drivers/cbus/tahvo.h | 6
9 files changed, 548 insertions(+), 3 deletions(-)
-Index: linux-2.6.37/drivers/cbus/Kconfig
+Index: linux-2.6.37.1/drivers/cbus/Kconfig
===================================================================
---- linux-2.6.37.orig/drivers/cbus/Kconfig 2011-02-06 14:05:49.838388760 +0100
-+++ linux-2.6.37/drivers/cbus/Kconfig 2011-02-06 14:05:49.885395646 +0100
+--- linux-2.6.37.1.orig/drivers/cbus/Kconfig 2011-02-19 20:26:01.282338290 +0100
++++ linux-2.6.37.1/drivers/cbus/Kconfig 2011-02-19 20:26:01.526318768 +0100
@@ -94,4 +94,12 @@
to Retu/Vilma. Detection state and events are exposed through
sysfs.
+ If unsure, say N.
+
endmenu
-Index: linux-2.6.37/drivers/cbus/Makefile
+Index: linux-2.6.37.1/drivers/cbus/Makefile
===================================================================
---- linux-2.6.37.orig/drivers/cbus/Makefile 2011-02-06 14:05:49.829387442 +0100
-+++ linux-2.6.37/drivers/cbus/Makefile 2011-02-06 14:05:49.885395646 +0100
+--- linux-2.6.37.1.orig/drivers/cbus/Makefile 2011-02-19 20:26:01.250340850 +0100
++++ linux-2.6.37.1/drivers/cbus/Makefile 2011-02-19 20:26:01.526318768 +0100
@@ -12,3 +12,6 @@
obj-$(CONFIG_CBUS_TAHVO_USER) += tahvo-user.o
obj-$(CONFIG_CBUS_RETU_USER) += retu-user.o
+n810bm-y += n810bm_main.o
+n810bm-y += lipocharge.o
+obj-$(CONFIG_N810BM) += n810bm.o
-Index: linux-2.6.37/drivers/cbus/n810bm_main.c
+Index: linux-2.6.37.1/drivers/cbus/n810bm_main.c
===================================================================
--- /dev/null 1970-01-01 00:00:00.000000000 +0000
-+++ linux-2.6.37/drivers/cbus/n810bm_main.c 2011-02-09 19:05:18.435536304 +0100
-@@ -0,0 +1,1168 @@
++++ linux-2.6.37.1/drivers/cbus/n810bm_main.c 2011-02-20 15:11:55.764356685 +0100
+@@ -0,0 +1,1559 @@
+/*
+ * Nokia n810 battery management
+ *
+
+#define N810BM_PMM_BLOCK_FILENAME "n810-cal-bme-pmm.fw"
+#define N810BM_PMM_BLOCK_SIZE 0x600
++#define N810BM_PMM_GROUP_SIZE 0x200
++#define N810BM_PMM_ELEM_SIZE 0x10
+
+#define N810BM_CHECK_INTERVAL (HZ * 2)
+#define N810BM_MIN_VOLTAGE_THRES 3200 /* Absolute minimum voltage threshold */
+ */
+
+
++enum n810bm_pmm_adc_id {
++ N810BM_PMM_ADC_0x01 = 0x01,
++ N810BM_PMM_ADC_0x02 = 0x02,
++ N810BM_PMM_ADC_0x03 = 0x03,
++ N810BM_PMM_ADC_0x04 = 0x04,
++ N810BM_PMM_ADC_BATTEMP = 0x05,
++ N810BM_PMM_ADC_0x06 = 0x06,
++ N810BM_PMM_ADC_0x07 = 0x07,
++ N810BM_PMM_ADC_0x08 = 0x08,
++ N810BM_PMM_ADC_0x0E = 0x0E,
++ N810BM_PMM_ADC_0x13 = 0x13,
++ N810BM_PMM_ADC_0x14 = 0x14,
++ N810BM_PMM_ADC_0x15 = 0x15,
++ N810BM_PMM_ADC_0x16 = 0x16,
++ N810BM_PMM_ADC_0x17 = 0x17,
++ N810BM_PMM_ADC_0xFE = 0xFE,
++};
++
++struct n810bm_adc_calib {
++ enum n810bm_pmm_adc_id id;
++ u8 flags;
++ u8 adc_groupnr;
++ u32 field1;
++ u32 field2;
++ u16 field3;
++ u16 field4;
++};
++
++struct n810bm_calib {
++ struct n810bm_adc_calib adc[25];
++};
++
+enum n810bm_capacity {
+ N810BM_CAP_UNKNOWN = -1,
+ N810BM_CAP_NONE = 0,
+ int current_measure_enabled; /* Current measure enable refcount */
+
+ struct platform_device *pdev;
-+ const struct firmware *pmm_block; /* CAL PMM block */
++ struct n810bm_calib calib; /* Calibration data */
+
+ bool verbose_charge_log; /* Verbose charge logging */
+
+ return value;
+}
+
++static int pmm_record_get(struct n810bm *bm,
++ const struct firmware *pmm_block,
++ void *buffer, size_t length,
++ unsigned int group, unsigned int element, unsigned int offset)
++{
++ const u8 *pmm_area = pmm_block->data;
++ u8 active_group_mask;
++
++ if (pmm_block->size != N810BM_PMM_BLOCK_SIZE)
++ return -EINVAL;
++ if (group >= N810BM_PMM_BLOCK_SIZE / N810BM_PMM_GROUP_SIZE)
++ return -EINVAL;
++ if (element >= N810BM_PMM_GROUP_SIZE / N810BM_PMM_ELEM_SIZE)
++ return -EINVAL;
++ if (offset >= N810BM_PMM_ELEM_SIZE || length > N810BM_PMM_ELEM_SIZE ||
++ length + offset > N810BM_PMM_ELEM_SIZE)
++ return -EINVAL;
++
++ active_group_mask = pmm_area[16];
++ if (!(active_group_mask & (1 << group))) {
++ dev_dbg(&bm->pdev->dev, "pwm_record_get: Requested group %u, "
++ "but group is not active", group);
++ return -ENOENT;
++ }
++
++ memcpy(buffer,
++ pmm_area + group * N810BM_PMM_GROUP_SIZE
++ + element * N810BM_PMM_ELEM_SIZE
++ + offset,
++ length);
++
++ return 0;
++}
++
++/* PMM block group 1 element */
++struct group1_element {
++ u8 id;
++ u8 flags;
++ u8 adc_groupnr;
++ u8 _padding;
++ __le32 field1;
++ __le32 field2;
++} __packed;
++
++static void extract_group1_elem(struct n810bm *bm,
++ const struct firmware *pmm_block,
++ const u8 *pmm_adc_ids, size_t nr_pmm_adc_ids,
++ u32 field1_mask, u32 field2_mask)
++{
++ struct group1_element elem;
++ int err;
++ unsigned int i, element_nr;
++ struct n810bm_adc_calib *adc_calib;
++
++ for (i = 0; i < nr_pmm_adc_ids; i++) {
++ element_nr = pmm_adc_ids[i] + 3;
++
++ err = pmm_record_get(bm, pmm_block, &elem, sizeof(elem),
++ 1, element_nr, 0);
++ if (err)
++ continue;
++ WARN_ON(element_nr - 3 + 1 >= ARRAY_SIZE(bm->calib.adc));
++ adc_calib = &bm->calib.adc[element_nr - 3 + 1];
++
++ if (adc_calib->flags == elem.flags) {
++ WARN_ON(adc_calib->id != elem.id);
++ adc_calib->field1 = le32_to_cpu(elem.field1) & field1_mask;
++ adc_calib->field2 = le32_to_cpu(elem.field2) & field2_mask;
++ }
++ }
++}
++
++static int n810bm_parse_pmm_group1(struct n810bm *bm,
++ const struct firmware *pmm_block)
++{
++ struct group1_element elem;
++ int err;
++
++ static const u8 pmm_adc_ids_0[] = {
++ N810BM_PMM_ADC_0x01,
++ N810BM_PMM_ADC_0x02,
++ N810BM_PMM_ADC_0x13,
++ N810BM_PMM_ADC_0x0E,
++ };
++ static const u8 pmm_adc_ids_1[] = {
++ N810BM_PMM_ADC_0x04,
++ };
++ static const u8 pmm_adc_ids_2[] = {
++ N810BM_PMM_ADC_BATTEMP,
++ };
++
++ /* Parse element 2 */
++ err = pmm_record_get(bm, pmm_block, &elem, sizeof(elem),
++ 1, 2, 0);
++ if (err) {
++ dev_err(&bm->pdev->dev,
++ "PMM: Failed to get group 1 / element 2");
++ return err;
++ }
++ if (elem.id == N810BM_PMM_ADC_0xFE && elem.flags == 0x05) {
++ bm->calib.adc[0].id = elem.id;
++ bm->calib.adc[0].flags = elem.flags;
++ bm->calib.adc[0].field1 = le32_to_cpu(elem.field1);
++ bm->calib.adc[0].field2 = le32_to_cpu(elem.field2);
++ }
++
++ extract_group1_elem(bm, pmm_block,
++ pmm_adc_ids_0, ARRAY_SIZE(pmm_adc_ids_0),
++ 0xFFFFFFFF, 0xFFFFFFFF);
++ extract_group1_elem(bm, pmm_block,
++ pmm_adc_ids_1, ARRAY_SIZE(pmm_adc_ids_1),
++ 0xFFFFFFFF, 0);
++ extract_group1_elem(bm, pmm_block,
++ pmm_adc_ids_2, ARRAY_SIZE(pmm_adc_ids_2),
++ 0xFFFFFFFF, 0x0000FFFF);
++
++ return 0;
++}
++
++static int n810bm_parse_pmm_group2(struct n810bm *bm,
++ const struct firmware *pmm_block)
++{
++ dev_err(&bm->pdev->dev, "TODO: CAL BME PMM group 2 parser not implemented, yet");
++ return -EOPNOTSUPP;
++}
++
++static void n810bm_adc_calib_set_defaults(struct n810bm *bm)
++{
++ struct n810bm_adc_calib *adc_calib;
++ const struct n810bm_adc_calib *def;
++ unsigned int i, index;
++
++ static const struct n810bm_adc_calib defaults[] = {
++ /* ADC group-nr 0 */
++ {
++ .id = N810BM_PMM_ADC_0x06,
++ .flags = 0x00,
++ .adc_groupnr = 0,
++ }, {
++ .id = N810BM_PMM_ADC_0x07,
++ .flags = 0x00,
++ .adc_groupnr = 0,
++ }, {
++ .id = N810BM_PMM_ADC_0x15,
++ .flags = 0x00,
++ .adc_groupnr = 0,
++ }, {
++ .id = N810BM_PMM_ADC_0x08,
++ .flags = 0x00,
++ .adc_groupnr = 0,
++ }, {
++ .id = N810BM_PMM_ADC_0x16,
++ .flags = 0x00,
++ .adc_groupnr = 0,
++ }, {
++ .id = N810BM_PMM_ADC_0x17,
++ .flags = 0x00,
++ .adc_groupnr = 0,
++ }, {
++ .id = N810BM_PMM_ADC_0x03,
++ .flags = 0x00,
++ .adc_groupnr = 0,
++ },
++ /* ADC group-nr 1 */
++ {
++ .id = N810BM_PMM_ADC_0xFE,
++ .flags = 0x05,
++ .adc_groupnr = 1,
++ .field1 = (u32)-2,
++ .field2 = 13189,
++ }, {
++ .id = N810BM_PMM_ADC_0x01,
++ .flags = 0x01,
++ .adc_groupnr = 1,
++ .field1 = 2527,
++ .field2 = 21373,
++ }, {
++ .id = N810BM_PMM_ADC_0x02,
++ .flags = 0x01,
++ .adc_groupnr = 1,
++ .field1 = 0,
++ .field2 = 129848,
++ }, {
++ .id = N810BM_PMM_ADC_0x13,
++ .flags = 0x01,
++ .adc_groupnr = 1,
++ .field1 = 0,
++ .field2 = 20000,
++ }, {
++ .id = N810BM_PMM_ADC_0x0E,
++ .flags = 0x06,
++ .adc_groupnr = 1,
++ .field1 = 0,
++ .field2 = 9660,
++ },
++ /* ADC group-nr 2 */
++ {
++ .id = N810BM_PMM_ADC_0x04,
++ .flags = 0x02,
++ .adc_groupnr = 2,
++ .field1 = 1169,
++ .field2 = 0,
++ },
++ /* ADC group-nr 3 */
++ {
++ .id = N810BM_PMM_ADC_BATTEMP,
++ .flags = 0x03,
++ .adc_groupnr = 3,
++ .field1 = 265423000,
++ .field2 = 298,
++ },
++ /* ADC group-nr 4 */
++ {
++ .id = N810BM_PMM_ADC_0x14,
++ .flags = 0x04,
++ .adc_groupnr = 4,
++ .field1 = 19533778,
++ .field2 = 308019670,
++ .field3 = 4700,
++ .field4 = 2500,
++ },
++ };
++
++ /* Clear the array */
++ memset(&bm->calib.adc, 0, sizeof(bm->calib.adc));
++ for (i = 0; i < ARRAY_SIZE(bm->calib.adc); i++)
++ bm->calib.adc[i].flags = 0xFF;
++
++ /* Copy the defaults */
++ for (i = 0; i < ARRAY_SIZE(defaults); i++) {
++ def = &defaults[i];
++
++ index = 0;
++ if (def->id != N810BM_PMM_ADC_0xFE)
++ index = def->id + 1;
++ WARN_ON(index >= ARRAY_SIZE(bm->calib.adc));
++
++ adc_calib = &bm->calib.adc[index];
++ *adc_calib = *def;
++ }
++}
++
++static const struct n810bm_adc_calib * n810bm_get_adc_calib(struct n810bm *bm,
++ enum n810bm_pmm_adc_id id)
++{
++ unsigned int index = 0;
++
++ if (id != N810BM_PMM_ADC_0xFE)
++ index = (unsigned int)id + 1;
++ WARN_ON(index >= ARRAY_SIZE(bm->calib.adc));
++
++ return &bm->calib.adc[index];
++}
++
++static int n810bm_parse_pmm_block(struct n810bm *bm,
++ const struct firmware *pmm_block)
++{
++ u8 byte;
++ int err;
++ unsigned int i, count;
++ struct n810bm_adc_calib *adc_calib;
++
++ /* Initialize to defaults */
++ n810bm_adc_calib_set_defaults(bm);
++
++ /* Parse the PMM data */
++ err = pmm_record_get(bm, pmm_block, &byte, sizeof(byte),
++ 1, 0, 0); /* group 1 / element 0 */
++ err |= (byte != 0x01);
++ err |= pmm_record_get(bm, pmm_block, &byte, sizeof(byte),
++ 1, 1, 0); /* group 1 / element 1 */
++ err |= (byte != 0x01);
++ if (err)
++ err = n810bm_parse_pmm_group2(bm, pmm_block);
++ else
++ err = n810bm_parse_pmm_group1(bm, pmm_block);
++ if (err)
++ return err;
++
++ /* Sanity checks */
++ for (i = 0, count = 0; i < ARRAY_SIZE(bm->calib.adc); i++) {
++ adc_calib = &bm->calib.adc[i];
++ if (adc_calib->flags == 0xFF)
++ continue;
++ switch (adc_calib->id) {
++ case N810BM_PMM_ADC_0x01:
++ if (adc_calib->field1 < 2400 ||
++ adc_calib->field1 > 2700)
++ goto value_check_fail;
++ if (adc_calib->field2 < 20000 ||
++ adc_calib->field2 > 23000)
++ goto value_check_fail;
++ count++;
++ break;
++ case N810BM_PMM_ADC_0x04:
++ if (adc_calib->field1 < 1100 ||
++ adc_calib->field1 > 1300)
++ goto value_check_fail;
++ count++;
++ break;
++ case N810BM_PMM_ADC_0x0E:
++ if (adc_calib->field2 < 7000 ||
++ adc_calib->field2 > 12000)
++ goto value_check_fail;
++ count++;
++ break;
++ case N810BM_PMM_ADC_0xFE:
++ if ((s32)adc_calib->field1 > 14 ||
++ (s32)adc_calib->field1 < -14)
++ goto value_check_fail;
++ if (adc_calib->field2 < 13000 ||
++ adc_calib->field2 > 13350)
++ goto value_check_fail;
++ count++;
++ break;
++ case N810BM_PMM_ADC_0x02:
++ case N810BM_PMM_ADC_BATTEMP:
++ case N810BM_PMM_ADC_0x13:
++ count++;
++ break;
++ case N810BM_PMM_ADC_0x03:
++ case N810BM_PMM_ADC_0x07:
++ case N810BM_PMM_ADC_0x08:
++ case N810BM_PMM_ADC_0x06:
++ case N810BM_PMM_ADC_0x14:
++ case N810BM_PMM_ADC_0x15:
++ case N810BM_PMM_ADC_0x16:
++ case N810BM_PMM_ADC_0x17:
++ break;
++ }
++ dev_dbg(&bm->pdev->dev,
++ "ADC 0x%02X calib: 0x%02X 0x%02X 0x%08X 0x%08X 0x%04X 0x%04X",
++ adc_calib->id, adc_calib->flags, adc_calib->adc_groupnr,
++ adc_calib->field1, adc_calib->field2,
++ adc_calib->field3, adc_calib->field4);
++ }
++ if (count != 7) {
++ dev_err(&bm->pdev->dev, "PMM sanity check: Did not find "
++ "all required values (count=%u)", count);
++ goto check_fail;
++ }
++
++ return 0;
++
++value_check_fail:
++ dev_err(&bm->pdev->dev, "PMM image sanity check failed "
++ "(id=%02X, field1=%08X, field2=%08X)",
++ adc_calib->id, adc_calib->field1, adc_calib->field2);
++check_fail:
++ return -EILSEQ;
++}
++
+/* Set the current measure timer that triggers on Tahvo IRQ 7
+ * An interval of zero disables the timer. */
+static void n810bm_set_current_measure_timer(struct n810bm *bm,
+ n810bm_cancel_and_flush_work(bm);
+
+ n810bm_hw_exit(bm);
-+ release_firmware(bm->pmm_block);
+
+ bm->initialized = 0;
+}
+ if (!fw) {
+ dev_err(&bm->pdev->dev,
+ "CAL PMM block image file not found");
-+ goto error;
++ goto err_release;
+ }
+ if (fw->size != N810BM_PMM_BLOCK_SIZE ||
+ memcmp(fw->data, "BME-PMM-BLOCK01", 15) != 0) {
+ dev_err(&bm->pdev->dev,
+ "CAL PMM block image file has an invalid format");
-+ goto error;
++ goto err_release;
+ }
+
-+ bm->pmm_block = fw;
++ err = n810bm_parse_pmm_block(bm, fw);
++ if (err)
++ goto err_release;
++ release_firmware(fw);
++
+ err = n810bm_device_init(bm);
+ if (err) {
+ dev_err(&bm->pdev->dev,
+ }
+
+ return;
-+error:
++err_release:
+ release_firmware(fw);
++error:
++ return;
+}
+
+static int __devinit n810bm_probe(struct platform_device *pdev)
+MODULE_FIRMWARE(N810BM_PMM_BLOCK_FILENAME);
+MODULE_LICENSE("GPL");
+MODULE_AUTHOR("Michael Buesch");
-Index: linux-2.6.37/drivers/cbus/retu.c
+Index: linux-2.6.37.1/drivers/cbus/retu.c
===================================================================
---- linux-2.6.37.orig/drivers/cbus/retu.c 2011-02-06 14:05:49.829387442 +0100
-+++ linux-2.6.37/drivers/cbus/retu.c 2011-02-08 17:33:18.981369017 +0100
+--- linux-2.6.37.1.orig/drivers/cbus/retu.c 2011-02-19 20:26:01.251340770 +0100
++++ linux-2.6.37.1/drivers/cbus/retu.c 2011-02-19 20:26:01.529318528 +0100
@@ -85,10 +85,10 @@
*
* This function writes a value to the specified register
subsys_initcall(retu_init);
module_exit(retu_exit);
-Index: linux-2.6.37/drivers/cbus/retu.h
+Index: linux-2.6.37.1/drivers/cbus/retu.h
===================================================================
---- linux-2.6.37.orig/drivers/cbus/retu.h 2011-02-06 14:05:49.829387442 +0100
-+++ linux-2.6.37/drivers/cbus/retu.h 2011-02-06 14:05:49.886395793 +0100
+--- linux-2.6.37.1.orig/drivers/cbus/retu.h 2011-02-19 20:26:01.252340690 +0100
++++ linux-2.6.37.1/drivers/cbus/retu.h 2011-02-19 20:26:01.530318448 +0100
@@ -40,6 +40,8 @@
#define RETU_REG_CTRL_CLR 0x0f /* Regulator clear register */
#define RETU_REG_CTRL_SET 0x10 /* Regulator set register */
void retu_set_clear_reg_bits(int reg, u16 set, u16 clear);
int retu_read_adc(int channel);
int retu_request_irq(int id, void *irq_handler, unsigned long arg, char *name);
-Index: linux-2.6.37/arch/arm/mach-omap2/board-n8x0.c
+Index: linux-2.6.37.1/arch/arm/mach-omap2/board-n8x0.c
===================================================================
---- linux-2.6.37.orig/arch/arm/mach-omap2/board-n8x0.c 2011-02-06 14:05:49.815385390 +0100
-+++ linux-2.6.37/arch/arm/mach-omap2/board-n8x0.c 2011-02-06 14:05:49.886395793 +0100
+--- linux-2.6.37.1.orig/arch/arm/mach-omap2/board-n8x0.c 2011-02-19 20:26:01.201344770 +0100
++++ linux-2.6.37.1/arch/arm/mach-omap2/board-n8x0.c 2011-02-19 20:26:01.531318368 +0100
@@ -907,6 +907,17 @@
ARRAY_SIZE(n8x0_gpio_switches));
}
}
MACHINE_START(NOKIA_N800, "Nokia N800")
-Index: linux-2.6.37/drivers/cbus/lipocharge.c
+Index: linux-2.6.37.1/drivers/cbus/lipocharge.c
===================================================================
--- /dev/null 1970-01-01 00:00:00.000000000 +0000
-+++ linux-2.6.37/drivers/cbus/lipocharge.c 2011-02-09 12:42:58.243147563 +0100
++++ linux-2.6.37.1/drivers/cbus/lipocharge.c 2011-02-19 20:26:01.531318368 +0100
@@ -0,0 +1,183 @@
+/*
+ * Generic LIPO battery charger
+
+ return 0;
+}
-Index: linux-2.6.37/drivers/cbus/lipocharge.h
+Index: linux-2.6.37.1/drivers/cbus/lipocharge.h
===================================================================
--- /dev/null 1970-01-01 00:00:00.000000000 +0000
-+++ linux-2.6.37/drivers/cbus/lipocharge.h 2011-02-07 20:07:29.669098631 +0100
++++ linux-2.6.37.1/drivers/cbus/lipocharge.h 2011-02-19 20:26:01.531318368 +0100
@@ -0,0 +1,60 @@
+#ifndef LIPOCHARGE_H_
+#define LIPOCHARGE_H_
+}
+
+#endif /* LIPOCHARGE_H_ */
-Index: linux-2.6.37/drivers/cbus/tahvo.h
+Index: linux-2.6.37.1/drivers/cbus/tahvo.h
===================================================================
---- linux-2.6.37.orig/drivers/cbus/tahvo.h 2011-02-06 14:05:49.830387588 +0100
-+++ linux-2.6.37/drivers/cbus/tahvo.h 2011-02-06 16:22:25.902331536 +0100
+--- linux-2.6.37.1.orig/drivers/cbus/tahvo.h 2011-02-19 20:26:01.256340370 +0100
++++ linux-2.6.37.1/drivers/cbus/tahvo.h 2011-02-19 20:26:01.532318288 +0100
@@ -30,17 +30,28 @@
#define TAHVO_REG_IDR 0x01 /* Interrupt ID */
#define TAHVO_REG_IDSR 0x02 /* Interrupt status */
void tahvo_set_clear_reg_bits(int reg, u16 set, u16 clear);
int tahvo_request_irq(int id, void *irq_handler, unsigned long arg, char *name);
void tahvo_free_irq(int id);
-Index: linux-2.6.37/drivers/cbus/tahvo.c
+Index: linux-2.6.37.1/drivers/cbus/tahvo.c
===================================================================
---- linux-2.6.37.orig/drivers/cbus/tahvo.c 2011-02-06 14:05:49.830387588 +0100
-+++ linux-2.6.37/drivers/cbus/tahvo.c 2011-02-06 14:05:49.886395793 +0100
+--- linux-2.6.37.1.orig/drivers/cbus/tahvo.c 2011-02-19 20:26:01.256340370 +0100
++++ linux-2.6.37.1/drivers/cbus/tahvo.c 2011-02-19 20:26:01.532318288 +0100
@@ -85,10 +85,10 @@
*
* This function writes a value to the specified register
}
/**
-Index: linux-2.6.37/drivers/cbus/cbus.c
+Index: linux-2.6.37.1/drivers/cbus/cbus.c
===================================================================
---- linux-2.6.37.orig/drivers/cbus/cbus.c 2011-02-08 17:34:34.988926130 +0100
-+++ linux-2.6.37/drivers/cbus/cbus.c 2011-02-08 17:38:16.980407594 +0100
+--- linux-2.6.37.1.orig/drivers/cbus/cbus.c 2011-02-19 20:26:01.249340930 +0100
++++ linux-2.6.37.1/drivers/cbus/cbus.c 2011-02-19 20:26:01.533318208 +0100
@@ -31,6 +31,7 @@
#include <linux/gpio.h>
#include <linux/platform_device.h>
MODULE_DESCRIPTION("CBUS serial protocol");
MODULE_LICENSE("GPL");
MODULE_AUTHOR("Juha Yrjölä");
-Index: linux-2.6.37/drivers/cbus/cbus.h
+Index: linux-2.6.37.1/drivers/cbus/cbus.h
===================================================================
---- linux-2.6.37.orig/drivers/cbus/cbus.h 2011-02-08 17:36:40.172074049 +0100
-+++ linux-2.6.37/drivers/cbus/cbus.h 2011-02-08 17:41:32.680647478 +0100
+--- linux-2.6.37.1.orig/drivers/cbus/cbus.h 2011-02-19 20:26:01.250340850 +0100
++++ linux-2.6.37.1/drivers/cbus/cbus.h 2011-02-19 20:26:01.533318208 +0100
@@ -33,4 +33,6 @@
extern int cbus_read_reg(struct cbus_host *host, int dev, int reg);
extern int cbus_write_reg(struct cbus_host *host, int dev, int reg, u16 val);