From: Naveen Jain Date: Wed, 9 Jun 2010 08:45:33 +0000 (-0500) Subject: Staging: ti-st: add version info to sysfs X-Git-Url: https://git.stricted.de/?a=commitdiff_plain;h=e2a53282859fab0e428a243cbe9ca8d727d9d840;p=GitHub%2FLineageOS%2Fandroid_kernel_samsung_universal7580.git Staging: ti-st: add version info to sysfs Add version information to be available under the sysfs group for kim. Signed-off-by: Naveen Jain Signed-off-by: Greg Kroah-Hartman --- diff --git a/drivers/staging/ti-st/st_kim.c b/drivers/staging/ti-st/st_kim.c index cfba5f88abe..d015ad3c460 100644 --- a/drivers/staging/ti-st/st_kim.c +++ b/drivers/staging/ti-st/st_kim.c @@ -56,12 +56,13 @@ static struct platform_driver kim_platform_driver = { }; static ssize_t show_pid(struct device *dev, struct device_attribute - *attr, char *buf); + *attr, char *buf); static ssize_t store_pid(struct device *dev, struct device_attribute - *devattr, char *buf, size_t count); + *devattr, char *buf, size_t count); static ssize_t show_list(struct device *dev, struct device_attribute - *attr, char *buf); - + *attr, char *buf); +static ssize_t show_version(struct device *dev, struct device_attribute + *attr, char *buf); /* structures specific for sysfs entries */ static struct kobj_attribute pid_attr = __ATTR(pid, 0644, (void *)show_pid, (void *)store_pid); @@ -69,10 +70,14 @@ __ATTR(pid, 0644, (void *)show_pid, (void *)store_pid); static struct kobj_attribute list_protocols = __ATTR(protocols, 0444, (void *)show_list, NULL); +static struct kobj_attribute chip_version = +__ATTR(version, 0444, (void *)show_version, NULL); + static struct attribute *uim_attrs[] = { &pid_attr.attr, /* add more debug sysfs entries */ &list_protocols.attr, + &chip_version.attr, NULL, }; @@ -251,7 +256,8 @@ static long read_local_version(char *bts_scr_name) } version = - MAKEWORD(kim_gdata->resp_buffer[13], kim_gdata->resp_buffer[14]); + MAKEWORD(kim_gdata->resp_buffer[13], + kim_gdata->resp_buffer[14]); chip = (version & 0x7C00) >> 10; min_ver = (version & 0x007F); maj_ver = (version & 0x0380) >> 7; @@ -260,6 +266,13 @@ static long read_local_version(char *bts_scr_name) maj_ver |= 0x0008; sprintf(bts_scr_name, "TIInit_%d.%d.%d.bts", chip, maj_ver, min_ver); + + /* to be accessed later via sysfs entry */ + kim_gdata->version.full = version; + kim_gdata->version.chip = chip; + kim_gdata->version.maj_ver = maj_ver; + kim_gdata->version.min_ver = min_ver; + pr_info("%s", bts_scr_name); return ST_SUCCESS; } @@ -516,6 +529,16 @@ long st_kim_stop(void) /**********************************************************************/ /* functions called from subsystems */ +/* called when sysfs entry is read from */ + +static ssize_t show_version(struct device *dev, struct device_attribute + *attr, char *buf) +{ + sprintf(buf, "%04X %d.%d.%d", kim_gdata->version.full, + kim_gdata->version.chip, kim_gdata->version.maj_ver, + kim_gdata->version.min_ver); + return strlen(buf); +} /* called when sysfs entry is written to */ static ssize_t store_pid(struct device *dev, struct device_attribute @@ -656,6 +679,12 @@ static int kim_probe(struct platform_device *pdev) } pr_info("rfkill entry created for %ld", gpios[proto]); } + + if (sysfs_create_group(&pdev->dev.kobj, &uim_attr_grp)) { + pr_err(" sysfs entry creation failed"); + return -1; + } + pr_info(" sysfs entries created "); return ST_SUCCESS; } @@ -676,6 +705,7 @@ static int kim_remove(struct platform_device *pdev) kim_gdata->rfkill[proto] = NULL; } pr_info("kim: GPIO Freed"); + sysfs_remove_group(&pdev->dev.kobj, &uim_attr_grp); kim_gdata->kim_pdev = NULL; st_core_exit(kim_gdata->core_data); return ST_SUCCESS; diff --git a/drivers/staging/ti-st/st_kim.h b/drivers/staging/ti-st/st_kim.h index 49c42aedb45..a5ea8d7c680 100644 --- a/drivers/staging/ti-st/st_kim.h +++ b/drivers/staging/ti-st/st_kim.h @@ -48,6 +48,16 @@ * devices are created for the 3 gpios * that ST has requested */ + +/* chip version storage + */ +struct chip_version { + unsigned short full; + unsigned short chip; + unsigned short min_ver; + unsigned short maj_ver; +}; + /* * header file for ST provided by KIM */ @@ -66,6 +76,7 @@ struct kim_data_s { struct rfkill *rfkill[ST_MAX]; enum proto_type rf_protos[ST_MAX]; struct st_data_s *core_data; + struct chip_version version; }; long st_kim_start(void);