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media: vidtv: simplify the crc writing logic

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Cleanup the table_section_crc32_write_into() function
by initializing struct psi_write_args only once and by
passing the args as a pointer.

Signed-off-by: Mauro Carvalho Chehab <mchehab+huawei@kernel.org>
This commit is contained in:
Mauro Carvalho Chehab 2020-11-24 08:54:58 +01:00
parent 5edbd330e3
commit 9e0067417b
1 changed files with 18 additions and 21 deletions
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39
drivers/media/test-drivers/vidtv/vidtv_psi.c
View file

@ -254,26 +254,23 @@ static u32 vidtv_psi_ts_psi_write_into(struct psi_write_args *args)
return nbytes;
}
static u32 table_section_crc32_write_into(struct crc32_write_args args)
static u32 table_section_crc32_write_into(struct crc32_write_args *args)
{
struct psi_write_args psi_args = {};
u32 nbytes = 0;
struct psi_write_args psi_args = {
.dest_buf = args->dest_buf,
.from = &args->crc,
.len = CRC_SIZE_IN_BYTES,
.dest_offset = args->dest_offset,
.pid = args->pid,
.new_psi_section = false,
.continuity_counter = args->continuity_counter,
.is_crc = true,
.dest_buf_sz = args->dest_buf_sz,
};
/* the CRC is the last entry in the section */
psi_args.dest_buf = args.dest_buf;
psi_args.from = &args.crc;
psi_args.len = CRC_SIZE_IN_BYTES;
psi_args.dest_offset = args.dest_offset;
psi_args.pid = args.pid;
psi_args.new_psi_section = false;
psi_args.continuity_counter = args.continuity_counter;
psi_args.is_crc = true;
psi_args.dest_buf_sz = args.dest_buf_sz;
nbytes += vidtv_psi_ts_psi_write_into(&psi_args);
return nbytes;
return vidtv_psi_ts_psi_write_into(&psi_args);
}
static void vidtv_psi_desc_chain(struct vidtv_psi_desc *head, struct vidtv_psi_desc *desc)
@ -1023,7 +1020,7 @@ u32 vidtv_psi_pat_write_into(struct vidtv_psi_pat_write_args args)
c_args.dest_buf_sz = args.buf_sz;
/* Write the CRC32 at the end */
nbytes += table_section_crc32_write_into(c_args);
nbytes += table_section_crc32_write_into(&c_args);
return nbytes;
}
@ -1258,7 +1255,7 @@ u32 vidtv_psi_pmt_write_into(struct vidtv_psi_pmt_write_args args)
c_args.dest_buf_sz = args.buf_sz;
/* Write the CRC32 at the end */
nbytes += table_section_crc32_write_into(c_args);
nbytes += table_section_crc32_write_into(&c_args);
return nbytes;
}
@ -1397,7 +1394,7 @@ u32 vidtv_psi_sdt_write_into(struct vidtv_psi_sdt_write_args args)
c_args.dest_buf_sz = args.buf_sz;
/* Write the CRC at the end */
nbytes += table_section_crc32_write_into(c_args);
nbytes += table_section_crc32_write_into(&c_args);
return nbytes;
}
@ -1754,7 +1751,7 @@ u32 vidtv_psi_nit_write_into(struct vidtv_psi_nit_write_args args)
c_args.dest_buf_sz = args.buf_sz;
/* Write the CRC32 at the end */
nbytes += table_section_crc32_write_into(c_args);
nbytes += table_section_crc32_write_into(&c_args);
return nbytes;
}
@ -1944,7 +1941,7 @@ u32 vidtv_psi_eit_write_into(struct vidtv_psi_eit_write_args args)
c_args.dest_buf_sz = args.buf_sz;
/* Write the CRC at the end */
nbytes += table_section_crc32_write_into(c_args);
nbytes += table_section_crc32_write_into(&c_args);
return nbytes;
}