diff options
author | Mauro Carvalho Chehab <mchehab@s-opensource.com> | 2018-03-03 14:26:13 -0500 |
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committer | Mauro Carvalho Chehab <mchehab@s-opensource.com> | 2018-03-06 05:54:56 -0500 |
commit | 08cc05e4e737c1a4df194624f45bdb1eeae90762 (patch) | |
tree | 273312c0f5faeed5ef87509327628ed6a96003c6 /drivers/media/usb/em28xx/em28xx-input.c | |
parent | 8adbc7d68a21bc0bb584100adba326f4fa865878 (diff) | |
download | linux-08cc05e4e737c1a4df194624f45bdb1eeae90762.tar.bz2 |
media: em28xx-input: fix most coding style issues
There are a number of coding style issues at em28xx-input.
Fix most of them, by using checkpatch in strict mode to point
for it.
Automatic fixes were made with --fix-inplace, but those
were complemented by manual work.
Signed-off-by: Mauro Carvalho Chehab <mchehab@s-opensource.com>
Diffstat (limited to 'drivers/media/usb/em28xx/em28xx-input.c')
-rw-r--r-- | drivers/media/usb/em28xx/em28xx-input.c | 121 |
1 files changed, 74 insertions, 47 deletions
diff --git a/drivers/media/usb/em28xx/em28xx-input.c b/drivers/media/usb/em28xx/em28xx-input.c index c7afcf67ccc5..eb2ec0384b69 100644 --- a/drivers/media/usb/em28xx/em28xx-input.c +++ b/drivers/media/usb/em28xx/em28xx-input.c @@ -37,15 +37,15 @@ MODULE_PARM_DESC(ir_debug, "enable debug messages [IR]"); #define MODULE_NAME "em28xx" -#define dprintk( fmt, arg...) do { \ +#define dprintk(fmt, arg...) do { \ if (ir_debug) \ dev_printk(KERN_DEBUG, &ir->dev->intf->dev, \ "input: %s: " fmt, __func__, ## arg); \ } while (0) -/********************************************************** - Polling structure used by em28xx IR's - **********************************************************/ +/* + * Polling structure used by em28xx IR's + */ struct em28xx_ir_poll_result { unsigned int toggle_bit:1; @@ -72,12 +72,12 @@ struct em28xx_IR { int (*get_key_i2c)(struct i2c_client *ir, enum rc_proto *protocol, u32 *scancode); - int (*get_key)(struct em28xx_IR *, struct em28xx_ir_poll_result *); + int (*get_key)(struct em28xx_IR *ir, struct em28xx_ir_poll_result *r); }; -/********************************************************** - I2C IR based get keycodes - should be used with ir-kbd-i2c - **********************************************************/ +/* + * I2C IR based get keycodes - should be used with ir-kbd-i2c + */ static int em28xx_get_key_terratec(struct i2c_client *i2c_dev, enum rc_proto *protocol, u32 *scancode) @@ -85,11 +85,13 @@ static int em28xx_get_key_terratec(struct i2c_client *i2c_dev, unsigned char b; /* poll IR chip */ - if (1 != i2c_master_recv(i2c_dev, &b, 1)) + if (i2c_master_recv(i2c_dev, &b, 1) != 1) return -EIO; - /* it seems that 0xFE indicates that a button is still hold - down, while 0xff indicates that no button is hold down. */ + /* + * it seems that 0xFE indicates that a button is still hold + * down, while 0xff indicates that no button is hold down. + */ if (b == 0xff) return 0; @@ -141,7 +143,7 @@ static int em28xx_get_key_pinnacle_usb_grey(struct i2c_client *i2c_dev, /* poll IR chip */ - if (3 != i2c_master_recv(i2c_dev, buf, 3)) + if (i2c_master_recv(i2c_dev, buf, 3) != 3) return -EIO; if (buf[0] != 0x00) @@ -158,18 +160,28 @@ static int em28xx_get_key_winfast_usbii_deluxe(struct i2c_client *i2c_dev, { unsigned char subaddr, keydetect, key; - struct i2c_msg msg[] = { { .addr = i2c_dev->addr, .flags = 0, .buf = &subaddr, .len = 1}, - { .addr = i2c_dev->addr, .flags = I2C_M_RD, .buf = &keydetect, .len = 1} }; + struct i2c_msg msg[] = { + { + .addr = i2c_dev->addr, + .flags = 0, + .buf = &subaddr, .len = 1 + }, { + .addr = i2c_dev->addr, + .flags = I2C_M_RD, + .buf = &keydetect, + .len = 1 + } + }; subaddr = 0x10; - if (2 != i2c_transfer(i2c_dev->adapter, msg, 2)) + if (i2c_transfer(i2c_dev->adapter, msg, 2) != 2) return -EIO; if (keydetect == 0x00) return 0; subaddr = 0x00; msg[1].buf = &key; - if (2 != i2c_transfer(i2c_dev->adapter, msg, 2)) + if (i2c_transfer(i2c_dev->adapter, msg, 2) != 2) return -EIO; if (key == 0x00) return 0; @@ -179,9 +191,9 @@ static int em28xx_get_key_winfast_usbii_deluxe(struct i2c_client *i2c_dev, return 1; } -/********************************************************** - Poll based get keycode functions - **********************************************************/ +/* + * Poll based get keycode functions + */ /* This is for the em2860/em2880 */ static int default_polling_getkey(struct em28xx_IR *ir, @@ -191,8 +203,9 @@ static int default_polling_getkey(struct em28xx_IR *ir, int rc; u8 msg[3] = { 0, 0, 0 }; - /* Read key toggle, brand, and key code - on registers 0x45, 0x46 and 0x47 + /* + * Read key toggle, brand, and key code + * on registers 0x45, 0x46 and 0x47 */ rc = dev->em28xx_read_reg_req_len(dev, 0, EM28XX_R45_IR, msg, sizeof(msg)); @@ -233,8 +246,9 @@ static int em2874_polling_getkey(struct em28xx_IR *ir, int rc; u8 msg[5] = { 0, 0, 0, 0, 0 }; - /* Read key toggle, brand, and key code - on registers 0x51-55 + /* + * Read key toggle, brand, and key code + * on registers 0x51-55 */ rc = dev->em28xx_read_reg_req_len(dev, 0, EM2874_R51_IR, msg, sizeof(msg)); @@ -290,9 +304,9 @@ static int em2874_polling_getkey(struct em28xx_IR *ir, return 0; } -/********************************************************** - Polling code for em28xx - **********************************************************/ +/* + * Polling code for em28xx + */ static int em28xx_i2c_ir_handle_key(struct em28xx_IR *ir) { @@ -343,11 +357,14 @@ static void em28xx_ir_handle_key(struct em28xx_IR *ir) if (ir->dev->chip_id == CHIP_ID_EM2874 || ir->dev->chip_id == CHIP_ID_EM2884) - /* The em2874 clears the readcount field every time the - register is read. The em2860/2880 datasheet says that it - is supposed to clear the readcount, but it doesn't. So with - the em2874, we are looking for a non-zero read count as - opposed to a readcount that is incrementing */ + /* + * The em2874 clears the readcount field every time the + * register is read. The em2860/2880 datasheet says + * that it is supposed to clear the readcount, but it + * doesn't. So with the em2874, we are looking for a + * non-zero read count as opposed to a readcount + * that is incrementing + */ ir->last_readcount = 0; else ir->last_readcount = poll_result.read_count; @@ -472,15 +489,18 @@ static int em28xx_ir_change_protocol(struct rc_dev *rc_dev, u64 *rc_proto) static int em28xx_probe_i2c_ir(struct em28xx *dev) { int i = 0; - /* Leadtek winfast tv USBII deluxe can find a non working IR-device */ - /* at address 0x18, so if that address is needed for another board in */ - /* the future, please put it after 0x1f. */ + /* + * Leadtek winfast tv USBII deluxe can find a non working IR-device + * at address 0x18, so if that address is needed for another board in + * the future, please put it after 0x1f. + */ const unsigned short addr_list[] = { 0x1f, 0x30, 0x47, I2C_CLIENT_END }; while (addr_list[i] != I2C_CLIENT_END) { - if (i2c_probe_func_quick_read(&dev->i2c_adap[dev->def_i2c_bus], addr_list[i]) == 1) + if (i2c_probe_func_quick_read(&dev->i2c_adap[dev->def_i2c_bus], + addr_list[i]) == 1) return addr_list[i]; i++; } @@ -488,9 +508,9 @@ static int em28xx_probe_i2c_ir(struct em28xx *dev) return -ENODEV; } -/********************************************************** - Handle buttons - **********************************************************/ +/* + * Handle buttons + */ static void em28xx_query_buttons(struct work_struct *work) { @@ -511,7 +531,9 @@ static void em28xx_query_buttons(struct work_struct *work) j = 0; while (dev->board.buttons[j].role >= 0 && dev->board.buttons[j].role < EM28XX_NUM_BUTTON_ROLES) { - const struct em28xx_button *button = &dev->board.buttons[j]; + const struct em28xx_button *button; + + button = &dev->board.buttons[j]; /* Check if button uses the current address */ if (button->reg_r != dev->button_polling_addresses[i]) { @@ -647,6 +669,7 @@ static void em28xx_init_buttons(struct em28xx *dev) /* Add read address to list of polling addresses */ if (addr_new) { unsigned int index = dev->num_button_polling_addresses; + dev->button_polling_addresses[index] = button->reg_r; dev->num_button_polling_addresses++; } @@ -675,7 +698,7 @@ static void em28xx_shutdown_buttons(struct em28xx *dev) /* Clear polling addresses list */ dev->num_button_polling_addresses = 0; /* Deregister input devices */ - if (dev->sbutton_input_dev != NULL) { + if (dev->sbutton_input_dev) { dev_info(&dev->intf->dev, "Deregistering snapshot button\n"); input_unregister_device(dev->sbutton_input_dev); dev->sbutton_input_dev = NULL; @@ -712,7 +735,7 @@ static int em28xx_ir_init(struct em28xx *dev) } } - if (dev->board.ir_codes == NULL && !dev->board.has_ir_i2c) { + if (!dev->board.ir_codes && !dev->board.has_ir_i2c) { /* No remote control support */ dev_warn(&dev->intf->dev, "Remote control support is not available for this card.\n"); @@ -762,7 +785,7 @@ static int em28xx_ir_init(struct em28xx *dev) goto error; } - ir->i2c_client = kzalloc(sizeof(struct i2c_client), GFP_KERNEL); + ir->i2c_client = kzalloc(sizeof(*ir->i2c_client), GFP_KERNEL); if (!ir->i2c_client) goto error; ir->i2c_client->adapter = &ir->dev->i2c_adap[dev->def_i2c_bus]; @@ -879,9 +902,11 @@ static int em28xx_ir_suspend(struct em28xx *dev) if (ir) cancel_delayed_work_sync(&ir->work); cancel_delayed_work_sync(&dev->buttons_query_work); - /* is canceling delayed work sufficient or does the rc event - kthread needs stopping? kthread is stopped in - ir_raw_event_unregister() */ + /* + * is canceling delayed work sufficient or does the rc event + * kthread needs stopping? kthread is stopped in + * ir_raw_event_unregister() + */ return 0; } @@ -893,8 +918,10 @@ static int em28xx_ir_resume(struct em28xx *dev) return 0; dev_info(&dev->intf->dev, "Resuming input extension\n"); - /* if suspend calls ir_raw_event_unregister(), the should call - ir_raw_event_register() */ + /* + * if suspend calls ir_raw_event_unregister(), the should call + * ir_raw_event_register() + */ if (ir) schedule_delayed_work(&ir->work, msecs_to_jiffies(ir->polling)); if (dev->num_button_polling_addresses) |