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maXTouch: Fix I2C address, errors when debug enable, reorganize some data

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This commit is contained in:
Gregory Nutt
2014-07-06 08:03:34 -06:00
parent 6fab16e6f9
commit 0d4dcdd079
1 changed files with 6 additions and 5 deletions
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configs/sama5d4-ek/src/sam_maxtouch.c
+6 -5
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@@ -70,9 +70,10 @@
# define CONFIG_SAMA5D4EK_MXT_DEVMINOR 0 # define CONFIG_SAMA5D4EK_MXT_DEVMINOR 0
#endif #endif
/* The touchscreen communicates on TWI0 */ /* The touchscreen communicates on TWI0, I2C address 0x4c */
#define MXT_BUSNUM 0 #define MXT_TWI_BUS 0
#define MXT_I2C_ADDRESS 0x4c
/**************************************************************************** /****************************************************************************
* Private Types * Private Types
@@ -128,7 +129,7 @@ static struct sama5d4ek_tscinfo_s g_mxtinfo =
{ {
.lower = .lower =
{ {
.address = (0x4c >> 1), .address = MXT_I2C_ADDRESS,
.frequency = CONFIG_SAMA5D4EK_MXT_I2CFREQUENCY, .frequency = CONFIG_SAMA5D4EK_MXT_I2CFREQUENCY,
.attach = mxt_attach, .attach = mxt_attach,
@@ -259,10 +260,10 @@ int arch_tcinitialize(int minor)
/* Get an instance of the I2C interface for the touchscreen chip select */ /* Get an instance of the I2C interface for the touchscreen chip select */
i2c = up_i2cinitialize(MXT_BUSNUM); i2c = up_i2cinitialize(MXT_TWI_BUS);
if (!i2c) if (!i2c)
{ {
idbg("Failed to initialize I2C%d\n", MXT_BUSNUM); idbg("Failed to initialize I2C%d\n", MXT_TWI_BUS);
return -ENODEV; return -ENODEV;
} }