diff options
Diffstat (limited to 'drivers')
| -rw-r--r-- | drivers/mxc/asrc/mxc_asrc.c | 14 |
1 files changed, 11 insertions, 3 deletions
diff --git a/drivers/mxc/asrc/mxc_asrc.c b/drivers/mxc/asrc/mxc_asrc.c index b428a619e41f..ea6573867a5c 100644 --- a/drivers/mxc/asrc/mxc_asrc.c +++ b/drivers/mxc/asrc/mxc_asrc.c @@ -1768,10 +1768,18 @@ static int asrc_write_proc_attr(struct file *file, const char *buffer, total = 10; else total = 5; - if ((na + nb + nc) != total) { - pr_info("Wrong ASRCNR settings\n"); - return -EFAULT; + + if ((na + nb + nc) > total) { + pr_err("Don't surpass %d for total.\n", total); + return -EINVAL; + } else if (na % 2 != 0 || nb % 2 != 0 || nc % 2 != 0) { + pr_err("Please set an even number for each pair.\n"); + return -EINVAL; + } else if (na < 0 || nb < 0 || nc < 0) { + pr_err("Please set an positive number for each pair.\n"); + return -EINVAL; } + reg = na | (nb << g_asrc->mxc_asrc_data->channel_bits) | (nc << (g_asrc->mxc_asrc_data->channel_bits * 2)); |