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This commit is contained in:
Přemysl Eric Janouch
2017-07-05 22:25:43 +02:00
parent 22e259a680
commit dce2bb72a2
8 changed files with 80 additions and 118 deletions
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9
ddc-ci.c
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@@ -125,8 +125,7 @@ static bool
ddc_send (int fd, unsigned command, void *args, size_t args_len,
struct error **e)
{
struct str buf;
str_init (&buf);
struct str buf = str_make ();
str_pack_u8 (&buf, DDC_ADDRESS_HOST | I2C_READ);
str_pack_u8 (&buf, DDC_LENGTH_XOR | (args_len + 1));
str_pack_u8 (&buf, command);
@@ -174,8 +173,7 @@ ddc_read (int fd, unsigned *command, void *out_buf, size_t *n_read,
if (ioctl (fd, I2C_RDWR, &data) < 0)
return error_set (e, "%s: %s", "ioctl", strerror (errno));
struct msg_unpacker unpacker;
msg_unpacker_init (&unpacker, buf, sizeof buf);
struct msg_unpacker unpacker = msg_unpacker_make (buf, sizeof buf);
uint8_t sender, length, cmd;
(void) msg_unpacker_u8 (&unpacker, &sender);
@@ -222,8 +220,7 @@ vcp_get_feature (int fd, uint8_t feature, struct vcp_feature_readout *out,
if (command != DDC_GET_VCP_FEATURE_REPLY || len != 7)
return error_set (e, "invalid response");
struct msg_unpacker unpacker;
msg_unpacker_init (&unpacker, buf, len);
struct msg_unpacker unpacker = msg_unpacker_make (buf, len);
uint8_t result; msg_unpacker_u8 (&unpacker, &result);
uint8_t vcp_opcode; msg_unpacker_u8 (&unpacker, &vcp_opcode);