@@ -225,12 +225,14 @@ static const unsigned char saa7111_init[] = {
0x00, 0x00
};
-/* This table has one illegal value, and some values that are not
- correct according to the datasheet initialization table.
-
- If you need a table with legal/default values tell the driver in
- i2c_board_info.platform_data, and you will get the gm7113c_init
- table instead. */
+/*
+ * This table has one illegal value, and some values that are not
+ * correct according to the datasheet initialization table.
+ *
+ * If you need a table with legal/default values tell the driver in
+ * i2c_board_info.platform_data, and you will get the gm7113c_init
+ * table instead.
+ */
/* SAA7113 Init codes */
static const unsigned char saa7113_init[] = {
@@ -265,10 +267,12 @@ static const unsigned char saa7113_init[] = {
0x00, 0x00
};
-/* GM7113C is a clone of the SAA7113 chip
- This init table is copied out of the saa7113 datasheet.
- In R_08 we enable "Automatic Field Detection" [AUFD],
- this is disabled when saa711x_set_v4lstd is called. */
+/*
+ * GM7113C is a clone of the SAA7113 chip
+ * This init table is copied out of the saa7113 datasheet.
+ * In R_08 we enable "Automatic Field Detection" [AUFD],
+ * this is disabled when saa711x_set_v4lstd is called.
+ */
static const unsigned char gm7113c_init[] = {
R_01_INC_DELAY, 0x08,
R_02_INPUT_CNTL_1, 0xc0,
@@ -47,9 +47,11 @@
#define SAA7111_FMT_YUV411 0xc0
/* config flags */
-/* Register 0x85 should set bit 0 to 0 (it's 1 by default). This bit
+/*
+ * Register 0x85 should set bit 0 to 0 (it's 1 by default). This bit
* controls the IDQ signal polarity which is set to 'inverted' if the bit
- * it 1 and to 'default' if it is 0. */
+ * it 1 and to 'default' if it is 0.
+ */
#define SAA7115_IDQ_IS_DEFAULT (1 << 0)
/* s_crystal_freq values and flags */
@@ -84,11 +86,13 @@ enum saa7113_r10_ofts {
SAA7113_OFTS_VFLAG_BY_DATA_TYPE
};
-/* Register 0x12 "Output control" [Bit 0..3 Or Bit 4..7]:
+/*
+ * Register 0x12 "Output control" [Bit 0..3 Or Bit 4..7]:
* This is used to select what data is output on the RTS0 and RTS1 pins.
* RTS1 [Bit 4..7] Defaults to DOT_IN. (This value can not be set for RTS0)
* RTS0 [Bit 0..3] Defaults to VIPB in gm7113c_init as specified
- * in the datasheet, but is set to HREF_HS in the saa7113_init table. */
+ * in the datasheet, but is set to HREF_HS in the saa7113_init table.
+ */
enum saa7113_r12_rts {
SAA7113_RTS_DOT_IN = 0, /* OBS: Only for RTS1 (Default RTS1) */
SAA7113_RTS_VIPB, /* Default RTS0 For gm7113c_init */
@@ -108,24 +112,29 @@ enum saa7113_r12_rts {
SAA7113_RTS_FID
};
+/**
+ * struct saa7115_platform_data - Allow overriding default initialization
+ *
+ * @saa7113_force_gm7113c_init: Force the use of the gm7113c_init table
+ * instead of saa7113_init table
+ * (saa7113 only)
+ * @saa7113_r08_htc: [R_08 - Bit 3..4]
+ * @saa7113_r10_vrln: [R_10 - Bit 3]
+ * default: Disabled for gm7113c_init
+ * Enabled for saa7113c_init
+ * @saa7113_r10_ofts: [R_10 - Bit 6..7]
+ * @saa7113_r12_rts0: [R_12 - Bit 0..3]
+ * @saa7113_r12_rts1: [R_12 - Bit 4..7]
+ * @saa7113_r13_adlsb: [R_13 - Bit 7] - default: disabled
+ */
struct saa7115_platform_data {
- /* saa7113 only: Force the use of the gm7113c_init table,
- * instead of the old saa7113_init table. */
bool saa7113_force_gm7113c_init;
-
- /* SAA7113/GM7113C Specific configurations */
- enum saa7113_r08_htc *saa7113_r08_htc; /* [R_08 - Bit 3..4] */
-
- bool *saa7113_r10_vrln; /* [R_10 - Bit 3]
- Disabled for gm7113c_init
- Enabled for saa7113c_init */
- enum saa7113_r10_ofts *saa7113_r10_ofts; /* [R_10 - Bit 6..7] */
-
- enum saa7113_r12_rts *saa7113_r12_rts0; /* [R_12 - Bit 0..3] */
- enum saa7113_r12_rts *saa7113_r12_rts1; /* [R_12 - Bit 4..7] */
-
- bool *saa7113_r13_adlsb; /* [R_13 - Bit 7]
- Default disabled */
+ enum saa7113_r08_htc *saa7113_r08_htc;
+ bool *saa7113_r10_vrln;
+ enum saa7113_r10_ofts *saa7113_r10_ofts;
+ enum saa7113_r12_rts *saa7113_r12_rts0;
+ enum saa7113_r12_rts *saa7113_r12_rts1;
+ bool *saa7113_r13_adlsb;
};
#endif
changeset 2ccf12a did a crappy job when added multi-line comment lines, violating CodingStyle. Change the comments added there to fulfill CodingStyle, and document the platform_data using Documentation/kernel-doc-nano-HOWTO.txt. Cc: Jon Arne Jørgensen <jonarne@jonarne.no> Cc: Hans Verkuil <hans.verkuil@cisco.com> Signed-off-by: Mauro Carvalho Chehab <m.chehab@samsung.com> --- drivers/media/i2c/saa7115.c | 24 +++++++++++++--------- include/media/saa7115.h | 49 +++++++++++++++++++++++++++------------------ 2 files changed, 43 insertions(+), 30 deletions(-)