diff options
Diffstat (limited to 'sound/i2c/i2c.c')
| -rw-r--r-- | sound/i2c/i2c.c | 25 |
1 files changed, 17 insertions, 8 deletions
diff --git a/sound/i2c/i2c.c b/sound/i2c/i2c.c index b1e74e40cba..4677037f0c8 100644 --- a/sound/i2c/i2c.c +++ b/sound/i2c/i2c.c @@ -22,6 +22,7 @@ #include <linux/init.h> #include <linux/slab.h> +#include <linux/module.h> #include <linux/string.h> #include <linux/errno.h> #include <sound/core.h> @@ -49,7 +50,8 @@ static int snd_i2c_bus_free(struct snd_i2c_bus *bus) struct snd_i2c_bus *slave; struct snd_i2c_device *device; - snd_assert(bus != NULL, return -EINVAL); + if (snd_BUG_ON(!bus)) + return -EINVAL; while (!list_empty(&bus->devices)) { device = snd_i2c_device(bus->devices.next); snd_i2c_device_free(device); @@ -97,7 +99,8 @@ int snd_i2c_bus_create(struct snd_card *card, const char *name, bus->master = master; } strlcpy(bus->name, name, sizeof(bus->name)); - if ((err = snd_device_new(card, SNDRV_DEV_BUS, bus, &ops)) < 0) { + err = snd_device_new(card, SNDRV_DEV_BUS, bus, &ops); + if (err < 0) { snd_i2c_bus_free(bus); return err; } @@ -113,7 +116,8 @@ int snd_i2c_device_create(struct snd_i2c_bus *bus, const char *name, struct snd_i2c_device *device; *rdevice = NULL; - snd_assert(bus != NULL, return -EINVAL); + if (snd_BUG_ON(!bus)) + return -EINVAL; device = kzalloc(sizeof(*device), GFP_KERNEL); if (device == NULL) return -ENOMEM; @@ -244,7 +248,8 @@ static int snd_i2c_bit_sendbyte(struct snd_i2c_bus *bus, unsigned char data) for (i = 7; i >= 0; i--) snd_i2c_bit_send(bus, !!(data & (1 << i))); - if ((err = snd_i2c_bit_ack(bus)) < 0) + err = snd_i2c_bit_ack(bus); + if (err < 0) return err; return 0; } @@ -276,12 +281,14 @@ static int snd_i2c_bit_sendbytes(struct snd_i2c_device *device, if (device->flags & SND_I2C_DEVICE_ADDRTEN) return -EIO; /* not yet implemented */ snd_i2c_bit_start(bus); - if ((err = snd_i2c_bit_sendbyte(bus, device->addr << 1)) < 0) { + err = snd_i2c_bit_sendbyte(bus, device->addr << 1); + if (err < 0) { snd_i2c_bit_hw_stop(bus); return err; } while (count-- > 0) { - if ((err = snd_i2c_bit_sendbyte(bus, *bytes++)) < 0) { + err = snd_i2c_bit_sendbyte(bus, *bytes++); + if (err < 0) { snd_i2c_bit_hw_stop(bus); return err; } @@ -300,12 +307,14 @@ static int snd_i2c_bit_readbytes(struct snd_i2c_device *device, if (device->flags & SND_I2C_DEVICE_ADDRTEN) return -EIO; /* not yet implemented */ snd_i2c_bit_start(bus); - if ((err = snd_i2c_bit_sendbyte(bus, (device->addr << 1) | 1)) < 0) { + err = snd_i2c_bit_sendbyte(bus, (device->addr << 1) | 1); + if (err < 0) { snd_i2c_bit_hw_stop(bus); return err; } while (count-- > 0) { - if ((err = snd_i2c_bit_readbyte(bus, count == 0)) < 0) { + err = snd_i2c_bit_readbyte(bus, count == 0); + if (err < 0) { snd_i2c_bit_hw_stop(bus); return err; } |