diff options
Diffstat (limited to 'drivers/w1/masters/ds2482.c')
| -rw-r--r-- | drivers/w1/masters/ds2482.c | 94 |
1 files changed, 47 insertions, 47 deletions
diff --git a/drivers/w1/masters/ds2482.c b/drivers/w1/masters/ds2482.c index b471779c3e2c..6c962e88501c 100644 --- a/drivers/w1/masters/ds2482.c +++ b/drivers/w1/masters/ds2482.c @@ -1,5 +1,5 @@ // SPDX-License-Identifier: GPL-2.0-only -/** +/* * ds2482.c - provides i2c to w1-master bridge(s) * Copyright (C) 2005 Ben Gardner <bgardner@wabtec.com> * @@ -19,7 +19,7 @@ #include <linux/w1.h> -/** +/* * Allow the active pullup to be disabled, default is enabled. * * Note from the DS2482 datasheet: @@ -39,7 +39,7 @@ static int extra_config; module_param(extra_config, int, S_IRUGO | S_IWUSR); MODULE_PARM_DESC(extra_config, "Extra Configuration settings 1=APU,2=PPM,3=SPU,8=1WS"); -/** +/* * The DS2482 registers - there are 3 registers that are addressed by a read * pointer. The read pointer is set by the last command executed. * @@ -62,7 +62,7 @@ MODULE_PARM_DESC(extra_config, "Extra Configuration settings 1=APU,2=PPM,3=SPU,8 #define DS2482_PTR_CODE_CHANNEL 0xD2 /* DS2482-800 only */ #define DS2482_PTR_CODE_CONFIG 0xC3 -/** +/* * Configure Register bit definitions * The top 4 bits always read 0. * To write, the top nibble must be the 1's compl. of the low nibble. @@ -73,7 +73,7 @@ MODULE_PARM_DESC(extra_config, "Extra Configuration settings 1=APU,2=PPM,3=SPU,8 #define DS2482_REG_CFG_APU 0x01 /* active pull-up */ -/** +/* * Write and verify codes for the CHANNEL_SELECT command (DS2482-800 only). * To set the channel, write the value at the index of the channel. * Read and compare against the corresponding value to verify the change. @@ -84,7 +84,7 @@ static const u8 ds2482_chan_rd[8] = { 0xB8, 0xB1, 0xAA, 0xA3, 0x9C, 0x95, 0x8E, 0x87 }; -/** +/* * Status Register bit definitions (read only) */ #define DS2482_REG_STS_DIR 0x80 @@ -124,9 +124,9 @@ struct ds2482_data { /** - * Helper to calculate values for configuration register - * @param conf the raw config value - * @return the value w/ complements that can be written to register + * ds2482_calculate_config - Helper to calculate values for configuration register + * @conf: the raw config value + * Return: the value w/ complements that can be written to register */ static inline u8 ds2482_calculate_config(u8 conf) { @@ -140,10 +140,10 @@ static inline u8 ds2482_calculate_config(u8 conf) /** - * Sets the read pointer. - * @param pdev The ds2482 client pointer - * @param read_ptr see DS2482_PTR_CODE_xxx above - * @return -1 on failure, 0 on success + * ds2482_select_register - Sets the read pointer. + * @pdev: The ds2482 client pointer + * @read_ptr: see DS2482_PTR_CODE_xxx above + * Return: -1 on failure, 0 on success */ static inline int ds2482_select_register(struct ds2482_data *pdev, u8 read_ptr) { @@ -159,12 +159,12 @@ static inline int ds2482_select_register(struct ds2482_data *pdev, u8 read_ptr) } /** - * Sends a command without a parameter - * @param pdev The ds2482 client pointer - * @param cmd DS2482_CMD_RESET, + * ds2482_send_cmd - Sends a command without a parameter + * @pdev: The ds2482 client pointer + * @cmd: DS2482_CMD_RESET, * DS2482_CMD_1WIRE_RESET, * DS2482_CMD_1WIRE_READ_BYTE - * @return -1 on failure, 0 on success + * Return: -1 on failure, 0 on success */ static inline int ds2482_send_cmd(struct ds2482_data *pdev, u8 cmd) { @@ -176,14 +176,14 @@ static inline int ds2482_send_cmd(struct ds2482_data *pdev, u8 cmd) } /** - * Sends a command with a parameter - * @param pdev The ds2482 client pointer - * @param cmd DS2482_CMD_WRITE_CONFIG, + * ds2482_send_cmd_data - Sends a command with a parameter + * @pdev: The ds2482 client pointer + * @cmd: DS2482_CMD_WRITE_CONFIG, * DS2482_CMD_1WIRE_SINGLE_BIT, * DS2482_CMD_1WIRE_WRITE_BYTE, * DS2482_CMD_1WIRE_TRIPLET - * @param byte The data to send - * @return -1 on failure, 0 on success + * @byte: The data to send + * Return: -1 on failure, 0 on success */ static inline int ds2482_send_cmd_data(struct ds2482_data *pdev, u8 cmd, u8 byte) @@ -205,10 +205,10 @@ static inline int ds2482_send_cmd_data(struct ds2482_data *pdev, #define DS2482_WAIT_IDLE_TIMEOUT 100 /** - * Waits until the 1-wire interface is idle (not busy) + * ds2482_wait_1wire_idle - Waits until the 1-wire interface is idle (not busy) * - * @param pdev Pointer to the device structure - * @return the last value read from status or -1 (failure) + * @pdev: Pointer to the device structure + * Return: the last value read from status or -1 (failure) */ static int ds2482_wait_1wire_idle(struct ds2482_data *pdev) { @@ -230,12 +230,12 @@ static int ds2482_wait_1wire_idle(struct ds2482_data *pdev) } /** - * Selects a w1 channel. + * ds2482_set_channel - Selects a w1 channel. * The 1-wire interface must be idle before calling this function. * - * @param pdev The ds2482 client pointer - * @param channel 0-7 - * @return -1 (failure) or 0 (success) + * @pdev: The ds2482 client pointer + * @channel: 0-7 + * Return: -1 (failure) or 0 (success) */ static int ds2482_set_channel(struct ds2482_data *pdev, u8 channel) { @@ -254,11 +254,11 @@ static int ds2482_set_channel(struct ds2482_data *pdev, u8 channel) /** - * Performs the touch-bit function, which writes a 0 or 1 and reads the level. + * ds2482_w1_touch_bit - Performs the touch-bit function, which writes a 0 or 1 and reads the level. * - * @param data The ds2482 channel pointer - * @param bit The level to write: 0 or non-zero - * @return The level read: 0 or 1 + * @data: The ds2482 channel pointer + * @bit: The level to write: 0 or non-zero + * Return: The level read: 0 or 1 */ static u8 ds2482_w1_touch_bit(void *data, u8 bit) { @@ -284,13 +284,13 @@ static u8 ds2482_w1_touch_bit(void *data, u8 bit) } /** - * Performs the triplet function, which reads two bits and writes a bit. + * ds2482_w1_triplet - Performs the triplet function, which reads two bits and writes a bit. * The bit written is determined by the two reads: * 00 => dbit, 01 => 0, 10 => 1 * - * @param data The ds2482 channel pointer - * @param dbit The direction to choose if both branches are valid - * @return b0=read1 b1=read2 b3=bit written + * @data: The ds2482 channel pointer + * @dbit: The direction to choose if both branches are valid + * Return: b0=read1 b1=read2 b3=bit written */ static u8 ds2482_w1_triplet(void *data, u8 dbit) { @@ -317,10 +317,10 @@ static u8 ds2482_w1_triplet(void *data, u8 dbit) } /** - * Performs the write byte function. + * ds2482_w1_write_byte - Performs the write byte function. * - * @param data The ds2482 channel pointer - * @param byte The value to write + * @data: The ds2482 channel pointer + * @byte: The value to write */ static void ds2482_w1_write_byte(void *data, u8 byte) { @@ -341,10 +341,10 @@ static void ds2482_w1_write_byte(void *data, u8 byte) } /** - * Performs the read byte function. + * ds2482_w1_read_byte - Performs the read byte function. * - * @param data The ds2482 channel pointer - * @return The value read + * @data: The ds2482 channel pointer + * Return: The value read */ static u8 ds2482_w1_read_byte(void *data) { @@ -378,10 +378,10 @@ static u8 ds2482_w1_read_byte(void *data) /** - * Sends a reset on the 1-wire interface + * ds2482_w1_reset_bus - Sends a reset on the 1-wire interface * - * @param data The ds2482 channel pointer - * @return 0=Device present, 1=No device present or error + * @data: The ds2482 channel pointer + * Return: 0=Device present, 1=No device present or error */ static u8 ds2482_w1_reset_bus(void *data) { @@ -541,7 +541,7 @@ static int ds2482_remove(struct i2c_client *client) return 0; } -/** +/* * Driver data (common to all clients) */ static const struct i2c_device_id ds2482_id[] = { |