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media: vidtv: cleanup PSI table header function 

- Pass struct header_write_args as a pointer, instead of
  passing as a var;

- Initialize the psi_args struct only once.

Signed-off-by: Mauro Carvalho Chehab <mchehab+huawei@kernel.org>
This commit is contained in:
Mauro Carvalho Chehab 2020-11-24 09:33:44 +01:00
parent 974ea17692
commit c570fb9ffc
1 changed files with 19 additions and 23 deletions
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42
drivers/media/test-drivers/vidtv/vidtv_psi.c
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@ -754,26 +754,22 @@ static u32 vidtv_psi_desc_write_into(struct desc_write_args *args)
}
static u32
vidtv_psi_table_header_write_into(struct header_write_args args)
vidtv_psi_table_header_write_into(struct header_write_args *args)
{
struct psi_write_args psi_args = {};
/* the number of bytes written by this function */
u32 nbytes = 0;
struct psi_write_args psi_args = {
.dest_buf = args->dest_buf,
.from = args->h,
.len = sizeof(struct vidtv_psi_table_header),
.dest_offset = args->dest_offset,
.pid = args->pid,
.new_psi_section = true,
.continuity_counter = args->continuity_counter,
.is_crc = false,
.dest_buf_sz = args->dest_buf_sz,
.crc = args->crc,
};
psi_args.dest_buf = args.dest_buf;
psi_args.from = args.h;
psi_args.len = sizeof(struct vidtv_psi_table_header);
psi_args.dest_offset = args.dest_offset;
psi_args.pid = args.pid;
psi_args.new_psi_section = true;
psi_args.continuity_counter = args.continuity_counter;
psi_args.is_crc = false;
psi_args.dest_buf_sz = args.dest_buf_sz;
psi_args.crc = args.crc;
nbytes += vidtv_psi_ts_psi_write_into(&psi_args);
return nbytes;
return vidtv_psi_ts_psi_write_into(&psi_args);
}
void
@ -985,7 +981,7 @@ u32 vidtv_psi_pat_write_into(struct vidtv_psi_pat_write_args args)
h_args.dest_buf_sz = args.buf_sz;
h_args.crc = &crc;
nbytes += vidtv_psi_table_header_write_into(h_args);
nbytes += vidtv_psi_table_header_write_into(&h_args);
/* note that the field 'u16 programs' is not really part of the PAT */
@ -1182,7 +1178,7 @@ u32 vidtv_psi_pmt_write_into(struct vidtv_psi_pmt_write_args args)
h_args.dest_buf_sz = args.buf_sz;
h_args.crc = &crc;
nbytes += vidtv_psi_table_header_write_into(h_args);
nbytes += vidtv_psi_table_header_write_into(&h_args);
/* write the two bitfields */
psi_args.dest_buf = args.buf;
@ -1334,7 +1330,7 @@ u32 vidtv_psi_sdt_write_into(struct vidtv_psi_sdt_write_args args)
h_args.dest_buf_sz = args.buf_sz;
h_args.crc = &crc;
nbytes += vidtv_psi_table_header_write_into(h_args);
nbytes += vidtv_psi_table_header_write_into(&h_args);
psi_args.dest_buf = args.buf;
psi_args.from = &args.sdt->network_id;
@ -1670,7 +1666,7 @@ u32 vidtv_psi_nit_write_into(struct vidtv_psi_nit_write_args args)
h_args.dest_buf_sz = args.buf_sz;
h_args.crc = &crc;
nbytes += vidtv_psi_table_header_write_into(h_args);
nbytes += vidtv_psi_table_header_write_into(&h_args);
/* write the bitfield */
psi_args.dest_buf = args.buf;
@ -1880,7 +1876,7 @@ u32 vidtv_psi_eit_write_into(struct vidtv_psi_eit_write_args args)
h_args.dest_buf_sz = args.buf_sz;
h_args.crc = &crc;
nbytes += vidtv_psi_table_header_write_into(h_args);
nbytes += vidtv_psi_table_header_write_into(&h_args);
psi_args.dest_buf = args.buf;
psi_args.from = &args.eit->transport_id;