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[media] drxk: Convert an #ifdef logic as a new config parameter 

Instead of using #ifdef I2C_LONG_ADR for some devices, convert
it into a parameter. Terratec H5 logs from the original driver
seems to need this mode.

Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
This commit is contained in:
Mauro Carvalho Chehab 2011-07-09 13:06:12 -03:00
parent 0fc55e81d3
commit e076c92ed6
3 changed files with 25 additions and 15 deletions
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1
drivers/media/dvb/frontends/drxk.h
View File

@ -6,6 +6,7 @@
struct drxk_config {
u8 adr;
u32 single_master : 1;
};
extern struct dvb_frontend *drxk_attach(const struct drxk_config *config,

34
drivers/media/dvb/frontends/drxk_hard.c
View File

@ -375,9 +375,10 @@ static int i2c_read(struct i2c_adapter *adap,
static int read16_flags(struct drxk_state *state, u32 reg, u16 *data, u8 flags)
{
u8 adr = state->demod_address, mm1[4], mm2[2], len;
#ifdef I2C_LONG_ADR
flags |= 0xC0;
#endif
if (state->single_master)
flags |= 0xC0;
if (DRXDAP_FASI_LONG_FORMAT(reg) || (flags != 0)) {
mm1[0] = (((reg << 1) & 0xFF) | 0x01);
mm1[1] = ((reg >> 16) & 0xFF);
@ -406,9 +407,10 @@ static int read16(struct drxk_state *state, u32 reg, u16 *data)
static int read32_flags(struct drxk_state *state, u32 reg, u32 *data, u8 flags)
{
u8 adr = state->demod_address, mm1[4], mm2[4], len;
#ifdef I2C_LONG_ADR
flags |= 0xC0;
#endif
if (state->single_master)
flags |= 0xC0;
if (DRXDAP_FASI_LONG_FORMAT(reg) || (flags != 0)) {
mm1[0] = (((reg << 1) & 0xFF) | 0x01);
mm1[1] = ((reg >> 16) & 0xFF);
@ -438,9 +440,9 @@ static int read32(struct drxk_state *state, u32 reg, u32 *data)
static int write16_flags(struct drxk_state *state, u32 reg, u16 data, u8 flags)
{
u8 adr = state->demod_address, mm[6], len;
#ifdef I2C_LONG_ADR
flags |= 0xC0;
#endif
if (state->single_master)
flags |= 0xC0;
if (DRXDAP_FASI_LONG_FORMAT(reg) || (flags != 0)) {
mm[0] = (((reg << 1) & 0xFF) | 0x01);
mm[1] = ((reg >> 16) & 0xFF);
@ -469,9 +471,9 @@ static int write16(struct drxk_state *state, u32 reg, u16 data)
static int write32_flags(struct drxk_state *state, u32 reg, u32 data, u8 flags)
{
u8 adr = state->demod_address, mm[8], len;
#ifdef I2C_LONG_ADR
flags |= 0xC0;
#endif
if (state->single_master)
flags |= 0xC0;
if (DRXDAP_FASI_LONG_FORMAT(reg) || (flags != 0)) {
mm[0] = (((reg << 1) & 0xFF) | 0x01);
mm[1] = ((reg >> 16) & 0xFF);
@ -503,9 +505,10 @@ static int write_block(struct drxk_state *state, u32 Address,
{
int status = 0, BlkSize = BlockSize;
u8 Flags = 0;
#ifdef I2C_LONG_ADR
Flags |= 0xC0;
#endif
if (state->single_master)
Flags |= 0xC0;
while (BlkSize > 0) {
int Chunk = BlkSize > state->m_ChunkSize ?
state->m_ChunkSize : BlkSize;
@ -6355,6 +6358,7 @@ struct dvb_frontend *drxk_attach(const struct drxk_config *config,
state->i2c = i2c;
state->demod_address = adr;
state->single_master = config->single_master;
mutex_init(&state->mutex);
mutex_init(&state->ctlock);

5
drivers/media/dvb/frontends/drxk_hard.h
View File

@ -326,6 +326,11 @@ struct drxk_state {
u16 m_AntennaSwitchDVBTDVBC;
enum DRXPowerMode m_currentPowerMode;
/* Configurable parameters at the driver */
u32 single_master : 1; /* Use single master i2c mode */
};
#define NEVER_LOCK 0