap_spi_read() local
100 return spi_write_then_read(spi, &addr, 1, val, val_size); in bme680_regmap_spi_read()
[all …]
/linux/drivers/hwmon/
H A Dads7871.c66 struct spi_device *spi; member
69 static int ads7871_read_reg8(struct spi_device *spi, int reg) in ads7871_read_reg8() argument
73 ret = spi_w8r8(spi, reg); in ads7871_read_reg8()
77 static int ads7871_read_reg16(struct spi_device *spi, int reg) in ads7871_read_reg16() argument
81 ret = spi_w8r16(spi, reg); in ads7871_read_reg16()
85 static int ads7871_write_reg8(struct spi_device *spi, int reg, u8 val) in ads7871_write_reg8() argument
88 return spi_write(spi, tmp, sizeof(tmp)); in ads7871_write_reg8()
95 struct spi_device *spi = pdata->spi; in voltage_show() local
107 ads7871_write_reg8(spi, REG_GAIN_MUX, in voltage_show()
110 ret = ads7871_read_reg8(spi, REG_GAIN_MUX); in voltage_show()
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